Corning (GLW)

Company ID: 157 | CIK: 0000024741
10-Q view:
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Segments are charted by their disclosed metrics (revenue, segment profit, etc.). Each line is a single segment. Reconciliation/corporate items are excluded. Major customers are shown as a percentage of revenue. Operational KPIs are grouped by metric concept; sub-metrics appear as separate lines.

Geographic Segments

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Business Unit / Product Segments

Major Customers (% of Revenue)

Operational KPIs

Customer deposits (backlog)

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Capital expenditures (capacity)

Asbestos claims (claims_count)

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Beneficial shareholders (customers)

Customer deposits (deposits)

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Culture survey response rate (engagement)

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Employees — women (headcount)

Customer deposits received (orders_received)

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Access providers with construction activity (other)

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Accounts receivable accelerated (other)

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Active hazardous waste sites (other)

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Affiliate glass volume growth (other)

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Annual cost savings (other)

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Annual cost savings from restructuring (other)

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Annualized cost savings (other)

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Asbestos cases (other)

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Asbestos cases pending (other)

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Asbestos claims (other)

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Asbestos claims filed (other)

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Asbestos liability (other)

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Asbestos litigation (other)

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Asbestos litigation liability (other)

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Asbestos settlement cash payments (other)

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Asbestos settlement liability (other)

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Asbestos settlement shares (other)

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Automotive sales growth (other)

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Beneficial shareholders (other)

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Breast implant lawsuits (other)

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Breast implant lawsuits against Dow Corning (other)

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Breast implant lawsuits naming Corning (other)

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Breast-implant lawsuits (other)

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Capital expenditure forecast (other)

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Capital expenditures (other)

Capital spending (other)

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Capital spending commitment (other)

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Capital spending forecast (other)

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Capital spending plan (other)

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Cash and cash equivalents (other)

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Cash and investments (other)

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Cash and short-term investments (other)

Cash held in United States (other)

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Cash held outside U.S. (other)

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Cash held outside United States (other)

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Cash held outside the U.S. (other)

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Cash, cash equivalents and short-term investments (other)

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Commercial paper outstanding (other)

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Committed capital expenditures (other)

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Common shareholders (other)

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Common shares outstanding (other)

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Common shares repurchased (other)

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Common stock outstanding (other)

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Common stock record holders (other)

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Common stockholders (other)

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Constant-won management rate (other)

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Constant-yen management rate (other)

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Contingent guarantees (other)

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Contingent liabilities (other)

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Contract liabilities (other)

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Core diluted EPS (other)

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Core diluted earnings per share (other)

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Core earnings (other)

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Core net income (other)

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Core net sales (other)

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Countries of operation (other)

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Countries with health care facilities (other)

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Countries with manufacturing (other)

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Countries with operations (other)

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Credit memoranda issued (other)

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Current assets to current liabilities (other)

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Current ratio (other)

Customer concentration (other)

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Customer deposit balance (other)

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Customer deposit credit memoranda (other)

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Customer deposit liability (other)

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Customer deposits (other)

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Customer deposits applied to receivables (other)

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Customer deposits contracted (other)

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Customer deposits received (other)

Customer deposits recognized (other)

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Days payable outstanding (other)

Days sales outstanding (other)

Debt to capital ratio (other)

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Debt to total capital (other)

Deferred revenue (other)

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Diesel product sales decline (other)

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Diesel product sales growth (other)

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Diesel product volume growth (other)

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Different products (other)

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Diluted EPS (other)

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Diluted weighted average shares outstanding (other)

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Display glass price change (other)

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Display glass volume change (other)

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Display glass volume growth (other)

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Display price change (other)

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Display segment sales growth (other)

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Display technologies price decline (other)

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Display technologies volume growth (other)

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Display volume change (other)

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Display volume growth (other)

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Dividend per share (other)

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Dividends declared per share (other)

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Dow Corning lawsuits stayed (other)

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Dow Corning net sales (other)

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Effective tax rate (other)

Employee survey response rate (other)

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Employees separated (other)

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Environmental accrual (other)

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Environmental cleanup accrual (other)

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Environmental cleanup reserve (other)

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Environmental liability accrual (other)

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Environmental liability reserve (other)

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Environmental remediation accrual (other)

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Environmental reserve (other)

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Equity earnings (other)

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Equity earnings from affiliates (other)

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FX hedge notional (other)

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Fiber and cable volume change (other)

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Fiber and cable volume growth (other)

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Fiber price change (other)

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Fiber price decline (other)

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Fiber prices (other)

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Fiber pricing (other)

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Fiber volume growth (other)

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Fiber-to-the-premises sales growth (other)

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Foreign currency hedge notional (other)

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Gen 5 and higher glass volume share (other)

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Gen 5+ glass share (other)

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Gen 5+ glass share of volume (other)

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Gen 5+ share of LCD glass volume (other)

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Generation 5+ share of LCD glass volume (other)

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Glass substrate volume growth (other)

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Gorilla Glass sales decline (other)

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Gross margin (other)

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Gross margin percentage (other)

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Gross notional hedging value (other)

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Gross notional value of FX derivatives (other)

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Gross notional value of hedging contracts (other)

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Hazardous waste sites (other)

Hedge notional value (other)

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Interest coverage ratio (other)

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International net sales share (other)

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International sales share (other)

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International share of net sales (other)

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Inventory turns (other)

LCD glass market demand (other)

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LCD glass market growth (other)

LCD glass market volume growth (other)

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LCD glass price change (other)

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LCD glass price decline (other)

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LCD glass retail market (other)

LCD glass retail market growth (other)

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LCD glass retail market size (other)

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LCD glass volume change (other)

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LCD glass volume growth (other)

Large-generation substrate share (other)

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Large-size glass share of volume (other)

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Large-size glass substrate mix (other)

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Large-size glass substrate sales mix (other)

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Large-size glass substrate share (other)

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Large-size glass substrates mix (other)

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Large-size substrate mix (other)

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Large-size substrate share (other)

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Large-size substrate share of sales volume (other)

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Large-size substrate share of volume (other)

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Leverage ratio (other)

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Long-term debt ratio (other)

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Long-term debt to total capital (other)

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Manufacturing countries (other)

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Manufacturing facilities to close (other)

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Manufacturing plants (other)

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Net cash provided by operating activities (other)

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Net cash used in financing activities (other)

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Net cash used in investing activities (other)

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Net sales by product (other)

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Non-PCC asbestos cases (other)

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Non-PCC asbestos claimants (other)

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Non-PCC asbestos claims (other)

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Non-vested performance-based RSUs (other)

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Non-vested restricted stock and RSUs (other)

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Non-vested restricted stock units (other)

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Number of Reportable Segments (other)

Number of common stockholders (other)

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Open asbestos claims (other)

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Operating cash flow (other)

Optical fiber and cable volume growth (other)

Optical fiber market volume growth (other)

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Optical fiber price decline (other)

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Optical fiber pricing change (other)

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Optical fiber volume growth (other)

Options exercisable (other)

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Options outstanding (other)

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Patent Applications (other)

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Patent applications (other)

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Patent applications in process (other)

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Patent applications pending (other)

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Patents Granted (other)

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Patents granted (other)

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Patents owned (other)

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Pending breast implant cases (other)

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Pending breast implant cases against Corning (other)

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Pending implant cases (other)

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Pension plan funded status (other)

Pollution control capex (other)

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Pollution control capital expenditures (other)

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Positions eliminated (other)

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Precious metals carrying value (other)

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Precious metals depletion expense (other)

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Precious metals fair value excess (other)

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Precious metals recorded value (other)

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Premium fiber mix (other)

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Premium fiber mix forecast (other)

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Premium fiber share of demand (other)

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Premium fiber volume growth (other)

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Production and maintenance roles (other)

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Products produced (other)

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Purchase obligations (other)

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R&D spending forecast (other)

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RD&E expense (other)

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Ratio of earnings to fixed charges (other)

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Record holders (other)

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Record holders of common stock (other)

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Registered common stock holders (other)

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Registered holders of common stock (other)

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Remaining repurchase authorization (other)

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Remaining share repurchase authorization (other)

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Repurchase authorization remaining (other)

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Research and development expense (other)

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Research and development spending forecast (other)

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Research, development and engineering expense (other)

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Restructuring cash payments (other)

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Restructuring costs paid (other)

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Restructuring employees affected (other)

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Restructuring payments (other)

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Restructuring reserve (other)

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Restructuring reserve balance (other)

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Restructuring savings (other)

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Revenue recognized from contract liability (other)

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Revolving credit facility availability (other)

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Revolving credit facility borrowings (other)

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Revolving credit facility capacity (other)

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Samsung Corning Precision net sales (other)

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Samsung Corning Precision price change (other)

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Samsung Corning Precision volume change (other)

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Samsung Corning Precision volume growth (other)

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Share repurchase authorization remaining (other)

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Share repurchases (other)

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Shareholders (other)

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Shares outstanding (other)

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Shares repurchased (other)

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Shelf registration capacity remaining (other)

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Stock options exercisable (other)

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Stock options outstanding (other)

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Sub-prime mortgage exposure (other)

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Superfund hazardous waste sites (other)

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Superfund waste sites (other)

Tort cases dismissed (other)

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Tort lawsuits (other)

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Tort lawsuits filed (other)

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Tort lawsuits naming Corning (other)

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Tort lawsuits naming registrant (other)

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Tort lawsuits pending (other)

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Total assets (other)

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Total debt (other)

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Total debt to capital (other)

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Total debt to capital ratio (other)

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Total debt to total capital (other)

Translated earnings contract notional (other)

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Translated earnings contracts notional (other)

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Translated earnings hedge notional (other)

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Treasury shares held (other)

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U.S. Patent applications in process (other)

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U.S. Patents owned (other)

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U.S. patents owned (other)

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Unexpired Patents (other)

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Unexpired patents (other)

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Unexpired patents owned (other)

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Union representation (other)

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Union-represented employees (other)

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Unionized employee share (other)

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Unionized share of U.S. employees (other)

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Unissued shares available for grants (other)

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Unused revolving credit facility (other)

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Variable rate debt percentage (other)

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Variable rate debt share (other)

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Volume growth (other)

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Weighted average common shares outstanding (other)

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Weighted average discount rate (other)

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Weighted average remaining lease term (other)

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Weighted average shares outstanding (other)

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Weighted-average diluted shares (other)

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Workforce gender mix (other)

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Working capital (other)

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Working capital excluding cash (other)

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Workplace culture survey response rate (other)

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Worldwide LCD glass demand (other)

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Worldwide LCD glass market demand (other)

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Y2K compliance cost (other)

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Y2K key systems (other)

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Y2K third parties assessed (other)

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Y2K third-party response rate (other)

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Year 2000 compliance cost (other)

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Year 2000 costs incurred (other)

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Year 2000 incremental costs (other)

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Year 2000 incremental costs spent (other)

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Yen hedge stress impact (other)

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Yen hedging notional (other)

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us-gaap_NumberOfReportableSegments (other)

Worldwide LCD glass demand (production_volume)

Manufacturing plants (properties)

Salaried talent retention (retention)

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Deferred revenue (rpo)

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Facility floor space (square_footage)

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Total Recordable Incident Rate (trir)

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Fiber volume growth (units_shipped)

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Inventory turns (utilization_rate)

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Human capital disclosures. Workforce totals and demographics are point-in-time. Flow metrics use the year-to-date period for 10-Q and full year for 10-K. Workforce actions (RIFs, restructurings, acquisition-related changes) are listed in the table at the bottom.

Workforce Totals

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Demographics

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Workforce Breakdowns

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HCM Metrics — Point-in-Time

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HCM Metrics — Flow (Annual / YTD)

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Workforce Actions

Period EndTypeStatusAffected% WorkforceAnnouncedExpected CompletionGeographySegment / FunctionChargeSourceNote
2025-12-31restructuringin_progressGlobalAll segmentsUSD 49 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		FY2025 charges comprise $26M severance and $23M capacity optimization; $25M severance accrual at year-end expected to be paid within twelve months; employees affected not disclosed
2025-12-31acquisition_additioncompleted2025-04-302025-04-30United StatesHemlock and Emerging Growth Businesses (solar modules)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		April 2025 acquisition of 100% of a U.S. solar module manufacturing facility for $278M total consideration; headcount added not disclosed; acquired business contributed $258M net sales in 2025
2025-12-31restructuringcompleted2025-12-312025-12-31GlobalVariousUSD 49 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Total restructuring, impairment and other charges of $49 million recorded in 2025, including $26 million in severance and $23 million in capacity optimization. Employee count not explicitly disclosed.
2025-09-30acquisition_additioncompleted2025-04United StatesHemlock and Emerging Growth Businessesbusiness_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		April 2025 acquisition of 100% of a U.S. solar module manufacturing facility ($278M purchase price); no headcount added disclosed.
2025-09-30restructuringin_progressUSD 16 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Q3 2025 restructuring, impairment and other charges and credits of $16M ($10M YTD 2025); no employee counts, severance detail, or completion dates disclosed for 2025 activity.
2025-09-30restructuringin_progressUSD 16 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Q3 2025 charges include severance and capacity realignment; employee count not disclosed.
2025-09-30restructuringin_progressUSD 10 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		YTD 2025 charges include severance and capacity realignment; employee count not disclosed.
2025-06-30restructuringin_progressSegment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member]USD 1,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2025-03-31restructuringin_progressSegment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member]USD -7,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2024-12-31restructuringin_progressGlobalAll segmentsUSD 45 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		FY2024 severance charges of $45M (includes $6M curtailment and special termination benefits), recorded across all segments. Severance accrual of $34M at 2024-12-31 expected to be paid substantially within twelve months. Employees affected not disclosed.
2024-12-31plant_closurecompletedNot disclosedDisplay TechnologiesUSD 128 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		FY2024 capacity optimization charges of $128M in non-cash asset write-offs, primarily associated with the closure of a Display Technologies manufacturing plant. Headcount reduction associated with the closure not quantified.
2024-12-31restructuringin_progressGlobalMultiple segmentsUSD 234 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		FY2024 other charges and credits of $234M, including $131M non-cash cumulative FX translation losses on liquidation/disposition of foreign entities, $49M write-down of nonrecoverable upfront payments to a customer in insolvency (charged to net sales), plus disposal costs and inventory write-offs on exit of certain facilities and product lines. No employee counts disclosed.
2024-12-31restructuringcompleted2024-12-312024-12-31GlobalVariousUSD 45 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Includes $6 million in curtailment and special termination benefit charges. Total restructuring charges were $407 million, but employee count is not disclosed.
2024-12-31plant_closurecompleted2024-12-312024-12-31GlobalDisplay TechnologiesUSD 128 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Non-cash asset write-offs primarily associated with the closure of a display technologies manufacturing plant. Employee count not disclosed.
2024-09-30plant_closurein_progressDisplay TechnologiesUSD 43 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Q3 2024 severance charge of $43M (9M 2024: $46M) primarily for closure of a display technologies manufacturing plant; employee count not disclosed. Footnote notes ~$50M of non-cash cumulative FX translation losses expected if the entity is substantially liquidated.
2024-09-30plant_closurein_progressOptical CommunicationsUSD 62 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Substantial liquidation of an optical communications manufacturing plant; $62M non-cash cumulative FX translation losses recognized in other (loss) income, net for Q3 and 9M 2024. Employee count not disclosed.
2024-09-30restructuringin_progressUSD 43 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Severance charges incurred for the three months ended September 30, 2024. Employee count not disclosed.
2024-09-30restructuringin_progressUSD 16 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Capacity realignment charges incurred for the three months ended September 30, 2024. Employee count not disclosed.
2024-09-30restructuringin_progressUSD 75 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Other charges and credits incurred for the three months ended September 30, 2024. Employee count not disclosed.
2024-09-30restructuringin_progressUSD 46 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Severance charges incurred for the nine months ended September 30, 2024. Employee count not disclosed.
2024-09-30restructuringin_progressUSD 133 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Capacity realignment charges incurred for the nine months ended September 30, 2024. Employee count not disclosed.
2024-09-30restructuringin_progressUSD 84 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Other charges and credits incurred for the nine months ended September 30, 2024. Employee count not disclosed.
2024-06-30plant_closurein_progressDisplay manufacturingUSD 138 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Q2 2024 charge of $138M ($129M YTD) for restructuring, impairment and other charges and credits, primarily asset write-offs tied to closing a display manufacturing plant; $141M of Q2 charges sat in cost of sales. No employee count, location, or completion date disclosed; if the entity is substantially liquidated, about $72M of non-cash FX translation losses are expected.
2024-06-30restructuringin_progressDisplay TechnologiesUSD 138 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Charges primarily relate to asset write-offs associated with the closure of a display manufacturing plant in Q2 2024. Employee count not disclosed.
2024-03-31restructuringin_progressUSD 41 (millions)cash_flow_statement
f5-10q / Qwen3.6-27B-Q8_0		Severance payments of $41 million recorded in operating activities for the three months ended March 31, 2024. No employee count disclosed.
2023-12-31restructuringin_progress2024-12-31GlobalAll segments; capacity optimization primarily Optical Communications, Specialty Materials and Life SciencesUSD 471 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		FY2023 program: $187M severance (across all segments, incl. $20M curtailment/special termination benefits), $176M capacity optimization (asset write-offs from exits of facilities and product lines), $108M other charges. Severance accrual of $118M at 2023-12-31 expected to be substantially completed within the next twelve months. No employees-affected headcount disclosed.
2023-12-31restructuringcompleted2023-01-012024-12-31GlobalAll segmentsUSD 187 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Severance charges recorded across all segments. Accrual of $118 million expected to be substantially completed within twelve months.
2023-12-31restructuringcompleted2023-01-012023-12-31GlobalOptical Communications, Specialty Materials, Life SciencesUSD 176 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Capacity optimization charges including asset write-offs associated with exit of certain facilities and product lines.
2023-09-30restructuringin_progressUSD 86 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Severance charges of $13M in Q3 2023 and $86M YTD 2023 (vs. $8M YTD 2022); $51M of YTD amount recorded in cost of sales. No employee counts, announcement dates, or completion timing disclosed. MD&A attributes 2023 activity primarily to severance charges and asset write-offs.
2023-09-30restructuringin_progressUSD 13 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Severance charges recorded for the three months ended September 30, 2023. Employee count not disclosed.
2023-09-30restructuringin_progressUSD 86 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Severance charges recorded for the nine months ended September 30, 2023. Employee count not disclosed.
2023-06-30restructuringin_progressUSD 73 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Severance charges of $73M for six months ended June 30, 2023 ($68M in Q2) reported as unallocated items; no employee counts, announcement dates, or completion timing disclosed. Related restructuring/impairment and other charges totaled $198M YTD ($132M in Q2) per non-GAAP reconciliation.
2023-06-30restructuringin_progressUSD 68 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Severance charges of $68 million recorded for the three months ended June 30, 2023, related to restructuring activities. Employee count not disclosed.
2023-06-30restructuringin_progressUSD 73 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Severance charges of $73 million recorded for the six months ended June 30, 2023, related to restructuring activities. Employee count not disclosed.
2022-12-31restructuringin_progressGlobalSeverance across all segments; capacity optimization primarily in Display Technologies, Specialty Materials and an emerging growth businessUSD 414 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		FY2022 charges comprise severance $70M, capacity optimization $219M (accelerated depreciation and asset write-offs tied to exits of certain facilities and product lines), and other charges and credits $125M. Severance accrual was not material at 2022-12-31 and is expected to settle within twelve months. No employee-affected count or announcement date disclosed.
2022-12-31restructuringcompleted2022-01-012022-12-31GlobalAll segmentsUSD 70 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Severance charges recorded across all segments. Employee count not disclosed.
2022-12-31restructuringcompleted2022-01-012022-12-31GlobalDisplay Technologies, Specialty Materials, Hemlock and Emerging Growth BusinessesUSD 219 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Capacity optimization charges including accelerated depreciation and asset write-offs. Employee count not disclosed.
2022-12-31restructuringin_progressCost of Sales [Member] / Employee Severance [Member]USD 25,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2022-12-31restructuringin_progressSelling, General and Administrative Expenses [Member] / Employee Severance [Member]USD 32,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2022-12-31restructuringin_progressResearch, Development And Engineering Expenses [Member] / Employee Severance [Member]USD 13,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2022-12-31restructuringin_progressEmployee Severance [Member]USD 70,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2022-12-31restructuringin_progressCost of Sales [Member] / Other Restructuring [Member]USD 97,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2022-12-31restructuringin_progressSelling, General and Administrative Expenses [Member] / Other Restructuring [Member]USD 15,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2022-12-31restructuringin_progressResearch, Development And Engineering Expenses [Member] / Other Restructuring [Member]USD 3,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2022-12-31restructuringin_progressOther Nonoperating Income (Expense) [Member] / Other Restructuring [Member]USD 10,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2022-12-31restructuringin_progressOther Restructuring [Member]USD 125,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2022-09-30restructuringin_progressEmerging Growth BusinessesUSD 138 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Charges primarily related to capacity optimization of an emerging growth business. Employee count not disclosed.
2022-09-30restructuringin_progressEmerging Growth BusinessesUSD 217 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		YTD charges primarily related to capacity optimization of an emerging growth business. Employee count not disclosed.
2021-12-31restructuringcompleted2021-12-31GlobalMultiple segments and corporateUSD 110 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		FY2021 total comprises a $13M net severance reversal, $46M capacity realignment and $77M other charges and credits; no employees-affected count disclosed for 2021. Filer states severance liability payments were substantially completed by December 31, 2021. The related corporate-wide workforce reduction program was initiated in Q2 2020 (prior year).
2021-12-31acquisition_additioncompleted2020-09-092020-09-09United StatesAll Other (Hemlock Semiconductor Group)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Change of control in HSG completed September 9, 2020 (prior fiscal year); HSG results consolidated in 'All Other' for a full year in 2021. No headcount added through the transaction is disclosed.
2021-12-31restructuringcompleted2020-04-012021-12-31GlobalCorporate-wideUSD -13 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Corporate-wide workforce reduction program implemented in Q2 2020. Severance reversal of $13 million recorded in 2021. Payments substantially completed as of Dec 31, 2021.
2021-12-31restructuringin_progressCost of Sales [Member] / Employee Severance [Member]USD -6,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2021-12-31restructuringin_progressSelling, General and Administrative Expenses [Member] / Employee Severance [Member]USD -5,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2021-12-31restructuringin_progressResearch, Development And Engineering Expenses [Member] / Employee Severance [Member]USD -2,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2021-12-31restructuringin_progressEmployee Severance [Member]USD -13,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2021-12-31restructuringin_progressCost of Sales [Member] / Capacity Realignment [Member]USD 36,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2021-12-31restructuringin_progressSelling, General and Administrative Expenses [Member] / Capacity Realignment [Member]USD 7,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2021-12-31restructuringin_progressResearch, Development And Engineering Expenses [Member] / Capacity Realignment [Member]USD 3,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2021-12-31restructuringin_progressCapacity Realignment [Member]USD 46,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2021-12-31restructuringin_progressCost of Sales [Member] / Other Restructuring [Member]USD 50,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2021-12-31restructuringin_progressSelling, General and Administrative Expenses [Member] / Other Restructuring [Member]USD -5,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2021-12-31restructuringin_progressOther Nonoperating Income (Expense) [Member] / Other Restructuring [Member]USD 32,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2021-12-31restructuringin_progressOther Restructuring [Member]USD 77,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2021-09-30restructuringcompleted2022-09-30GlobalCorporate and various segmentsrestructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		No material restructuring activity in first nine months of 2021. Unpaid severance liabilities of $17 million remain, expected to be paid in less than twelve months.
2021-06-30restructuringin_progress2022-06-30GlobalCorporate and OperationsUSD 25 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Unpaid severance liabilities of $25 million expected to be substantially completed within the next twelve months. No new material restructuring activities in H1 2021.
2021-03-31restructuringcompletedAsiaDisplay TechnologiesUSD 77 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Severance charges primarily related to a reduction in force program implemented and substantially paid during the quarter to facilitate realignment of capacity. Employee count not disclosed.
2021-03-31restructuringin_progressUSD 0 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2020-12-31restructuringin_progressGlobal, primarily Asia regionsDisplay Technologies, Optical Communications, and corporate functionsUSD 148 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Corporate-wide workforce reduction program implemented in Q2 2020; severance charges of $148M for full-year 2020. Unpaid severance liabilities of $45M at 2020-12-31 expected substantially completed within the following twelve months. Headcount affected not disclosed; announcement given only as second quarter of 2020.
2020-12-31plant_closurein_progressNot specifiedDisplay Technologies and Specialty MaterialsUSD 304 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		2020 capacity realignment charges covering accelerated depreciation and asset disposals tied to the exit of certain facilities and other exit activities; no employee counts or specific facility names disclosed.
2020-12-31acquisition_additioncompleted2020-09-092020-09-09United States (Michigan)All Other (polycrystalline silicon)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Corning obtained controlling interest in Hemlock Semiconductor Group on 2020-09-09 via redemption of DuPont's interest and began consolidating HSG; added $194M of revenue in 2020. HSG headcount not disclosed; HSG excluded from management's ICFR assessment (about 4% of total assets, 2% of net sales).
2020-12-31restructuringcompleted2020-04-012021-12-31GlobalCorporate, Display Technologies, Optical CommunicationsUSD 148 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Corporate-wide workforce reduction program implemented in Q2 2020. Severance charges of $148 million recorded. Unpaid liabilities of $45 million expected to be substantially completed within the next twelve months. Employee count not explicitly disclosed.
2020-12-31restructuringin_progressUSD 827,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2020-12-31restructuringin_progress Gross MarginUSD 443,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2020-12-31restructuringin_progress Selling General And Administrative ExpensesUSD 116,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2020-12-31restructuringin_progress Research Development And Engineering ExpensesUSD 247,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2020-12-31restructuringin_progress Other Operating Income ExpenseUSD 21,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2020-09-30restructuringin_progress20202021-09-30Global; severance primarily tied to Asia Display Technologies realignment, Optical Communications optimization, and corporate cost containmentDisplay Technologies, Optical Communications, corporateUSD 141 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Corporate-wide workforce reduction program implemented in Q2 2020. Severance charges were $6M in Q3 2020 and $141M for the nine months ended 2020-09-30. Unpaid severance liability of $60M at 2020-09-30 expected to be substantially paid within twelve months; number of employees affected not disclosed.
2020-09-30acquisition_additioncompleted2020-09-092020-09-09Hemlock, Michigan, United StatesAll Other (Hemlock Semiconductor Group)business_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Corning obtained 100% of HS LLC and 80.5% of HSO LLC via DuPont redemption and began consolidating HSG on 2020-09-09; headcount added not disclosed.
2020-09-30restructuringin_progress2020-04-012021-09-30Corporate-wide; Asia regions (Display Technologies); Optical CommunicationsCorporate, Display Technologies, Optical CommunicationsUSD 6 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Corporate-wide workforce reduction program implemented in Q2 2020. Severance charges of $6M recorded in Q3 2020. Unpaid severance liability of $60M expected to be substantially completed within the next twelve months.
2020-09-30restructuringin_progress2020-01-01Display Technologies, Specialty MaterialsManufacturingUSD 96 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Capacity realignment including accelerated depreciation and asset disposals associated with exit of certain facilities. Charge of $96M recorded in Q3 2020.
2020-09-30restructuringin_progressUSD 171,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2020-09-30restructuringin_progress Gross MarginUSD 124,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2020-09-30restructuringin_progress Selling General And Administrative ExpensesUSD 21,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2020-09-30restructuringin_progress Research Development And Engineering ExpensesUSD 18,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2020-09-30restructuringin_progress Other Operating Income ExpenseUSD 8,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2020-06-30restructuringin_progress2020-06-302021-06-30Global (corporate-wide; severance primarily Asia regions for Display Technologies, plus Optical Communications and corporate)Display Technologies; Optical Communications; corporateUSD 135 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Corporate-wide workforce reduction implemented in Q2 2020; number of employees affected not disclosed. Severance charges were $58M in Q2 and $135M for the six months; $97M paid YTD, unpaid severance liability $82M at 2020-06-30, expected substantially complete within twelve months. Announcement date approximated to quarter end as no specific date given.
2020-06-30plant_closurein_progress2020-06-30Not specifiedDisplay Technologies; Specialty MaterialsUSD 149 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Capacity realignment for the six months ended 2020-06-30: accelerated depreciation and asset disposals tied to exit of certain facilities and other exit activities; associated headcount not quantified. Q2 portion was $60M.
2020-06-30restructuringcompleted2020-06-302020-06-30Not specifiedAll Other (research and development programs)USD 195 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Pre-tax long-lived asset impairment in Q2 2020 from rescoping and reduced investment in R&D programs; substantially all carrying value of the asset group. Workforce impact, if any, not quantified.
2020-06-30restructuringin_progress2020-04-012021-06-30GlobalCorporate-wide; Display Technologies (Asia); Optical CommunicationsUSD 58 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Corporate-wide workforce reduction program implemented in Q2 2020. Severance charges of $58M for Q2 and $135M YTD. Unpaid liabilities of $82M expected to be substantially completed within the next twelve months.
2020-06-30restructuringin_progress2020-04-01GlobalDisplay Technologies; Specialty MaterialsUSD 60 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Capacity realignment including accelerated depreciation and asset disposals associated with exit of certain facilities. Charge of $60M for Q2 and $149M YTD.
2020-06-30restructuringin_progressUSD 337,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2020-06-30restructuringin_progress Gross MarginUSD 98,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2020-06-30restructuringin_progress Selling General And Administrative ExpensesUSD 22,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2020-06-30restructuringin_progress Research Development And Engineering ExpensesUSD 212,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2020-06-30restructuringin_progress Other Operating Income ExpenseUSD 5,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2020-03-31restructuringin_progressAsiaDisplay TechnologiesUSD 77 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Reduction in force program to realign Display Technologies capacity in Asia; implemented and substantially paid during Q1 2020. Employee count not disclosed. Related charges: $59M accelerated depreciation, $60M loss on asset disposals, $29M other charges.
2020-03-31plant_closurein_progressAsiaDisplay TechnologiesUSD 59 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Accelerated depreciation tied to ongoing exit of certain Display Technologies facilities in Asia; workforce impact not quantified.
2020-03-31restructuringcompletedAsiaDisplay TechnologiesUSD 77 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Severance charges primarily related to a reduction in force program implemented to facilitate realignment of capacity. The program was substantially paid during the quarter.
2018-12-31acquisition_additioncompleted2017-12-012018-12-03United States, GermanyOptical CommunicationsUSD 841 (millions)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquisition of substantially all of 3M's Communication Markets Division in two cash transactions totaling $841 million ($801M assets June 1, 2018; $40M German services company December 3, 2018). Headcount added through the acquisition is not disclosed.
2017-12-31acquisition_additioncompletedUnited States; internationalOptical Communications; Life Sciences; All Otherbusiness_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Three small acquisitions completed in 2017 (one in Q1 reported in All Other, two in Q3 reported in Optical Communications and Life Sciences); headcount added not disclosed
2017-12-31acquisition_additionannounced2017-12GlobalOptical CommunicationsUSD 900 (millions)Item_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Agreement to purchase substantially all of 3M's Communication Markets Division for approximately $900 million in cash; expected to close during 2018 subject to closing conditions; headcount not disclosed
2017-12-31restructuringcompleted2017-12-312017-12-31GlobalAll segmentsUSD 0 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Company did not record significant restructuring, impairment and other charges or reversals in 2017. Cash expenditures for restructuring activities were $4 million.
2017-03-31restructuringcompletedGlobalAll segmentsUSD 80 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Charges for employee related costs, asset disposals, and exit costs associated with minor restructuring activities. Cash payments substantially completed in 2016.
2016-12-31restructuringcompleted2016-12-31GlobalAll reportable segmentsUSD 77 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		FY2016 charges comprised $14M employee-related costs, $62M asset disposals and $1M exit costs, with ~$12M cash expenditures; cash payments for employee-related and exit activity substantially completed in 2016. Number of employees affected not disclosed.
2016-12-31acquisition_additioncompletedOptical Communicationsbusiness_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Two acquisitions completed in the Optical Communications segment during 2016 with total purchase price of $356 million; acquired headcount not disclosed.
2016-12-31restructuringcompleted2016-01-012016-12-31GlobalAll segmentsUSD 77 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Charges of $77 million for employee related costs, asset disposals, and exit costs associated with minor restructuring activities in all segments. Employee-related costs were $14 million.
2016-12-31restructuringin_progressEmployee Related Costs [Member]USD 14,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2016-12-31restructuringin_progressMinor Segment Restructurings, Exit Costs [Member]USD 1,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2016-09-30restructuringin_progress2016-12-31GlobalAll segments (Display Technologies, Optical Communications, Environmental Technologies, Specialty Materials, Life Sciences, All Other, Corporate)USD 78 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Pre-tax charges for employee-related costs, asset disposals and exit costs; no employee count disclosed. Cash expenditures estimated at $15 million. Reserve roll-forward shows $16M net charges, $10M cash payments, $8M reserve at quarter-end.
2016-09-30restructuringin_progress2016-12-31GlobalAll segmentsUSD 78 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Charges of $78 million recorded for employee related costs, asset disposals, and exit costs associated with minor restructuring activities in all segments. Cash expenditures estimated at $15 million, expected to be substantially completed in 2016. Employee count affected not disclosed.
2016-09-30restructuringin_progressEmployee Severance [Member]USD 15,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2016-09-30restructuringin_progressOther Restructuring [Member]USD 1,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2016-09-30restructuringin_progressUSD 16,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2016-06-30restructuringin_progress2016-12-31GlobalAll segments (Display Technologies, Optical Communications, Environmental Technologies, Specialty Materials, Life Sciences, All Other, Corporate)USD 78 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		First-half 2016 pre-tax charges for employee-related costs, asset disposals and exit costs from minor restructuring across all segments; employee-related and other charges totaled $16M net (including $62M asset disposal). Number of employees affected not disclosed; cash expenditures estimated at $15M, expected substantially complete in 2016.
2016-06-30restructuringin_progress2016-12-31GlobalAll segmentsUSD 78 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Charges of $78 million recorded for employee related costs, asset disposals, and exit costs associated with minor restructuring activities. Cash expenditures estimated at $15 million, expected to be substantially completed in 2016. Employee count not disclosed.
2016-06-30restructuringin_progressEmployee Severance [Member]USD 15,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2016-06-30restructuringin_progressOther Restructuring [Member]USD 1,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2016-06-30restructuringin_progressUSD 16,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2016-03-31restructuringin_progress2016-12-31GlobalAll segments (Display Technologies, Optical Communications, Environmental Technologies, Specialty Materials, Life Sciences, All Other, Corporate)USD 80 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Q1 2016 charges of $80M pre-tax for employee-related costs, asset disposals, and exit costs across all segments; cash expenditures estimated at $15M. Employee-related and exit activity expected substantially complete in 2016. No employee headcount affected disclosed.
2016-03-31restructuringin_progress2016-03-312016-12-31GlobalAll SegmentsUSD 80 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Charges of $80 million recorded for employee related costs, asset disposals, and exit costs associated with minor restructuring activities in all segments. Cash expenditures estimated at $15 million, expected to be substantially completed in 2016. Employee count not disclosed.
2016-03-31restructuringin_progressEmployee Severance [Member]USD 15,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2016-03-31restructuringin_progressOther Restructuring [Member]USD 1,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2016-03-31restructuringin_progressUSD 16,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2015-12-31restructuringcompletedGlobalMultiple segmentsUSD 40 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		2015: no significant restructuring charges recorded; $40M cash expenditures for restructuring activities. Employee-related cash payments for 2014 actions substantially completed in 2015.
2015-12-31acquisition_additioncompletedGlobalOptical Communications; All Otherbusiness_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Five acquisitions completed in 2015; four in Optical Communications (Q1) and one in All Other (Q4). Headcount added not disclosed.
2015-12-31otherannounced2015-12-112016-06-30United StatesCorporate Investments (Dow Corning)Item_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Corning announced intention to exchange 50% Dow Corning interest for new entity holding ~40% Hemlock Semiconductor and ~$4.8B cash; expected to close H1 2016. Headcount impact not disclosed.
2015-12-31restructuringcompleted2014-01-012015-12-31GlobalMultiple segmentsUSD 0 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		For the year ended December 31, 2015, the company did not record significant restructuring, impairment and other charges or reversals. Cash expenditures for restructuring activities were $40 million, primarily related to prior year actions.
2015-09-30restructuringin_progressDisplay TechnologiesUSD 2 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Charge recorded in Q3 2015. Filing notes potential for further charges to reduce workforce and consolidate capacity.
2015-09-30restructuringin_progressSpecialty MaterialsUSD 2 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Charge recorded in Q3 2015.
2015-06-30restructuringin_progressDisplay TechnologiesUSD 3 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Restructuring, impairment and other charges of $3 million recorded in the three months ended June 30, 2015.
2015-06-30restructuringin_progressSpecialty MaterialsUSD 3 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Restructuring, impairment and other charges of $3 million recorded in the three months ended June 30, 2015.
2015-06-30restructuringin_progressDisplay TechnologiesUSD 2 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Restructuring, impairment and other charges of $2 million recorded in the six months ended June 30, 2015.
2015-06-30restructuringin_progressSpecialty MaterialsUSD 3 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Restructuring, impairment and other charges of $3 million recorded in the six months ended June 30, 2015.
2015-03-31acquisition_additioncompletedOptical Communicationsbusiness_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Four acquisitions completed in Q1 2015 (including iBwave Solutions Inc. and the fiber-optics business of Samsung Electronics); no headcount added disclosed. Goodwill of $220 million allocated to Optical Communications.
2015-03-31restructuringin_progressDisplay TechnologiesMD&A
f5-10q / Qwen3.6-27B-Q8_0		Filing states: 'We may incur further charges in this segment to reduce our workforce and consolidate capacity.' No specific headcount or charge amount disclosed for Q1 2015 actions.
2015-03-31acquisition_additioncompletedOptical CommunicationsUSD 547 (millions)business_combinations_footnote
f5-10q / Qwen3.6-27B-Q8_0		Corning completed four acquisitions in Q1 2015 with total purchase consideration of $547 million. Goodwill of $220 million allocated to Optical Communications. Headcount added is not explicitly disclosed.
2014-12-31restructuringin_progress2015-12-31GlobalMultiple segments (Display Technologies, Optical Communications, Specialty Materials, Life Sciences, Corporate)USD 71 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		FY2014 charges of $71M for workforce reductions, asset disposals/write-offs and exit costs; total cash expenditures estimated at $51M and annualized savings estimated at approximately $94M, largely in SG&A. Employee headcount affected is not disclosed. Cash payments for employee-related and exit activity expected to be substantially completed in 2015. Segment charge split disclosed as Display Technologies $50M, Optical Communications $17M, Specialty Materials $1M, Life Sciences $1M, Corporate/All Other $2M (charges, not headcount).
2014-12-31acquisition_additioncompleted2013-10-222014-01-15South KoreaDisplay Technologiesbusiness_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Corning acquired the remaining 42.5% of Samsung Corning Precision Materials (renamed Corning Precision Materials) on 2014-01-15, taking ownership to 100% and consolidating the entity from Q1 2014; the organization was integrated into the Display Technologies segment. Headcount added through the acquisition is not disclosed. Acquisition-related costs of $93M in 2014 included post-combination compensation expense.
2014-12-31restructuringcompleted2014-12-312015-12-31GlobalMultiple segmentsUSD 71 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Charges for workforce reductions, asset disposals, and exit costs. Total cash expenditures estimated at $51 million. Employee-related cash payments of $39 million made in 2014. Expected to be substantially completed in 2015.
2014-12-31restructuringin_progressEmployee Severance [Member]USD 48,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2014-12-31restructuringin_progressOther Restructuring [Member]USD 1,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2014-12-31restructuringin_progressUSD 49,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2014-09-30restructuringin_progress2015-12-31Display Technologies, Optical Communications, Specialty MaterialsUSD 51 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		2014 global restructuring for workforce reductions, asset disposals and exit costs; total cash expenditures estimated at $11 million. Employee counts not disclosed. Cash payments for 2014 and 2013 actions expected substantially complete in 2015.
2014-09-30restructuringin_progress2013-10-012015-12-31Multiple segmentsUSD 67 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Global restructuring plan implemented in Q4 2013; cash expenditures expected to be approximately $40 million. Employee counts not disclosed.
2014-09-30acquisition_additioncompleted2014-01-152014-01-15South KoreaDisplay Technologiesbusiness_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Acquisition of remaining 42.5% of Samsung Corning Precision Materials (now Corning Precision Materials), consolidated into Display Technologies. Headcount added not disclosed.
2014-09-30restructuringin_progress2013-10-012015-12-31GlobalDisplay Technologies, Optical Communications, Specialty MaterialsUSD 51 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Charges of $51 million recorded for nine months ended Sept 30, 2014 for workforce reductions, asset disposals, and exit costs. Cash expenditures estimated at $11 million. Employee-related costs payments expected to be substantially completed in 2015.
2014-09-30restructuringin_progressEmployee Severance [Member]USD 32,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2014-09-30restructuringin_progressOther Restructuring [Member]USD 5,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2014-09-30restructuringin_progressUSD 37,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2014-06-30restructuringin_progress2015-12-31Display Technologies; Optical Communications; Specialty MaterialsUSD 51 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		2014 program covers workforce reductions, asset disposals and exit costs; cash expenditures estimated at $14M; annualized savings ~$75M. Employee headcount affected not disclosed. Cash payments for employee-related costs expected substantially complete in 2015.
2014-06-30acquisition_additioncompleted2014-01-152014-01-15South KoreaDisplay Technologiesbusiness_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Acquisition of remaining equity interests in Samsung Corning Precision Materials (renamed Corning Precision Materials), consolidated into Display Technologies segment from Q1 2014. Headcount added not disclosed.
2014-06-30restructuringin_progress2014-01-012015-12-31GlobalDisplay Technologies, Optical Communications, Specialty MaterialsUSD 32 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Charges for workforce reductions, asset disposals, and exit costs. Cash payments for employee-related costs expected to be substantially completed in 2015. Employee count not disclosed.
2014-06-30restructuringin_progress2013-10-012015-12-31GlobalVarious segmentsUSD 5 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Global restructuring plan implemented in Q4 2013. Charges recorded in Q2 2014 for other charges. Cash payments for employee-related costs expected to be substantially completed in 2015. Employee count not disclosed.
2014-06-30restructuringin_progressEmployee Severance [Member]USD 32,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2014-06-30restructuringin_progressOther Restructuring [Member]USD 5,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2014-06-30restructuringin_progressUSD 37,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2014-03-31restructuringin_progress2014-12-31Optical Communications; Specialty MaterialsUSD 17 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Q1 2014 charges of $17M comprise $3M employee-related costs and $14M asset impairment/disposal; cash expenditures estimated at $3M; annualized savings approximately $5M; no employee count disclosed
2014-03-31restructuringin_progress2014-12-31GlobalMultiple segmentsUSD 67 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Global plan initiated in Q4 2013 covering workforce reductions, asset disposals and exit costs; $11M cash payments in Q1 2014 against $44M reserve; total cash expenditures expected approximately $40M; annualized savings approximately $40M; no employee count disclosed
2014-03-31acquisition_additioncompleted2013-10-222014-01-15South KoreaDisplay Technologiesbusiness_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Framework Agreement announced 2013-10-22; acquisition of remaining 42.5% of Samsung Corning Precision Materials (renamed Corning Precision Materials) closed 2014-01-15 and consolidated into Display Technologies; headcount added not disclosed
2014-03-31restructuringin_progress2014-01-012014-12-31GlobalOptical Communications; Specialty MaterialsUSD 17 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Charges of $17 million recorded for employee related costs and asset impairment. Cash expenditures estimated at $3 million. Annualized savings anticipated at $5 million. Employee-related cash payments expected to be substantially completed in 2014.
2014-03-31restructuringin_progress2013-10-012014-12-31GlobalMultiple segmentsUSD 67 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Global restructuring plan implemented in Q4 2013 consisting of workforce reductions, asset disposals, and exit costs. Charges of $67 million recorded. Total cash expenditures expected to be approximately $40 million. Annualized savings estimated at $40 million. Cash payments for employee-related costs expected to be substantially completed in 2014.
2014-03-31restructuringin_progressEmployee Severance [Member]USD 3,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2014-03-31restructuringin_progressUSD 3,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2013-12-31restructuringin_progress2013-10-012014-12-31GlobalMultiple segmentsUSD 67 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Global restructuring plan implemented in Q4 2013 covering workforce reductions, asset disposals and exit costs; cash expenditures expected to be approximately $40 million with annualized savings of approximately $40 million. Employee headcount affected not disclosed. Segment charges: Display $5M, Optical $13M, Environmental $1M, Specialty $25M, Life Sciences $3M, Corporate/All Other $20M.
2013-12-31acquisition_additioncompleted2013-10-222014-01-15South KoreaDisplay TechnologiesUSD 506 (millions)subsequent_events
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Q4 2013 purchase of three minority shareholders' interests in Samsung Corning Precision Materials for $506 million raised ownership from 50% to 57%; remaining transactions closed 2014-01-15 giving 100% ownership and consolidation from Q1 2014. Headcount added not disclosed.
2013-12-31acquisition_additioncompleted2013-04-012013-06-30Optical CommunicationsMD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Small acquisition completed in Q2 2013 plus consolidation of an equity investment due to a change in control, together adding approximately $53 million of 2013 sales. Headcount added not disclosed; announcement date is approximate to the quarter.
2013-12-31restructuringcompleted2013-10-012014-12-31GlobalMultiple segmentsUSD 67 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Global restructuring plan implemented in Q4 2013 consisting of workforce reductions, asset disposals, and exit costs. Total cash expenditures expected to be approximately $40 million. Annualized savings estimated at $40 million.
2013-12-31restructuringin_progressEmployee Severance [Member]USD 34,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2013-12-31restructuringin_progressOther Restructuring [Member]USD 7,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2013-12-31restructuringin_progressUSD 41,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2013-12-31restructuringin_progressDow Corning Corporation [Member]USD 11,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2013-09-30restructuringin_progress2013-12-31Corporaterestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		2012 corporate-wide restructuring plan; employee-related reserve of $10M at 2013-09-30 after $1M net reversal and $27M cash payments in the nine months; no employee count disclosed. Cash payments expected to complete in 2013.
2013-09-30restructuringin_progress2013-12-31USD -1 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Net reversal of $1 million for employee-related costs in the nine months ended Sept 30, 2013. Cash payments for 2012 corporate-wide restructuring plan expected to be completed in 2013.
2013-09-30restructuringin_progressEmployee-Related Costs [Member]USD -1,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2013-09-30restructuringin_progressUSD -1,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2013-09-30restructuringin_progressDow Corning Corporation [Member]USD 11,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2013-06-30restructuringin_progress2013-12-31Corporaterestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		2012 corporate-wide restructuring plan; employee-related costs reserve of $15M at June 30, 2013 (down from $38M at January 1, 2013) after $(1)M net charges and $(22)M cash payments in the six months. No employee count disclosed; cash payments for employee-related costs expected to be completed in 2013.
2013-06-30acquisition_additioncompletedTelecommunicationsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Small acquisition and consolidation of an equity company due to a change in control in Q2 2013 added $32M of goodwill to the Telecommunications segment; no headcount added disclosed.
2013-06-30restructuringin_progress2013-12-31USD -1 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Net reversal of $1 million for six months ended June 30, 2013. Cash payments for employee-related costs from 2012 corporate-wide plan expected to be completed in 2013. Employee count not disclosed.
2013-06-30restructuringin_progressEmployee-Related Costs [Member]USD -1,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2013-06-30restructuringin_progressUSD -1,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2013-06-30restructuringin_progressDow Corning Corporation [Member]USD 9,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2013-03-31restructuringin_progress2013-12-31GlobalCorporate-wideUSD 15 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		2012 corporate-wide restructuring plan; employee-related severance reserve of $23M remaining at quarter-end after $15M cash payments in Q1 2013; expected substantially complete during 2013. No employee count disclosed.
2013-03-31restructuringin_progress2013-12-31GlobalCorporate-wideUSD 15 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Cash payments for employee-related costs related to the 2012 corporate-wide restructuring plan are expected to be substantially completed in 2013. Reserve at Jan 1, 2013 was $38M; cash payments of $15M made in Q1 2013; reserve at Mar 31, 2013 is $23M. No specific employee count disclosed for this period's activity.
2013-03-31restructuringin_progressGlobalDow Corning Corporation (Equity Affiliate)USD 2 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Dow Corning recorded a $2 million restructuring charge for Corning's 50% share of costs for headcount reductions and asset write-offs in Q1 2013. Specific employee count not disclosed.
2013-03-31restructuringin_progressUSD 2,000,000 (absolute)restructuring_footnote
f5-10q / no-ai-xblr
2012-12-31restructuringin_progress2012-10-012013-12-31GlobalCorporate-wide (Display Technologies, Telecommunications, Environmental Technologies, Specialty Materials, Life Sciences, Corporate and All Other)USD 89 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Corporate-wide plan implemented in Q4 2012 covering workforce reductions, asset write-offs and exit costs; $89M pre-tax charge ($133M total including $44M large cover glass impairment). Cash expenditures expected to be approximately $49M, majority of employee-related costs paid in 2013; annualized savings estimated at approximately $71M. Headcount reductions not quantified. Segment charge split: Display $21M, Telecom $39M, Environmental $3M, Specialty Materials $54M, Life Sciences $2M, Corporate/All Other $14M.
2012-12-31acquisition_additioncompleted2012-10-312012-10-31GlobalLife SciencesUSD 723 (millions)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquired Discovery Labware, Inc. and Plasso Technology Limited from Becton Dickinson for approximately $723M net of cash received; purchase price, not a charge. Headcount added through the acquisition not disclosed.
2012-12-31plant_closurecompleted2012-12-012012-12-31JapanSpecialty MaterialsUSD 44 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Impairment of ion-exchange assets for large size cover glass after the primary customer exited the display market; write-down of machinery and equipment to fair value. Included within the $133M total restructuring/impairment charge. Asset-level action; associated headcount not disclosed.
2012-12-31restructuringin_progress2012-10-012013-12-31GlobalCorporate-wideUSD 89 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Corporate-wide restructuring plan announced in Q4 2012. Charges of $89 million before tax for workforce reductions, asset write-offs, and exit costs. Majority of employee-related spending expected to be completed in 2013.
2012-12-31restructuringin_progressUSD 89,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2012-12-31restructuringin_progressDisplay Technologies [Member]USD 18,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2012-06-30restructuringin_progressDisplay TechnologiesMD&A
f5-10q / Qwen3.6-27B-Q8_0		Filer states: 'We may incur further charges in this segment to reduce our workforce and consolidate capacity.' No specific headcount or charge amount disclosed for the current period.
2011-12-31restructuringcompleted20092011-12-31GlobalCorporate-widerestructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Multi-year corporate-wide workforce reduction plan originally charged at $228 million in 2009. FY2011 activity only: net $1 million credit, $16 million cash payments, $10 million reserve at year-end; exit-activity payments substantially completed by end of 2011. Employees affected not disclosed in this filing.
2011-12-31restructuringin_progressWorldwide (impairment assets located in Japan)Display Technologies and Specialty MaterialsUSD 130 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Announced in Q4 2011 (exact date not disclosed): plan to cut worldwide glass capacity by approximately 25%, including delaying new tank start-ups, postponing tank relights and shutdowns at Samsung Corning Precision. Includes a $130 million impairment of Japan ion-exchange assets for large cover glass. No headcount impact disclosed.
2011-12-31acquisition_additioncompletedTelecommunicationsother
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Small acquisition completed in Q1 2011; $91 million of goodwill recorded. Headcount added not disclosed.
2011-12-31acquisition_additioncompletedLife Sciencesother
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Small acquisition completed in Q4 2011 (cellgro brand, cell culture media and molecular biology reagents); $36 million of goodwill recorded. Headcount added not disclosed.
2011-12-31restructuringcompleted20092011-12-31GlobalCorporate-wideUSD 228 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		2009 corporate-wide restructuring plan to reduce global workforce. Total cash expenditures approx $150 million. Payments for exit activities substantially completed by end of 2011. Employee count affected not explicitly disclosed in current year footnote.
2011-09-30restructuringin_progress2011-12-31USD 12 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Reserve for employee-related costs was $3 million at Sept 30, 2011. Cash payments for these costs were substantially completed by end of 2010. Payments for exit activities will be substantially complete by end of 2011. No specific employee count is disclosed.
2011-06-30restructuringin_progress2011-12-31USD 13 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Cash payments for restructuring activities totaled $13 million for the six months ended June 30, 2011. Employee-related costs were substantially completed by end of 2010; exit activity payments expected to be substantially complete by end of 2011. No specific employee headcount affected was disclosed in this period.
2011-03-31restructuringin_progress2011-12-31USD 9 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Cash payments for employee-related costs were substantially completed by end of 2010; payments for exit activities expected to be substantially complete by end of 2011. No specific employee count disclosed for Q1 2011 activity.
2010-12-31restructuringin_progress20092011-12-31GlobalAll operating segments and corporaterestructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Corporate-wide workforce reduction plan announced in 2009; 2010 activity only: $66M cash payments, $5M net credit to employee-related reserve, $27M reserve remaining at year-end; exit-activity payments substantially complete by end of 2011. Headcount affected never quantified in this filing.
2010-12-31acquisition_additioncompleted2010-12-31Life Sciencesother
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Small acquisition completed in the fourth quarter of 2010 adding $28M of goodwill to Life Sciences; acquired headcount not disclosed
2010-12-31othercompleted2010-12-31All Other — development projectsMD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Company discontinued development and commercialization of synthetic green laser technologies in Q4 2010; any associated workforce impact not quantified
2010-12-31restructuringcompleted2009-01-012010-12-31GlobalAll segmentsUSD 228 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Corporate-wide restructuring plan announced in 2009 to reduce global workforce. Total cash expenditures expected to be approximately $150 million, with majority of spending completed by 2010. Estimated annualized savings of about $224 million.
2010-12-31restructuringin_progressUSD 29,000,000 (absolute)restructuring_footnote
f5-10k / no-ai-xblr
2010-09-30restructuringin_progress2011-12-31GlobalMultiple segments including corporateUSD -3 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Ongoing restructuring reserve activity for nine months ended 2010-09-30: reserve of $100M at 2010-01-01, net reversals of $3M, cash payments of $58M, reserve of $37M at 2010-09-30. Employee-related cash payments expected substantially complete by end of 2010; exit-activity payments by end of 2011. No employee headcount affected disclosed.
2010-09-30restructuringcompleted2009-01-012010-12-31GlobalCorporate-wide workforce reduction across all segmentsUSD 175 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Prior-year corporate-wide restructuring plan ($165M charge in Q1 2009 plus $10M in Q3 2009) referenced in current filing; total cash expenditures expected approximately $110M with majority complete by end of 2010. No employee headcount affected disclosed. Included for context as program remains active in 2010.
2010-09-30restructuringin_progress2009-03-312011-12-31GlobalCorporate and All OtherUSD -3 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Net reversal of $3 million for employee-related costs in Q3 2010. Cash payments for employee-related costs expected to be substantially complete by end of 2010; exit activities by end of 2011. Original 2009 plan included global workforce reduction.
2010-06-30restructuringin_progress2009-03-312011-12-31GlobalCorporate and All OtherUSD -2 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Continuation of 2009 corporate-wide restructuring plan. Net credit of $2M recorded in Q2 2010. Cash payments of $50M made YTD 2010. Employee-related costs payments expected to be substantially complete by end of 2010; exit activities by end of 2011.
2010-03-31restructuringin_progress2009-03-312011-12-31GlobalCorporate and All OtherUSD -2 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Continuation of Q1 2009 corporate-wide restructuring plan. Q1 2010 recorded a $2M credit (reversal). Cash payments for employee-related costs expected to be substantially complete by end of 2010; exit activities by end of 2011.
2009-12-31restructuringin_progress2010-12-31WorldwideDisplay TechnologiesUSD 31 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Corporate-wide 2009 plan to reduce global workforce in response to anticipated lower sales; segment cost of $31 million. Headcount affected not disclosed.
2009-12-31restructuringin_progress2010-12-31WorldwideTelecommunicationsUSD 42 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Segment actions included workforce reductions, consolidation of manufacturing operations that closed two plants, and exit of minor businesses (per MD&A). Headcount affected not disclosed.
2009-12-31restructuringin_progress2010-12-31WorldwideEnvironmental TechnologiesUSD 28 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Part of the corporate-wide 2009 workforce reduction plan. Headcount affected not disclosed.
2009-12-31restructuringin_progress2010-12-31WorldwideSpecialty MaterialsUSD 17 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		MD&A adds that segment charges included costs of closing one manufacturing facility. Headcount affected not disclosed.
2009-12-31restructuringin_progress2010-12-31WorldwideLife SciencesUSD 8 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Part of the corporate-wide 2009 workforce reduction plan. Headcount affected not disclosed.
2009-12-31restructuringin_progress2010-12-31WorldwideCorporate and All OtherUSD 102 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Includes a $32 million curtailment loss for postretirement benefits and $50 million of charges for U.S. pension and postretirement plans. Total 2009 program charge was $228 million with approximately $155 million of expected cash spend, majority in 2010; $100 million reserve remained at year-end. Headcount affected not disclosed.
2009-12-31acquisition_additioncompleted2009-09-152009-09-15United StatesLife Sciencesbusiness_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquired Axygen BioScience, Inc. for $410 million net of cash received; acquired headcount is not disclosed. Axygen contributed approximately $36 million of sales in Q4 2009.
2009-12-31restructuringcompleted2009-01-012010-12-31GlobalAll segmentsUSD 228 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Corporate-wide restructuring plan to reduce global workforce. Charges of $228 million recorded in 2009. Majority of spending expected to be completed by 2010.
2009-09-30restructuringin_progress2009-03-312010-03-31GlobalCorporate-wide (all segments)USD 165 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		First quarter 2009 corporate-wide workforce reduction plan; charge includes severance, special termination benefits, outplacement and a $30M postretirement curtailment loss. Total cash outlays expected around $105M, mostly by early 2010. Number of employees affected not disclosed.
2009-09-30restructuringin_progress2009-09-302011-12-31GlobalEnvironmental Technologies (severance) and other segments (asset disposal)USD 10 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Third quarter 2009 charge comprising severance for an Environmental Technologies restructuring plan plus asset disposal costs in other segments. Employee counts not disclosed; exit-activity payments expected substantially complete by end of 2011.
2009-09-30acquisition_additioncompleted2009-09-152009-09-15GlobalLife SciencesUSD 410 (millions)business_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Acquisition of Axygen Bioscience, Inc. for $410M net of cash received; headcount added not disclosed. $4M of acquisition-related costs recorded in SG&A.
2009-09-30restructuringin_progress2009-03-312010-03-31GlobalCorporate and All OtherUSD 84 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Part of corporate-wide restructuring plan to reduce global workforce. Total cash expenditures for the entire plan expected to be approx $105 million, majority completed by early 2010.
2009-09-30restructuringin_progress2009-03-312010-03-31GlobalDisplay TechnologiesUSD 29 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Part of corporate-wide restructuring plan.
2009-09-30restructuringin_progress2009-03-312010-03-31GlobalTelecommunicationsUSD 15 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Part of corporate-wide restructuring plan. Includes workforce reductions and consolidation of manufacturing operations.
2009-09-30restructuringin_progress2009-03-312010-03-31GlobalEnvironmental TechnologiesUSD 22 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Part of corporate-wide restructuring plan. Includes severance costs for a restructuring plan in the Environmental Technologies segment.
2009-09-30restructuringin_progress2009-03-312010-03-31GlobalSpecialty MaterialsUSD 17 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Part of corporate-wide restructuring plan.
2009-09-30restructuringin_progress2009-03-312010-03-31GlobalLife SciencesUSD 8 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Part of corporate-wide restructuring plan.
2009-09-30acquisition_additioncompleted2009-09-152009-09-15United StatesLife SciencesUSD 410 (millions)business_combinations_footnote
f5-10q / Qwen3.6-27B-Q8_0		Acquired Axygen Bioscience, Inc. for $410 million net of cash received. Headcount not explicitly disclosed.
2009-06-30restructuringin_progress2010GlobalDisplay TechnologiesUSD 34 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Corporate-wide workforce reduction plan recorded in Q1 2009; segment cost of $34M covers employee-related and other costs. No employee count disclosed.
2009-06-30restructuringin_progress2010GlobalTelecommunicationsUSD 15 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Includes workforce reductions and consolidation of manufacturing operations resulting in closure of two plants. No employee count disclosed.
2009-06-30restructuringin_progress2010GlobalEnvironmental TechnologiesUSD 19 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Segment cost of the corporate-wide restructuring plan; no employee count disclosed.
2009-06-30restructuringin_progress2010GlobalSpecialty MaterialsUSD 18 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Segment cost of the corporate-wide restructuring plan; no employee count disclosed.
2009-06-30restructuringin_progress2010GlobalLife SciencesUSD 7 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Segment cost of the corporate-wide restructuring plan; no employee count disclosed.
2009-06-30restructuringin_progress2010GlobalCorporate and All OtherUSD 72 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Program totals: $165M charge recorded in Q1 2009 (severance, special termination benefits, outplacement, $30M postretirement curtailment loss); total cash expenditures expected ~$105M with majority complete by early 2010; estimated annualized savings ~$195M. No employee counts disclosed anywhere in the filing.
2009-06-30restructuringin_progress2009-03-312010-03-31GlobalCorporate and All OtherUSD 72 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Part of corporate-wide restructuring plan to reduce global workforce. Majority of spending completed by early 2010.
2009-06-30restructuringin_progress2009-03-312010-03-31GlobalDisplay TechnologiesUSD 34 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Part of corporate-wide restructuring plan to reduce global workforce.
2009-06-30restructuringin_progress2009-03-312010-03-31GlobalTelecommunicationsUSD 15 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Part of corporate-wide restructuring plan to reduce global workforce.
2009-06-30restructuringin_progress2009-03-312010-03-31GlobalEnvironmental TechnologiesUSD 19 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Part of corporate-wide restructuring plan to reduce global workforce.
2009-06-30restructuringin_progress2009-03-312010-03-31GlobalSpecialty MaterialsUSD 18 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Part of corporate-wide restructuring plan to reduce global workforce.
2009-06-30restructuringin_progress2009-03-312010-03-31GlobalLife SciencesUSD 7 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Part of corporate-wide restructuring plan to reduce global workforce.
2009-03-31restructuringin_progress2009-01-012010-01-31GlobalAll segments (Display Technologies, Telecommunications, Environmental Technologies, Specialty Materials, Life Sciences, Corporate and All Other)USD 165 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Corporate-wide plan to reduce global workforce in response to anticipated lower 2009 sales. Charge includes severance, special termination benefits, outplacement, and $30M postretirement curtailment loss. Cash expenditures expected ~$105M, majority by early 2010. Annualized savings estimated at ~$195M. No employee headcount disclosed. Segment allocation of charges: Display Technologies $34M, Telecommunications $15M, Environmental Technologies $19M, Specialty Materials $18M, Life Sciences $7M, Corporate and All Other $72M.
2009-03-31restructuringin_progress2009-01-01GlobalDow Corning Corporation (50% equity affiliate)USD 29 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Corning's 50% share of Dow Corning's global workforce reduction restructuring charges in Q1 2009. Total Dow Corning charge not disclosed; only Corning's share of $29M. No employee headcount disclosed.
2009-03-31restructuringin_progress2009-03-312010-03-31GlobalCorporate-wideUSD 165 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Corporate-wide plan to reduce global workforce in response to anticipated lower sales. Includes severance, special termination benefits, outplacement services, and $30M curtailment loss for postretirement benefits. Majority of spending completed by early 2010.
2009-03-31restructuringin_progress2009-03-31GlobalDisplay TechnologiesUSD 34 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Component of corporate-wide restructuring plan.
2009-03-31restructuringin_progress2009-03-31GlobalTelecommunicationsUSD 15 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Component of corporate-wide restructuring plan. Includes workforce reductions and consolidation of manufacturing operations.
2009-03-31restructuringin_progress2009-03-31GlobalEnvironmental TechnologiesUSD 19 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Component of corporate-wide restructuring plan.
2009-03-31restructuringin_progress2009-03-31GlobalSpecialty MaterialsUSD 18 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Component of corporate-wide restructuring plan.
2009-03-31restructuringin_progress2009-03-31GlobalLife SciencesUSD 7 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Component of corporate-wide restructuring plan.
2009-03-31restructuringin_progress2009-03-31GlobalCorporate and All OtherUSD 72 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Component of corporate-wide restructuring plan.
2009-03-31restructuringin_progress2009-03-31GlobalDow Corning (Affiliate)USD 29 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		Corning's share of restructuring charges incurred by affiliate Dow Corning associated with global workforce reduction.
2008-12-31restructuringcompletedGlobalTelecommunicationsUSD 22 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Recorded in fourth quarter of 2008, primarily severance costs; headcount affected not disclosed
2008-12-31restructuringannounced3,5002009-01-262009-12-31GlobalCorporate-wideUSD 165 (millions)subsequent_events
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Pre-tax charge range of $115M to $165M expected in Q1 2009, in addition to the $22M Q4 2008 charge; cash expenditures of roughly $105M to $150M, primarily termination benefits; program includes a selective early retirement program, global workforce reductions and manufacturing consolidation
2008-12-31restructuringannounced8008%2009-02-24GlobalDow Corning Corporation (equity investee)subsequent_events
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Approximately 800 positions, about 8% of Dow Corning's global workforce; not Corning headcount. Expected impact to Corning's Q1 2009 equity earnings of $17M to $26M
2008-12-31divestiture_reductioncompletedUnited StatesAll Other — Steuben glass businessUSD 14 (millions)other
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Sale of the Steuben glass business during 2008 with a $14M loss; associated headcount not disclosed
2008-12-31restructuringcompleted2008-12-312009-12-31GlobalTelecommunicationsUSD 22 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Recorded in Q4 2008. Cash payments for employee-related costs substantially completed by end of 2009.
2008-12-31restructuringannounced3,5002009-01-262009-12-31GlobalCorporate-wideUSD 140 (millions)subsequent_events
f5-10k / Qwen3.6-27B-Q8_0		Charge range $115M-$165M pre-tax. Includes selective early retirement, global workforce reductions, and consolidation of manufacturing facilities.
2008-09-30restructuringannounced2008-09-30MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Management stated it is planning potential restructuring charges in Q4 2008 alongside hiring freeze and cost reductions in response to worsening economic conditions; no employee count or charge amount disclosed.
2008-09-30otherannounced2008-09-30Company-wideMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Company announced a hiring freeze except for urgent needs, prioritization of innovation projects, and reduced overhead in response to economic conditions; no headcount figures disclosed.
2008-09-30restructuringin_progress2012-12-31USD -3 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Net credit of $3 million recorded for nine months ended Sept 30, 2008. Cash payments for employee-related costs expected to be substantially complete by end of 2008; exit activity payments by end of 2012. Employee headcount affected not disclosed.
2008-06-30restructuringin_progress2012-12-31USD -1 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Net credit of $1 million recorded for six months ended June 30, 2008. Cash payments for employee-related costs expected to be substantially complete by end of 2008; exit activities by end of 2012. Employee headcount affected is not disclosed.
2008-03-31restructuringin_progress2008-12-31restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		2008 restructuring program: employee-related cost reserve of $6M at March 31, 2008 (net charges of $(1)M, cash payments of $(5)M in the quarter); employee-related cash payments expected substantially complete by end of 2008, exit-activity payments by end of 2012. No employee counts disclosed.
2008-03-31restructuringin_progress2008-12-31Employee related costsUSD -1 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Net reversal of $1 million for employee-related costs; payments expected substantially complete by end of 2008.
2008-03-31restructuringin_progress2012-12-31Other chargesrestructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Payments for exit activities expected substantially complete by end of 2012.
2007-12-31restructuringin_progress2008-12-31restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		2007 restructuring program: net credit of $4M for revisions to existing plans; cash payments of $39M for employee severance and exit costs; $34M reserve at year-end. Employees affected not disclosed. Cash payments for employee-related costs expected substantially complete by end of 2008, exit-activity payments by end of 2010.
2007-12-31divestiture_reductioncompleted2007-04-30EuropeTelecommunicationsMD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Sale of the European submarine cabling business effective April 30, 2007, with a $19M gain recorded; associated headcount not disclosed.
2007-12-31restructuringin_progress2010-12-31GlobalVariousUSD 39 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Cash payments of $39 million made in 2007 related to employee severance and other exit costs. Employee-related costs expected to be substantially completed by end of 2008; exit activities by end of 2010. No specific headcount affected disclosed.
2007-12-31plant_closurecompletedUnited KingdomLife SciencesUSD 5 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Shutdown of a facility in the United Kingdom resulted in $5 million of severance, curtailment, and asset impairment costs in 2006 (disclosed in 2007 filing for context of prior year comparison, but action occurred in 2006). Note: This action is technically in the prior year (2006) but mentioned in 2007 MD&A. However, the prompt asks for actions disclosed *during* the fiscal year. The 2007 restructuring footnote shows net credits of $4M. The $39M cash payment in 2007 relates to ongoing programs. The UK closure is a 2006 event. I will exclude it as it is not a 2007 action.
2007-09-30restructuringin_progress2007-12-31Employee related costsUSD 1 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Net charge of $1 million for employee-related costs in the nine months ended Sept 30, 2007. Cash payments for these costs expected to be substantially completed by end of 2007.
2007-09-30restructuringin_progress2010-12-31Other chargesUSD -3 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Net credit of $3 million for other charges (exit activities) in the nine months ended Sept 30, 2007. Payments for exit activities expected to be substantially completed by end of 2010.
2007-06-30restructuringin_progress2007-12-31USD -2 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Net credit adjustment of $2 million for revisions to existing restructuring plans in Q2 2007. Employee-related cost payments expected to be substantially completed by end of 2007.
2007-03-31restructuringin_progress2008-12-31USD 11 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Cash payments of $11 million made in Q1 2007 against existing reserves. Employee-related costs expected to be substantially completed by end of 2008. No new charges recorded in Q1 2007.
2006-12-31restructuringin_progressUnited KingdomLife Sciences segment and Specialty Materials businessUSD 5 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Disinvestment plan for certain U.K. manufacturing operations; $5 million severance and curtailment charge plus a separate $6 million asset impairment in 2006. Headcount not disclosed.
2006-12-31restructuringin_progressGermanyTelecommunications segmentUSD 7 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		2006 charge for a revision to an existing restructuring plan at a German location; headcount not disclosed.
2006-12-31plant_closurein_progress2007-12-31United States and internationalMultiple segmentsItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Company continued a restructuring program during 2006 closing or consolidating certain smaller manufacturing facilities; no facility count or headcount disclosed. Cash payments for employee-related restructuring costs totaled $15 million in 2006 per Note 3.
2006-12-31restructuringcompleted2006-01-012007-12-31GlobalLife Sciences; Specialty Materials; TelecommunicationsUSD 6 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Includes $5 million charge for severance and curtailment costs related to disinvestment plan in Life Sciences and Specialty Materials in the U.K., and $7 million charge for revision to existing restructuring plan in Telecommunications in Germany. Cash payments for employee-related costs expected to be substantially completed by end of 2007.
2006-12-31plant_closurecompleted2006-01-012006-12-31United StatesTelecommunicationsItem_2_Properties
f5-10k / Qwen3.6-27B-Q8_0		Optical fiber manufacturing facility in Concord, North Carolina mothballed until fiber demand rebounds. Facility can be returned to productive capacity within six to nine months.
2006-09-30restructuringin_progress2006-01-01GermanyTelecommunicationsUSD 7 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		First quarter 2006 charge for a revision to an existing restructuring plan for a German location; no employee count disclosed.
2006-09-30restructuringin_progress2006-04-01Life Sciences and Specialty MaterialsUSD 6 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Second quarter 2006 impairment charge related to manufacturing operations of Life Sciences and Specialty Materials segments; a $1M credit was also recorded for sale of a previously impaired asset. No employee count disclosed.
2006-09-30restructuringin_progress2006-07-01Life Sciences and Specialty MaterialsUSD 5 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Third quarter 2006 disinvestment plan for certain manufacturing operations; charge comprised of severance and curtailment costs. Credits of $1M (prior period severance) and $2M (sale of previously impaired assets) also recorded. No employee count disclosed.
2006-09-30restructuringin_progress2006-07-012007-12-31GlobalLife Sciences and Specialty MaterialsUSD 5 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Third quarter 2006 disinvestment plan for certain manufacturing operations. Charge comprised of severance and curtailment costs. Employee-related payments expected substantially complete by end of 2007.
2006-09-30restructuringin_progress2006-04-012007-12-31GermanyTelecommunicationsUSD 7 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		First quarter 2006 revision to existing restructuring plan for a German location. Employee-related payments expected substantially complete by end of 2007.
2006-06-30restructuringin_progress2007-12-31USD 7 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Employee-related costs for existing plans. Cash payments expected to be substantially complete by end of 2007. No specific employee count disclosed.
2006-06-30restructuringin_progress2010-12-31USD -1 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Other charges (credit) for existing plans. Cash payments expected to be substantially complete by end of 2010. No specific employee count disclosed.
2006-06-30restructuringin_progressGermanyTelecommunicationsUSD 7 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Revision to existing restructuring plan for a German location in the Telecommunications segment recorded in Q1 2006.
2006-03-31restructuringin_progress2007-12-31Employee related costsUSD 7 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Cash payments for employee related costs expected to be substantially complete by end of 2007. No employee count disclosed.
2006-03-31restructuringin_progress2010-12-31Other chargesUSD -1 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Cash payments for other charges expected to be substantially complete by end of 2010. No employee count disclosed.
2005-12-31restructuringin_progressGlobalTelecommunicationsUSD 30 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		2005 severance charge for a Telecommunications segment cost-reduction plan. Employee headcount not disclosed. Cash payments of $11M made in 2005; $36M reserve remaining at year-end. Cash payments for employee-related costs expected substantially complete by end of 2007.
2005-12-31restructuringin_progressGlobalUnallocated and OtherUSD -15 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Net credits to prior-year restructuring plans, primarily revisions related to the shutdown of Corning Asahi Video Products (CAV) and specialty materials business. Represents reversals of previously accrued reserves, not new workforce reductions.
2005-12-31restructuringcompleted2005GlobalTelecommunicationsUSD 30 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Severance costs for a restructuring plan in the Telecommunications segment to continue to reduce costs.
2005-12-31restructuringin_progressGlobalTelecommunicationsUSD 30 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		2005 severance charge for ongoing Telecommunications segment cost-reduction restructuring plan; employee count not disclosed. Cash payments for employee-related restructuring costs totaled $25 million in 2005.
2005-09-30restructuringin_progress3302005-07-012007-12-31TelecommunicationsUSD 30 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Approved in Q3 2005 to reduce costs in the Telecommunications segment; severance for approximately 330 people, none severed as of 2005-09-30. Cash payments for employee-related costs expected substantially complete by end of 2007. Related relocation, accelerated depreciation and shutdown costs to be expensed as incurred and not expected to be material.
2005-09-30restructuringin_progress2005-07-01Corporate / non-segment (Avanex investment)USD 25 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		YTD 2005 impairment charges for other-than-temporary declines in Avanex Corporation shares ($19M in Q1, $6M in Q2); no workforce impact disclosed. Included for completeness of the restructuring footnote.
2005-09-30restructuringin_progress3302005-09-302007-12-31TelecommunicationsUSD 30 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Approved in Q3 2005 to reduce costs. Charge comprised of severance costs. Cash payments substantially complete by end of 2007.
2005-06-30restructuringin_progress2005-12-31Employee related costsUSD 10 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Remaining reserve for employee related costs is $10 million; payments substantially complete by end of 2005. No specific headcount disclosed.
2005-06-30restructuringin_progress2008-12-31Other chargesUSD 56 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Remaining reserve for other charges is $56 million; payments substantially complete by end of 2008. No specific headcount disclosed.
2005-03-31restructuringin_progress2005-12-31USD 18 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Cash payments for employee related costs expected to be substantially complete by end of 2005. No specific headcount disclosed for current quarter activity.
2005-03-31restructuringin_progress2008-12-31USD 77 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Payments for exit activities expected to be substantially completed by end of 2008. No specific headcount disclosed.
2004-12-31divestiture_reductioncompleted2004-09-01United StatesTelecommunicationsUSD 14 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Sale of frequency controls business completed 2004-09-01 for net cash proceeds of $80M; loss on sale of $14M including $30M goodwill allocation. Business had 2003 annual sales of $76M. Headcount not disclosed.
2004-12-31plant_closurecompleted2004-12-31United States (South Carolina)Specialty Materials (semiconductor materials)USD 37 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Final shutdown of Charleston, SC semiconductor materials manufacturing facility; announced Q4 2003, completed during 2004. $37M accelerated depreciation recorded in 2004. Headcount not disclosed. Filing states no significant new restructuring actions were taken during 2004.
2004-12-31restructuringcompleted2004-01-012005-12-31WorldwideVariousUSD -6 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Net credit of $6 million recorded in 2004 related to adjustments to prior period restructuring plans. Cash payments for employee-related costs expected to be substantially completed by end of 2005.
2004-09-30restructuringcompleted1,9752004-09-30restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		All 1,975 employees from the 2003 restructuring plans had been separated as of September 30, 2004; announcement date not specified in this filing.
2004-09-30divestiture_reductioncompleted2004-09-01TelecommunicationsUSD 14 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Sale of frequency controls business completed September 1, 2004 for net cash proceeds of $80 million; $14 million loss recorded. Business had annual sales of $76 million. No employee headcount disclosed.
2004-09-30plant_closurein_progress2003-12-31United StatesSemiconductor MaterialsUSD 39 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Final shutdown of semiconductor materials manufacturing facility in Charleston, South Carolina, announced Q4 2003; $39 million accelerated depreciation and $1 million exit costs recorded in Q1 2004. No employee headcount disclosed.
2004-09-30restructuringcompleted1,975restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		All 1,975 employees from the 2003 restructuring plans have been separated as of September 30, 2004. Cash payments for employee related costs expected to be substantially complete by end of 2005.
2004-09-30restructuringin_progress2005-12-31USD 78 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Employee related costs charged in 2004. Payments expected to be substantially complete by end of 2005.
2004-09-30plant_closurecompleted2003-10-01Charleston, South CarolinaSemiconductor materials manufacturingUSD 1 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Final shutdown of semiconductor materials manufacturing facility announced in Q4 2003. $1 million exit costs and $39 million accelerated depreciation recorded in Q1 2004.
2004-09-30plant_closurecompletedState College, PennsylvaniaConventional cathode ray television glasslegal_proceedings
f5-10q / Qwen3.6-27B-Q8_0		CAV manufacturing facility closed in first half of 2003 due to declining sales.
2004-06-30restructuringcompleted1,9752004-06-30GlobalMultiple segments including Telecommunications and corporate staffrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		All 1,975 employees from the 2003 restructuring plans were separated as of June 30, 2004. Remaining reserve of $124 million for exit activities to be paid through end of 2007.
2004-06-30plant_closurecompleted2003-10-012004-03-31Charleston, South Carolina, United StatesSemiconductor MaterialsUSD 40 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		First quarter 2004: $39M accelerated depreciation and $1M exit costs for final shutdown of semiconductor materials facility announced in Q4 2003. Employee count not disclosed.
2004-06-30plant_closurecompleted2003-06-302004-07-31China (asset sale); facility in United StatesConventional Video Components (Corning Asahi Video Products Company)USD 25 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		CAV was 51%-owned affiliate manufacturing glass panels and funnels for tube TVs, shut down in 2003. Q2 2004 recorded $25M gain on sale of previously impaired assets; sale substantially completed July 2004 with $7M proceeds.
2004-06-30divestiture_reductionannounced2004-07-082004-09-30GlobalTelecommunications — Frequency Control businessUSD 25 (millions)subsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Sale of frequency control business announced July 8, 2004; 2003 annual sales were $76M. Pretax loss of approximately $25M expected. Headcount impact not disclosed.
2004-06-30restructuringcompleted1,9752005-12-31GlobalVarious (including Semiconductor Materials, Telecommunications, Conventional Video)USD 41 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		1,975 employees from 2003 restructuring plans have been separated as of June 30, 2004. Cash payments for employee related costs expected to be substantially complete by end of 2005. $41 million in cash payments for employee related costs made in the six months ended June 30, 2004.
2004-06-30restructuringcompleted2003-10-01Charleston, South CarolinaSemiconductor MaterialsUSD 39 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Final shutdown of semiconductor materials manufacturing facility. $39 million of accelerated depreciation and $1 million of exit costs recorded in Q1 2004.
2004-06-30plant_closurecompleted2003-06-01State College, PennsylvaniaConventional Video Components (CAV)other
f5-10q / Qwen3.6-27B-Q8_0		CAV manufacturing facility closed in first half of 2003 due to declining sales. Assets sold in Q2 2004.
2004-06-30divestiture_reductionannounced2004-07-082004-09-30Telecommunications (Frequency Control Business)USD 25 (millions)subsequent_events
f5-10q / Qwen3.6-27B-Q8_0		Sale of frequency control business announced July 8, 2004. Expected to close in Q3 2004 with pretax loss approximating $25 million.
2004-03-31restructuringin_progress1,9752005-12-31GlobalMultiple segmentsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		2003 restructuring plans; 1,850 of 1,975 employees separated as of 2004-03-31. Employee-related cash payments expected substantially complete by end of 2005; exit activity payments by end of 2006.
2004-03-31plant_closurein_progress2003-10-01Charleston, South Carolina, United StatesSemiconductor MaterialsUSD 40 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Final shutdown of semiconductor materials manufacturing facility; $39M accelerated depreciation plus $1M exit costs recorded in Q1 2004. Employee count not disclosed.
2004-03-31restructuringin_progress1252003-10-012005-12-31Charleston, South CarolinaSemiconductor MaterialsUSD 40 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Final shutdown of semiconductor materials manufacturing facility. 125 employees separated in Q1 2004 (1,850 of 1,975 total under 2003 plans separated). Charge includes $39M accelerated depreciation and $1M exit costs. Employee payments substantially complete by end of 2005.
2003-12-31restructuringin_progress1,9752003-01-012004-12-31GlobalMultiple segments including Telecommunications and TechnologiesUSD 41 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		2003 restructuring charges of $41M included $90M employee separation costs and $37M exit costs, offset by $86M credits to prior plans; ~1,600 of 1,975 separated by year-end, remainder expected by Dec 31, 2004
2003-12-31plant_closurecompleted2003-04-012003-06-30United States (Pennsylvania)Technologies — Conventional video components (Corning Asahi Video)USD 62 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		CAV shutdown agreed April 2003; assets written down to salvage value; CAV ceased operations June 30, 2003
2003-12-31divestiture_reductioncompleted2003-07-312003-07-31United States (New York and Massachusetts)Telecommunications — Photonic technologiesUSD 13 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Sale of photonic technologies assets to Avanex; approximately 400 employees became Avanex employees in Q3 2003
2003-12-31plant_closurein_progress2003-10-012004-03-31United States (South Carolina)Technologies — Specialty materials / semiconductor materialsUSD 12 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Charleston SC semiconductor materials facility closure by March 31, 2004; $12M accelerated depreciation recorded in 2003 with additional $36M expected in Q1 2004
2003-12-31plant_closurecompleted2003-01-012003-12-31United States (Massachusetts)Technologies — Specialty materials / semiconductor materialsUSD 11 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		North Brookfield semiconductor materials plant closure; $11M impairment charge
2003-12-31restructuringin_progress1,97520032004-12-31GlobalTelecommunications and TechnologiesUSD 41 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Includes shutdown of CAV, exit of photonics products, and shutdown of two specialty materials facilities. Approximately 1,600 separated by year-end; majority of remaining expected by Q1 2004.
2003-09-30restructuringin_progress9502004-06-30United StatesU.S. hourly positionsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Component of the aggregate 1,800-position reduction under the 2003 restructuring plans (950 U.S. hourly, 700 U.S. salaried, 150 non-U.S.). About 1,350 of the 1,800 had been separated as of 2003-09-30; remainder expected by 2004-06-30. Plans were announced at various dates during 2003 (e.g., optical switching 2003-02-13, CAV 2003-04-15).
2003-09-30restructuringin_progress7002004-06-30United StatesU.S. salaried positionsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Component of the 1,800-position reduction under the 2003 restructuring plans; severance and exit costs accrued in aggregate, not allocated by component.
2003-09-30restructuringin_progress1502004-06-30Non-U.S.Non-U.S. positionsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Component of the 1,800-position reduction under the 2003 restructuring plans.
2003-09-30restructuringin_progress7,1002003-12-31Telecommunications segment and corporate research and administrative staffsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		2002 restructuring plans, still executing: approximately 6,700 of the 7,100 employees had been separated as of 2003-09-30; the remainder was expected to be separated by 2003-12-31.
2003-09-30divestiture_reductioncompleted4002003-07-312003-07-31United States and ItalyTelecommunications — photonic technologiesUSD 13 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Sale of photonic technologies assets to Avanex completed 2003-07-31; approximately 400 employees became Avanex employees. Associated $13 million pre-tax loss on sale ($9 million after-tax); Corning also paid Avanex $22 million cash.
2003-09-30plant_closurecompleted2003-04-152003-06-30United States (State College, Pennsylvania)Technologies — conventional video components (CAV)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Agreement with partner to cease CAV production announced 2003-04-15; operations closed 2003-06-30. No CAV-specific headcount disclosed; separations are included within the 1,800-position 2003 plans total. Related charges: $62 million asset impairment (Q1) and $54 million restructuring (Q2).
2003-09-30plant_closureannounced2003-12-31United States (Bedford, Massachusetts)Telecommunications — photonic technologies (pump laser facility)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Pump laser facility to be closed by year-end 2003; manufacturing pump lasers for Avanex during Q4 2003 before closure. No employee count disclosed.
2003-09-30restructuringcompleted2003-02-13Telecommunications — photonic technologies (optical switching product line)USD 13 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Discontinuance of the optical switching product line announced 2003-02-13; $17 million total charge comprising $13 million employee separation costs and $4 million equipment impairments. Employee count not disclosed; included within the 1,800-position 2003 plans total.
2003-09-30restructuringin_progress1,8002003-01-012004-06-30GlobalVarious (Telecommunications, Technologies, Corporate)USD 117 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		2003 restructuring plans affecting 1,800 positions (950 U.S. Hourly, 700 U.S. Salaried, 150 Non-U.S.). As of Sept 30, 2003, approx 1,350 separated. Remaining reserve $214M. Completion expected by mid-2004 for employee costs, 2005 for exit activities.
2003-09-30plant_closurecompleted4002003-07-312003-07-31United States, ItalyPhotonic TechnologiesUSD 13 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Sale of photonic technologies assets to Avanex. Approx 400 employees became Avanex employees. Loss on sale of $13M recorded.
2003-09-30plant_closurein_progress2003-04-152003-12-31United StatesConventional Video Components (CAV)USD 62 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Ceased production of conventional video components. Impairment charge of $62M. Operations closed June 30, 2003 per MD&A.
2003-06-30restructuringin_progress950United StatesU.S. Hourlyrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Component of the 1,700-position reduction under 2003 restructuring plans; approximately 1,100 of 1,700 total separations completed as of 2003-06-30. Severance payments for employee-related costs expected substantially complete by mid-2004.
2003-06-30restructuringin_progress600United StatesU.S. Salariedrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Component of the 1,700-position reduction under 2003 restructuring plans; approximately 1,100 of 1,700 total separations completed as of 2003-06-30.
2003-06-30restructuringin_progress150Non-U.S.restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Component of the 1,700-position reduction under 2003 restructuring plans; approximately 1,100 of 1,700 total separations completed as of 2003-06-30.
2003-06-30restructuringin_progress7,1002002-04Primarily Telecommunications segment; corporate research and administrative staffsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Approximately 6,600 of the 7,100 employees under the 2002 plans had been separated as of 2003-06-30. Intent announced April 2002; a related 2002 action eliminated approximately 3,600 positions in Telecommunications and corporate research/administrative staffs.
2003-06-30plant_closurein_progress2003-04-15Technologies — conventional video components business (CAV)USD 54 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Production ceased at the 51%-owned CAV subsidiary; Q2 charge of $54M ($15M after-tax and minority interest) covering $18M separation, $19M exit costs, $17M pension/retirement curtailments. Q1 charge of $62M impaired long-lived assets to salvage value. Cash restructuring spend of $45M–$60M expected; asset sale to Henan Anyang CPT Glass Bulb Group signed in June 2003 may offset much of it. Employee counts not disclosed.
2003-06-30restructuringin_progress2003-05-12United States; ItalyTelecommunications — photonic technologies businessUSD 33 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Exit of photonic technologies business; Q2 charge of $33M ($22M after-tax) including $7M separation, $14M exit costs, $7M benefit-plan curtailments, $5M asset impairment. Employee counts not disclosed.
2003-06-30divestiture_reductioncompleted4002003-05-122003-07-31United States; ItalyTelecommunications — photonic technologies (Erwin, NY and Milan, Italy sites)subsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Sale of photonic technologies assets to Avanex Corporation closed 2003-07-31; approximately 400 employees transitioned to Avanex. Corning also paid Avanex $20M cash; stock received valued at approximately $85M.
2003-06-30plant_closureannounced2003-12-31United StatesTelecommunications — photonic technologies, pump laser facilityMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Corning expects to close the Bedford, MA pump laser facility by the end of 2003. Employee count not disclosed.
2003-06-30restructuringcompleted2003-02-13Telecommunications — optical switching product line (photonic technologies)USD 17 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Discontinuance of the optical switching product line; $17M charge ($11M after-tax) comprising $13M employee separation costs and $4M equipment impairment, recorded in Q1 2003. Employee count not disclosed.
2003-06-30restructuringin_progressTelecommunications businesses and administrative staffsUSD 38 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Q2 charges of $38M ($25M after-tax) including $17M employee separation, $2M benefit curtailments and $19M impairments of assets held for sale or abandonment. Employee count not disclosed.
2003-06-30restructuringin_progress1,7002003-02-13GlobalTelecommunications, Technologies, CorporateUSD 100 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		2003 restructuring plans announced in Q1/Q2. Includes 950 U.S. Hourly, 600 U.S. Salaried, 150 Non-U.S. positions. As of June 30, 2003, approx. 1,100 of 1,700 employees separated. Net pre-tax charge of $100M for six months ended June 30, 2003.
2003-06-30plant_closurein_progress2003-04-15JapanTechnologies (Conventional Video Components)USD 62 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Agreement to cease production at Corning Asahi Video Products Company (CAV). $62M impairment charge recorded in Q1. Additional $54M restructuring charge in Q2. Specific headcount for CAV closure not isolated from total 2003 plan.
2003-06-30restructuringin_progress2003-05-12United States, ItalyTelecommunications (Photonic Technologies)USD 33 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Agreement to sell photonic technologies business to Avanex. $33M charge in Q2 for exit costs, employee separation, and asset impairment. Approx. 400 employees to transition to Avanex upon closing (July 31, 2003).
2003-06-30restructuringcompleted7,1002002-04-01GlobalTelecommunications, Corporaterestructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		2002 restructuring plans. As of June 30, 2003, approximately 6,600 of 7,100 employees had been separated. No new charges recorded in Q2 2003 for this specific plan, only credits/reversals.
2003-03-31restructuringin_progress7,100GlobalMultiple segmentsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		2002 restructuring plans: approximately 6,200 of 7,100 employees separated as of 2003-03-31 per MD&A; the footnote states the same figures as of 2002-03-31 (apparent date discrepancy in filing).
2003-03-31restructuringin_progress25United StatesU.S. Hourlyrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Headcount reduction table not explicitly period-labeled; appears to relate to 2003 restructuring plans.
2003-03-31restructuringin_progress175United StatesU.S. Salariedrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Headcount reduction table not explicitly period-labeled; appears to relate to 2003 restructuring plans.
2003-03-31restructuringin_progress2003-02-13GlobalTelecommunications — Photonic technologies (optical switching product line)USD 17 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Q1 charge of $17M ($11M after-tax) comprising $13M employee separation and $4M equipment impairment; additional $10M exit costs expected in Q2 2003. No employee count disclosed.
2003-03-31plant_closureannounced2003-04-15GlobalTechnologies — Conventional video components (Corning Asahi Video Products, CAV)USD 62 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Cessation of production announced 2003-04-15 (post-quarter). Q1 impairment of $62M ($19M after-tax and minority interest); Q2 restructuring costs of $80M–$110M expected, requiring $40M–$65M cash. No employee count disclosed; $31M of Q1 minority interest related to CAV impairments.
2003-03-31restructuringin_progress2002003-03-31United StatesVariousrestructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Headcount reduction of 25 U.S. Hourly and 175 U.S. Salaried employees. Part of ongoing 2002 plans; 6,200 of 7,100 employees separated as of March 31, 2003.
2003-03-31restructuringin_progress2003-02-13TelecommunicationsUSD 17 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Discontinuance of optical switching product line. Charge includes $13 million for employee separation costs and $4 million for asset impairments.
2003-03-31plant_closureannounced2003-04-15TechnologiesUSD 62 (millions)subsequent_events
f5-10q / Qwen3.6-27B-Q8_0		Cessation of Corning Asahi Video Products Company (CAV) operations. $62 million impairment charge recorded. Additional restructuring costs of $80-$110 million expected in Q2.
2002-12-31restructuringin_progress1,65020022003-12-31United StatesU.S. hourly positions — Telecommunications Segment and corporate research and administrative staffsrestructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Sub-component of the 7,100-position 2002 program; program-level restructuring charge was $447 million, including $376 million of employee separation costs, not allocated by category. About 5,100 of 7,100 separations completed by 2002-12-31.
2002-12-31restructuringin_progress2,95020022003-12-31United StatesU.S. salaried positions — Telecommunications Segment and corporate research and administrative staffsrestructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Sub-component of the 7,100-position 2002 program; program-level restructuring charge was $447 million, including $376 million of employee separation costs, not allocated by category. Majority of remaining separations expected by end of Q1 2003.
2002-12-31restructuringin_progress2,50020022003-12-31InternationalNon-U.S. positions — Telecommunications Segment and corporate research and administrative staffsrestructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Sub-component of the 7,100-position 2002 program; program-level restructuring charge was $447 million, including $376 million of employee separation costs, not allocated by category.
2002-12-31plant_closurein_progress20022003-12-31United StatesTelecommunications — optical fiber (Concord, NC)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Facility mothballed rather than permanently closed; can be returned to productive capacity within six to nine months. Associated workforce reduction is included within the 7,100-position program; site headcount not separately disclosed.
2002-12-31plant_closurecompleted20022002-12-31AustraliaTelecommunications — optical fiber (Noble Park, Victoria)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Permanent closure of optical fiber manufacturing facility; associated workforce reduction included within the 7,100-position program, site headcount not separately disclosed.
2002-12-31plant_closurecompleted20022002-12-31GermanyTelecommunications — optical fiber (Neustadt bei Coburg)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Permanent closure of optical fiber manufacturing facility; associated workforce reduction included within the 7,100-position program, site headcount not separately disclosed.
2002-12-31plant_closurecompleted20022002-12-31United StatesTelecommunications — photonic technologies thin film filter manufacturing (Marlborough, MA)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Permanent closure; associated workforce reduction included within the 7,100-position program, site headcount not separately disclosed.
2002-12-31divestiture_reductioncompleted2002-05-312002-05-31United StatesTelecommunications — controls and connectors (appliance controls group)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Sale completed in May 2002 with proceeds of $30 million and a pre-tax loss of about $16 million; headcount transferred not disclosed. Announcement month only is stated in the filing.
2002-12-31divestiture_reductioncompleted2002-12-132002-12-13United StatesPrecision lens business (Cincinnati, OH) — reported as discontinued operationsdiscontinued_operations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Sale to 3M for cash proceeds up to $850 million; employees of discontinued operations are excluded from the reported total headcount of 23,200. Headcount transferred not disclosed.
2002-12-31acquisition_additioncompleted2002-09-302002-09-30ChinaTelecommunications — optical fiber and cable (Lucent Technologies Shanghai and Beijing joint ventures)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquisition of 56% of Shanghai fiber optic and 68% of Beijing fiber cable ventures from Lucent for $198 million; acquired headcount not disclosed. Month only is stated in the filing.
2002-12-31restructuringannounced2003-022003-03-31United StatesTelecommunications — photonic technologies (optical switching product line)subsequent_events
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Post-year-end announcement (February 2003) to close the optical switching product line, with expected pre-tax severance and cash exit charges of $20 million to $30 million in Q1 2003; employees affected not disclosed. Filing also notes a complete abandonment of remaining photonic product lines could cost $70 million to $80 million pre-tax.
2002-12-31restructuringin_progress7,10020022003-12-31WorldwideTelecommunications Segment and corporate research and administrative staffsUSD 447 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Includes employee separation costs of $376 million and other exit costs of $85 million. Approximately 5,100 of 7,100 employees separated by Dec 31, 2002. Majority expected separated by end of Q1 2003.
2002-09-30restructuringin_progress3,6002002-04-012003-09-30Worldwide (850 U.S. hourly, 1,800 U.S. salaried, 950 non-U.S.)Telecommunications Segment and corporate research and administrative staff organizationsUSD 204 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Includes $192M employee separation costs and $12M exit costs; intent announced April 2002.
2002-09-30restructuringin_progress1,0002002-07-012003-09-30Worldwide (200 U.S. hourly, 350 U.S. salaried, 450 non-U.S.)Telecommunications Segment and corporate research and administrative staff organizationsUSD 58 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Includes $47M employee separation costs and $11M exit costs. Combined Q2+Q3 program totals 4,600 positions, of which 3,000 were separated at 2002-09-30; remaining 1,600 expected separated by 2003-09-30.
2002-09-30restructuringannounced2,2002002-10-302003-03-31Worldwide (Australia, Germany, United States, and other cabling/hardware locations)Telecommunications Segment — optical fiber, cabling and hardware/equipment, photonic technologiesUSD 600 (millions)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Pre-tax charge expected to approximate $550M to $650M (midpoint shown); approximately one quarter paid in cash. Includes permanent closure of Noble Park, Australia and proposed closure of Neustadt Bei Coburg, Germany plants, mothballing of Concord, NC, and closure of Marlborough, MA thin film filter facility.
2002-09-30restructuringin_progress12,0002001-07-012002-12-31WorldwideAll operating segments, primarily Telecommunications and Advanced MaterialsUSD 961 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Prior-year program still winding down: approximately 11,800 of 12,000 employees separated as of 2002-09-30; remaining 200 expected separated by 2002-12-31. Charge includes $419M restructuring and $542M plant/equipment impairment.
2002-09-30divestiture_reductioncompleted2002-05-012002-05-31Telecommunications Segment — appliance controls group (controls and connectors business)USD 16 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Sale completed May 2002; headcount transferred not disclosed. Loss of approximately $16M pre-tax ($10M after-tax).
2002-09-30acquisition_additioncompleted2002-09-302002-09-30China (Shanghai and Beijing)Telecommunications Segment — optical fiber and fiber cable manufacturingbusiness_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Acquisition of 56% interest in Lucent Technologies Shanghai Fiber Optic and 68% interest in Lucent Technologies Beijing Fiber Optic Cable; headcount added not disclosed.
2002-09-30restructuringin_progress1,0002002-07-012003-09-30WorldwideTelecommunications Segment and corporate research and administrative staffsUSD 58 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Third quarter 2002 action. Includes 47 million employee separation costs and 11 million exit costs. Remaining 1,600 employees from Q2/Q3 actions expected separated by Sept 30, 2003.
2002-09-30restructuringannounced2,2002002-10-302003-03-31WorldwideTelecommunications SegmentUSD 600 (millions)subsequent_events
f5-10q / Qwen3.6-27B-Q8_0		Fourth quarter 2002 action announced Oct 30, 2002. Pre-tax charge expected to approximate $550 million to $650 million. Includes closure of Noble Park, Australia and Neustadt Bei Coburg, Germany plants; mothballing of Concord, NC facility.
2002-06-30restructuringin_progress8502002-04-15United StatesTelecommunications Segment and corporate research and administrative staffsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		U.S. hourly positions under the second-quarter charge. Intent announced April 2002 (8-K filed 2002-04-15). Phase employee-related charge $192M and total pre-tax Q2 charges $494M are not allocated by category. 1,600 of 3,600 total separated at 2002-06-30. MD&A calls the 3,600 salaried, while the table includes hourly.
2002-06-30restructuringin_progress1,8002002-04-15United StatesTelecommunications Segment and corporate research and administrative staffsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		U.S. salaried positions under the second-quarter charge; phase charge not allocated by category. 1,600 of 3,600 total separated at 2002-06-30.
2002-06-30restructuringin_progress9502002-04-15Non-U.S.Telecommunications Segment and corporate research and administrative staffsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Non-U.S. positions under the second-quarter charge; phase charge not allocated by category. 1,600 of 3,600 total separated at 2002-06-30.
2002-06-30restructuringannounced1752002-04-15United StatesTelecommunications Segment and corporate research and administrative staffsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		U.S. hourly positions in the anticipated third-quarter charge; recognition conditions not met at 2002-06-30. Estimated Q3 costs of $125M–$150M include fixed-asset write-offs and are not allocated by category.
2002-06-30restructuringannounced2252002-04-15United StatesTelecommunications Segment and corporate research and administrative staffsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		U.S. salaried positions in the anticipated third-quarter charge; recognition conditions not met at 2002-06-30.
2002-06-30restructuringannounced4002002-04-15Non-U.S.Telecommunications Segment and corporate research and administrative staffsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Non-U.S. positions in the anticipated third-quarter charge, relating mainly to facility closures outside the U.S. and early retirement programs; conditions for recognition not met at 2002-06-30.
2002-06-30restructuringin_progress4002002-12-31Worldwide (primarily United States)Telecommunications and Advanced Materials Segmentsrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Remaining positions from the 2001 program (announced July and October 2001; exact dates not stated). Program eliminated ~12,000 positions with a $961M pre-tax charge; ~11,600 separated at 2002-06-30, balance expected by 2002-12-31. Cash payments of $99M made in 1H 2002.
2002-06-30divestiture_reductioncompletedControls and connectors business — Telecommunications SegmentUSD 16 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Sale of the appliance controls group completed May 2002; $24M cash and $6M notes received; $16M pre-tax loss ($10M after-tax). Headcount removed not disclosed.
2002-06-30othercompleted12002-04-122002-05-01United StatesOffice of the Chief Executive Officerother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		President and CEO resigned 2002-04-12 and retired 2002-05-01. Lump-sum payments of $5,242,500 (3 years salary/target bonus/GoalSharing) and $660,000, plus a $925,000 annual single-life pension with six-year certain and 60,000 restricted shares vesting at retirement.
2002-06-30restructuringin_progress3,6002002-04-012002-12-31WorldwideTelecommunications Segment and corporate research and administrative staffsUSD 199 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Second quarter charge entails elimination of approx. 3,600 positions. Includes 850 U.S. Hourly, 1,800 U.S. Salaried, and 950 Non-U.S. positions. 1,600 separated as of June 30, 2002. Additional 800 positions anticipated for third quarter charge.
2002-06-30restructuringin_progress8002002-04-012002-12-31WorldwideTelecommunications Segment and corporate research and administrative staffsrestructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Anticipated third quarter headcount reduction: 175 U.S. Hourly, 225 U.S. Salaried, 400 Non-U.S. Charges to be recorded in Q3 as conditions not satisfied at June 30.
2002-06-30restructuringin_progress4002001-07-012002-12-31WorldwideAll operating segmentsrestructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Remaining employees from 2001 restructuring program (total 12,000 announced). 11,600 separated as of June 30, 2002. Remaining 400 expected to be separated by Dec 31, 2002.
2002-03-31restructuringin_progress12,0002001-07-012002-09-30GlobalAll segments; primarily Telecommunications and Advanced Materials (photonic technologies, hardware and equipment, optical fiber and cable)USD 961 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Program announced in July and October 2001; includes closure of seven major manufacturing facilities, discontinuation of Corning Microarray Technology, and elimination of ~12,000 positions. Approximately 10,800 employees separated as of 2002-03-31; remaining ~1,200 expected separated by 2002-09-30. Pre-tax charge of $961M ($590M after-tax and minority interest) for FY2001, comprising $419M restructuring costs and $542M plant/equipment impairment; about one third payable in cash. Restructuring reserve balance of $218M at 2002-03-31 after $58M cash payments in Q1 2002.
2002-03-31restructuringannounced4,0002002-04-152002-09-30GlobalCompanywide; actions include workforce reductions, organizational consolidations, plant and research facility closures, and divestituresUSD 600 (millions)subsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Announced 2002-04-15, after quarter end. Estimated pre-tax charges in the range of $600M over Q2 and Q3 2002; approximately 40% expected to be paid in cash. Approximately 4,000 positions may be eliminated. Management states these actions are necessary to return to profitability in 2003. Charges may also include impairment of fixed assets and cost/equity investments; potential intangible write-offs would be incremental to the $600M estimate.
2002-03-31restructuringin_progress1,2002001-07-012002-09-30GlobalAll operating segmentsrestructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Remaining 1,200 employees from the 12,000 total approved in 2001 to be separated by Sept 30, 2002. 10,800 already separated as of March 31, 2002.
2002-03-31restructuringannounced4,0002002-04-152002-09-30GlobalCompanywideUSD 600 (millions)subsequent_events
f5-10q / Qwen3.6-27B-Q8_0		Announced April 15, 2002. Estimated pre-tax charges of $600 million. Charges incurred over Q2 and Q3 2002.
2001-12-31restructuringcompleted3,300Photonic technologies; hardware and equipmentrestructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		First quarter of 2001; exact announcement date not disclosed. Reductions were mostly hourly production workers and resulted in minimal severance charges.
2001-12-31restructuringcompleted1,0002001-04Photonic technologiesUSD 8 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		April 2001 workforce reduction covering both hourly and salaried employees; charge was $5 million after-tax.
2001-12-31plant_closurein_progress800United StatesPhotonic technologiesrestructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Third quarter of 2001 closure of three photonic technologies plants (Benton Township PA, Nashua NH, Henrietta NY). Combined with the optical fiber and cable action below, the third-quarter charge was $339 million ($103 million restructuring, $236 million plant and equipment impairment; $222 million after-tax).
2001-12-31restructuringin_progress2,900WorldwideOptical fiber and cablerestructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Third quarter of 2001; combined a voluntary early retirement program with involuntary separations. Shared third-quarter charge of $339 million with the photonic technologies facility closures.
2001-12-31restructuringin_progress4,000All businesses, research and staff organizationsUSD 614 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Fourth quarter of 2001; included closure or consolidation of several plants and smaller businesses across all segments, discontinuation of the Corning Microarray Technology initiative, and a selective voluntary early retirement program. Charge comprised $308 million restructuring and $306 million plant and equipment impairment ($363 million after-tax and minority interest).
2001-12-31plant_closureannouncedUnited KingdomOptical fiber and cableMD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Permanent closure of optical fiber operations in Deeside, North Wales announced in response to reduced fiber demand; no headcount or date disclosed. May be encompassed within the third/fourth quarter restructuring actions.
2001-12-31plant_closureannouncedCanadaOptical fiber and cableMD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Permanent closure of cabling operations in Saskatoon announced alongside the Deeside closure; no headcount or date disclosed. May be encompassed within the third/fourth quarter restructuring actions.
2001-12-31plant_closureannouncedUnited StatesAdvanced Materials — lighting and tubingMD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Shutdown of manufacturing facilities in Greenville, OH and Corning, NY announced as part of the planned 2002 exit from the lighting and tubing businesses; no headcount or date disclosed.
2001-12-31acquisition_additioncompleted2001-03Advanced Materials — precision optics and metrologyUSD 160 (millions)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquisition of Tropel Corporation completed March 2001 for $160 million in cash and stock; acquired headcount not disclosed. Charge value is the purchase price, not a workforce charge.
2001-12-31acquisition_additionannounced2001-07-24ChinaTelecommunications — optical fiber and cableUSD 225 (millions)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Agreement to acquire Lucent Technologies' controlling interests in Shanghai Fiber Optic Co. and Beijing Fiber Optic Cable Co.; expected to close in the first half of 2002 subject to approvals. Acquired headcount not disclosed; charge value is the purchase price.
2001-12-31restructuringcompleted12,0002001-01-012001-12-31GlobalAll segmentsUSD 961 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Total pre-tax charge of $961 million including $419 million restructuring charge and $542 million impairment. Approximately 10,100 of 12,000 employees separated by year-end.
2001-12-31plant_closurecompleted2001-01-012001-12-31GlobalTelecommunications and Advanced MaterialsMD&A
f5-10k / Qwen3.6-27B-Q8_0		Closure of seven major manufacturing facilities as part of restructuring actions.
2001-12-31restructuringcompleted3,3002001-03-312001-12-31Primarily United StatesTelecommunications — photonic technologies and hardware/equipment businessesrestructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		First-quarter 2001 workforce reduction; mostly hourly production workers with minimal severance charges. Exact announcement date not disclosed; quarter-end used as proxy.
2001-12-31reduction_in_forcecompleted1,0002001-04-302001-12-31Primarily United StatesTelecommunications — photonic technologiesUSD 8 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		April 2001 additional workforce reduction including both hourly and salaried employees. Charge of $8M ($5M after-tax).
2001-12-31plant_closurecompleted8002001-09-302001-12-31United StatesTelecommunications — photonic technologiesUSD 339 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Closure of three manufacturing facilities (Benton Park PA, Nashua NH, Henrietta NY). Combined Q3 charge of $339M ($222M after-tax) covers both this action and the optical fiber/cable reduction; includes $103M restructuring and $236M plant/equipment impairment.
2001-12-31restructuringcompleted2,9002001-09-302001-12-31WorldwideTelecommunications — optical fiber and cableUSD 339 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Third-quarter elimination of ~2,900 positions worldwide including voluntary early retirement program and involuntary separations. Combined Q3 charge of $339M covers both this action and the photonic technologies plant closures.
2001-12-31restructuringin_progress4,0002001-12-31WorldwideAll segments — businesses, research and staff organizationsUSD 614 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Fourth-quarter program including closure/consolidation of manufacturing locations across all segments, discontinuation of Corning Microarray Technology products, and ~4,000 headcount reduction. Charge of $614M ($363M after-tax) includes $308M restructuring and $306M plant/equipment impairment. Includes selective voluntary early retirement program. As of 2001-12-31, approximately 10,100 of 12,000 total positions had been separated.
2001-09-30plant_closurecompleted8002001-09-30United StatesTelecommunications Segment — photonic technologiesrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Three photonic technologies manufacturing facilities closed at end of Q3 2001; no specific announcement date stated. Program-level Q3 charge of $339M ($103M restructuring plus $236M PP&E impairment) not allocated between sub-components.
2001-09-30restructuringcompleted2,9002001-08-292001-12-31WorldwideTelecommunications Segment — fiber and cable businessrestructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Announcement date inferred from Form 8-K dated August 29, 2001 regarding optical fiber workforce reduction. Action included a voluntary early retirement program; approximately 2,500 of the 3,700 total Q3 positions had been separated by September 30, 2001. Program-level Q3 charge of $339M not allocated between sub-components.
2001-09-30restructuringcompleted4,3002001-06-30Primarily United StatesPhotonic technologies and hardware/equipment businessesUSD 8 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		First-half 2001 actions: approximately 3,300 positions reduced in Q1 and about 1,000 more in April, with minimal severance costs; $8M charge ($5M after tax) recorded in Q2 2001.
2001-09-30restructuringannounced4,0002001-10-032001-12-31WorldwideAll businesses, research and staff organizations; Telecommunications and Advanced Materials Segmentssubsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Post-quarter announcement of pre-tax charges in the range of $550M to $650M; includes plant closings/consolidations, discontinuation of the Corning Microarray Technology initiative (announced October 18, 2001), and a voluntary early retirement offer. Brings expected full-year 2001 positions eliminated to approximately 12,000.
2001-09-30restructuringin_progress3,7002001-09-302001-12-31WorldwideTelecommunications SegmentUSD 103 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Includes 2,350 hourly and 1,350 salaried employees. $103M restructuring charge plus $236M PP&E impairment. 2,500 separated as of Sept 30.
2001-09-30restructuringin_progress4,3002001-06-302001-06-30WorldwidePhotonic technologies and hardware/equipmentUSD 8 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Eliminated positions in first half of 2001 with minimal costs.
2001-09-30restructuringannounced4,0002001-10-032001-12-31WorldwideTelecommunications and Advanced Materials SegmentsUSD 600 (millions)subsequent_events
f5-10q / Qwen3.6-27B-Q8_0		Expected additional charges in range of $550M to $650M. Includes voluntary early retirement and plant closures.
2001-06-30restructuringcompleted3,3002001-03-31United StatesPhotonic technologies; hardware and equipmentMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		First-quarter reduction of roughly 3,300 permanent and temporary employees, mostly hourly production workers, with minimal severance charges. The hardware and equipment business separately reports a cumulative reduction of about 1,175 hourly employees to date, which overlaps this figure.
2001-06-30reduction_in_forcecompleted1,0002001-04-30United StatesPhotonic technologiesUSD 8 (millions)MD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		April 2001 workforce reduction of about 1,000 positions, hourly and salaried; charge was $8 million pre-tax ($5 million after tax).
2001-06-30restructuringannounced1,0002001-07-092001-12-31United StatesPhotonic technologiesUSD 350 (millions)subsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Announced July 9, 2001 downsizing; expected third-quarter pre-tax charge of $300-400 million (midpoint shown), predominantly noncash (up to 75%), shared with the plant-closure record below. Photonic technologies separately reports a cumulative reduction of about 3,500 positions through July 31, 2001, which overlaps these discrete actions.
2001-06-30plant_closureannounced2001-07-092001-12-31United StatesPhotonic technologiesUSD 350 (millions)subsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Three plants to close by end of 2001: Benton Park (Benton Township, PA), Corning Lasertron (Nashua, NH), Corning NetOptix (Natick, MA). Charge is the same $300-400 million program total as the adjacent record; no separate employee count given for the closures.
2001-06-30restructuringin_progress5252001-12-31United StatesControls and connectorsMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Business reduced its workforce by about 525 employees during 2001 in response to revenue forecasts; no separate charge disclosed.
2001-06-30restructuringcompleted3,3002001-01-012001-03-31GlobalPhotonic technologies and hardware and equipmentMD&A
f5-10q / Qwen3.6-27B-Q8_0		First quarter reduction of approx. 3,300 permanent and temporary employees. Mostly hourly production workers; resulted in minimal severance charges.
2001-06-30restructuringcompleted1,0002001-04-012001-06-30GlobalPhotonic technologiesUSD 8 (millions)MD&A
f5-10q / Qwen3.6-27B-Q8_0		April reduction of approx. 1,000 positions including hourly and salaried employees. Resulted in $8 million pre-tax restructuring charge.
2001-06-30restructuringcompleted1,1752001-01-012001-06-30GlobalTelecommunications hardware and equipmentMD&A
f5-10q / Qwen3.6-27B-Q8_0		Reduced hourly workforce by approx. 1,175 employees to date.
2001-06-30restructuringcompleted3,5002001-01-012001-07-31GlobalPhotonic technologiesMD&A
f5-10q / Qwen3.6-27B-Q8_0		Business reduced workforce through July 31, 2001 by approx. 3,500 employees (hourly, salaried, temporary). Note: This figure likely overlaps with the Q1/Q2 specific reductions mentioned elsewhere.
2001-06-30restructuringcompleted5252001-01-012001-06-30GlobalControls and connectorsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Business reduced workforce by approx. 525 employees this year.
2001-06-30plant_closureannounced1,0002001-07-092001-12-31United StatesPhotonic technologiesUSD 350 (millions)subsequent_events
f5-10q / Qwen3.6-27B-Q8_0		Announced July 9, 2001. Closing three manufacturing plants (Benton Township PA, Nashua NH, Natick MA) and eliminating approx. 1,000 positions. Expected pre-tax charge $300-400 million.
2001-03-31restructuringcompleted3,3002001-03-31GlobalPrimarily photonic technologies and hardware and equipment businessesMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Reduction of approximately 3,300 permanent and temporary employees through the end of Q1 2001, mostly hourly production workers, with minimal severance charges. Segment detail disclosed elsewhere: photonic technologies ~2,500 employees through April 30, 2001; hardware and equipment ~1,175 hourly employees to date; controls and connectors ~525 employees this year (cumulative YTD figures that overlap this record and the April announcement below).
2001-03-31reduction_in_forceannounced1,0002001-04-01GlobalPhotonic technologiesMD&A
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Announced in April 2001 (post-quarter), covering both hourly and salaried positions. Filer also states a possible restructuring charge may be recorded in Q2 2001; no charge amount quantified.
2001-03-31restructuringcompleted3,3002001-03-312001-03-31GlobalPhotonic technologies and hardware and equipment businessesMD&A
f5-10q / Qwen3.6-27B-Q8_0		Reduction of permanent and temporary employees, mostly hourly production workers, resulting in minimal severance charges.
2001-03-31restructuringannounced1,0002001-04-01GlobalPhotonic technologiesMD&A
f5-10q / Qwen3.6-27B-Q8_0		Announced in April; includes both hourly and salaried employees.
2001-03-31restructuringcompleted1,1752001-03-312001-03-31GlobalTelecommunications hardware and equipmentMD&A
f5-10q / Qwen3.6-27B-Q8_0		Reduction of hourly workforce to date.
2001-03-31restructuringcompleted2,5002001-04-302001-04-30GlobalPhotonic technologiesMD&A
f5-10q / Qwen3.6-27B-Q8_0		Includes hourly, salaried, and temporary positions.
2001-03-31restructuringcompleted5252001-03-312001-03-31GlobalControls and connectorsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Workforce reduction in response to current revenue forecasts.
2000-12-31acquisition_additioncompleted2000-12-122000-12-12Italy / GlobalTelecommunicationsUSD 323 (millions)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquisition of Pirelli's optical components business for ~$3.6B cash plus 5,473,684 shares; headcount not disclosed
2000-12-31acquisition_additioncompleted2000-02-022000-02-02GlobalTelecommunicationsbusiness_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquired Siemens AG worldwide optical cable and hardware business and remaining 50% of Siecor for $1.4B; headcount not disclosed
2000-12-31acquisition_additioncompleted2000-05-122000-05-12United StatesTelecommunicationsbusiness_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquired for 33,719,067 shares (~$2.1B); thin film filter manufacturer; headcount not disclosed
2000-12-31acquisition_additioncompleted2000-06-122000-06-12United StatesTelecommunicationsUSD 7 (millions)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquired remaining 67% interest for 6,050,259 shares (~$410M); MEMS device manufacturer; headcount not disclosed
2000-12-31acquisition_additioncompleted2000-05-052000-05-05United StatesTelecommunicationsUSD 44 (millions)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquired remaining 84% interest; photonic components developer; headcount not disclosed
2000-12-31acquisition_additioncompleted2000-01-282000-01-28United StatesTelecommunicationsUSD 47 (millions)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Pooling of interests merger; 44,293,491 shares issued; one-time acquisition costs of $47.0M including ~$17M severance for Oak corporate officers and headquarters employees
2000-12-31acquisition_additioncompleted2000-10-102000-10-10United StatesTelecommunicationsbusiness_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquired for ~$85M cash; telecom enclosure manufacturer; headcount not disclosed
2000-12-31acquisition_additioncompleted2000-02-142000-02-14United KingdomTelecommunicationsUSD 42 (millions)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquired British Telecommunication's PTRC for ~$66M cash; headcount not disclosed
2000-12-31divestiture_reductioncompleted2000-01-312000-01-31United StatesAdvanced Materialsbusiness_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Sold to Severn Trent Laboratories for $35M; results of operations not material; headcount not disclosed
2000-12-31restructuringcompleted6501998-06-301999-06-30United StatesCorporate / MultipleUSD 85 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Program initiated Q2 1998; all 650 employees terminated by June 30, 1999; all payments completed by Dec 31, 2000; annualized savings ~$30M after taxes; no FY2000 activity
2000-12-31othercompleted2000-04-16United StatesAdvanced Materials (PCC joint venture)USD 36 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		PCC filed Chapter 11 on April 16, 2000; Corning impaired entire $36.3M after-tax investment; ~12,400 asbestos claims against Corning stayed; headcount impact not disclosed
2000-12-31restructuringcompleted6501998-06-301999-06-30GlobalCorporate and Operating SegmentsUSD 85 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Program initiated in Q2 1998 involving early retirement incentives and severance for non-union employees. All employees terminated by June 30, 1999. Reserves released in Q4 1999 as costs were less than anticipated. All payments made by Dec 31, 2000.
2000-09-30restructuringcompleted2000-01-28United StatesCorporateUSD 17 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Severance and termination benefits for Oak Industries corporate officers and headquarters employees, part of a $47.0 million one-time acquisition cost charge ($43.4 million after tax); approximately $14 million of severance paid as of 2000-09-30. No employee count disclosed.
2000-09-30acquisition_additioncompleted2000-01-282000-01-28Telecommunicationsbusiness_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Merger with Oak Industries, Inc. accounted for as pooling of interests; 44,293,491 shares issued. No headcount added disclosed.
2000-09-30divestiture_reductioncompleted2000-01-312000-01-31Advanced Materialsbusiness_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Sale of Quanterra Incorporated to Severn Trent Laboratories for $35 million; nonoperating gain of $6.8 million ($4.2 million after tax). No headcount removed disclosed.
2000-09-30acquisition_additioncompleted2000-02-022000-02-02GlobalTelecommunicationsbusiness_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Acquisition of Siemens AG's worldwide optical cable and hardware business and remaining 50% of Siecor for approximately $1.4 billion. No headcount added disclosed.
2000-09-30acquisition_additioncompleted2000-02-142000-02-14United KingdomTelecommunicationsbusiness_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Acquisition of British Telecommunication's Photonics Technology Research Center for approximately $66 million cash; $42.0 million in-process R&D charge. No headcount added disclosed.
2000-09-30acquisition_additioncompleted2000-05-052000-05-05Telecommunicationsbusiness_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Acquisition of remaining 84% interest in NZ Applied Technologies; 1,321,749 shares issued plus 1,321,749 escrow shares contingent on milestones. No headcount added disclosed.
2000-09-30acquisition_additioncompleted2000-05-122000-05-12Telecommunicationsbusiness_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Acquisition of NetOptix Corporation for 33,719,067 shares, transaction valued at approximately $2.1 billion. No headcount added disclosed.
2000-09-30acquisition_additioncompleted2000-06-122000-06-12Telecommunicationsbusiness_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Acquisition of remaining 67% interest in IntelliSense Corporation; consideration valued at approximately $410 million. No headcount added disclosed.
2000-09-30acquisition_additionannounced2000-09-262000-12-31Telecommunicationssubsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Definitive agreement to acquire Pirelli's 90% interest in Optical Technologies USA for approximately $3.4 billion cash (up to ~$4 billion if Cisco exercises tag-along rights), plus up to $180 million contingent payments; expected to close in Q4 2000 subject to government approvals. No headcount disclosed.
2000-09-30restructuringcompleted2000-01-28CorporateUSD 17 (millions)business_combinations_footnote
f5-10q / Qwen3.6-27B-Q8_0		Charge includes approximately $17 million of severance and other termination benefits for Oak Industries corporate officers and headquarters employees. Total severance benefits paid out were approximately $14 million as of September 30, 2000. Employee count not disclosed.
2000-06-30restructuringcompleted2000-01-28Corporate officers and headquarters employeesUSD 17 (millions)business_combinations_footnote
f5-10q / Qwen3.6-27B-Q8_0		Oak Industries merger: $17 million severance and termination benefits for corporate officers and HQ employees. Total severance paid out approx $11 million as of June 30, 2000.
2000-03-31restructuringcompleted2000-01-28United StatesCorporate headquartersUSD 17 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		One-time acquisition costs included $17M of severance and other termination benefits for Oak Industries corporate officers and headquarters employees; no employee count disclosed.
2000-03-31acquisition_additioncompleted2000-01-28United StatesTelecommunicationsbusiness_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Pooling-of-interests merger; 14.8M Corning shares and 2.7M options issued. No employee headcount addition disclosed.
2000-03-31acquisition_additioncompleted2000-02-02GlobalTelecommunicationsbusiness_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Acquisition of Siemens AG worldwide optical cable and hardware business plus remaining 50% of Siecor; purchase price ~$1.4B. No employee headcount addition disclosed.
2000-03-31acquisition_additioncompleted2000-02-14United KingdomTelecommunicationsUSD 42 (millions)business_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Acquired British Telecommunication's Photonics Research Center for ~$66M cash; $42M in-process R&D charge recorded. No employee headcount addition disclosed.
2000-03-31acquisition_additionannounced2000-02-142000-05-15United StatesTelecommunicationsbusiness_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Definitive agreement to acquire NetOptix for ~12M Corning shares (~$2.1B); expected to close mid-May 2000. No employee headcount addition disclosed.
2000-03-31acquisition_additioncompleted2000-05-05GlobalTelecommunicationssubsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Subsequent event: acquired remaining 80% of NZAT for 440,000 shares ($75M at closing) plus 440,000 contingent shares over three years. No employee headcount addition disclosed.
2000-03-31divestiture_reductioncompleted2000-01-31United StatesAdvanced Materialsother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Sold Quanterra Incorporated to Severn Trent Laboratories for $35M; $6.8M non-operating gain recorded. No employee headcount reduction disclosed.
2000-03-31restructuringcompleted2000-01-28Corporate officers and headquarters employeesUSD 17 (millions)business_combinations_footnote
f5-10q / Qwen3.6-27B-Q8_0		Severance and termination benefits for Oak Industries corporate officers and headquarters employees. Employee count not disclosed.
1999-12-31restructuringcompleted6501998-04-011999-06-30United StatesCorporate / multiple segmentsUSD 85 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Charge recorded in Q2 1998; all ~650 employees terminated by 1999-06-30. In FY1999, $14.1M pre-tax reserve released in Q4; $39.4M paid during 1999; $7.8M reserve remaining at year-end. Program included early retirement incentives for salaried non-union employees 55+ and severance for other non-union employees.
1999-12-31divestiture_reductioncompleted1999-07-011999-09-30United StatesTelecommunications (Siecor Corporation subsidiary)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Republic Wire and Cable (elevator cable manufacturer, Siecor subsidiary) sold in Q3 1999 for ~$52M in cash and short-term notes; $30M non-operating gain recorded. No headcount disclosed.
1999-12-31acquisition_additioncompleted1999-04-301999-04-30United Kingdom / AustraliaTelecommunicationsbusiness_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquired BICC plc telecommunications cable business and remaining 50% of Optical Waveguides Australia for ~$135M cash. No headcount disclosed.
1999-12-31acquisition_additioncompleted1999-07-011999-09-30JapanInformation Displaybusiness_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquired remaining 21% interest in Corning Japan K.K. for ~$32M cash; entity already consolidated. No incremental headcount disclosed.
1999-12-31acquisition_additionannounced1999-12-292000-02-29GlobalTelecommunicationssubsequent_events
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Siemens AG worldwide optical cable and hardware business plus remaining 50% of Siecor Corporation and Siecor GmbH acquired for $1.4B (including ~$120M assumed debt and $145M contingent consideration). Completed February 2000. No headcount disclosed.
1999-12-31acquisition_additionannounced2000-01-282000-01-28United StatesTelecommunicationssubsequent_events
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Merged with Oak Industries Inc. as pooling of interests; ~14.8M Corning shares issued; ~$45M pre-tax merger expenses to be recorded in Q1 2000. No headcount disclosed.
1999-12-31divestiture_reductionannounced1999-07-012000-01-31United StatesAdvanced MaterialsUSD 16 (millions)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Quanterra Incorporated sold to Severn Trent Laboratories for $35M in January 2000. $15.5M pre-tax impairment recognized in Q3 1999 concurrent with decision to dispose. No headcount disclosed.
1999-12-31acquisition_additionannounced2000-02-142000-06-30United StatesTelecommunicationssubsequent_events
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Definitive agreement to acquire NetOptix Corporation for ~12M Corning shares (~$2B at Feb 11, 2000 closing price). Expected to close Q2 2000. No headcount disclosed.
1999-12-31acquisition_additioncompleted2000-02-142000-02-14United KingdomTelecommunicationssubsequent_events
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquired British Telecommunication's Photonics Technology Research Center for ~$66M cash; portion allocated to in-process R&D expensed in Q1 2000 (~$20-30M after-tax charge). No headcount disclosed.
1999-12-31restructuringcompleted6501998-06-301999-06-30GlobalNon-union salaried employeesUSD 85 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Charge recorded in Q2 1998 for early retirement incentives and severance. All 650 employees terminated as of June 30, 1999. Reserve released in Q4 1999 due to lower than anticipated costs.
1999-12-31restructuringcompleted6501998-06-301999-06-30United StatesCorporate / multiple functionsUSD 85 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Charge recorded Q2 1998; all ~650 employees terminated as of June 30, 1999. Early retirement incentives for salaried non-union employees 55+ plus severance for other non-union employees. $62.7M paid since inception ($39.4M in 1999). $14.1M reserve released Q4 1999; $7.8M remaining at year-end.
1999-12-31divestiture_reductioncompleted1999-07-011999-09-30United StatesTelecommunications Segment — Republic Wire and Cablebusiness_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Republic Wire and Cable, a Siecor Corporation subsidiary, sold for approximately $52 million in cash and short-term notes during Q3 1999. Non-operating gain of $30 million recorded. Headcount not disclosed.
1999-12-31acquisition_additioncompleted1999-04-301999-04-30United Kingdom / AustraliaTelecommunications Segment — optical cableUSD 135 (millions)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquisition of BICC plc telecommunications cable business and 50% interest in Optical Waveguides Australia for approximately $135 million cash. Headcount not disclosed.
1999-12-31acquisition_additioncompleted1999-12-311999-12-31VariousMultipleUSD 18 (millions)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Aggregate of acquisitions completed December 1999 for $17.5 million cash. Not material to supplemental consolidated financial statements. Headcount not disclosed.
1999-12-31acquisition_additioncompleted1999-07-011999-09-30JapanInformation Display Segment — Corning Japan K.K.USD 32 (millions)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquired remaining 21% interest in Corning Japan K.K. for approximately $32 million cash. Headcount not disclosed.
1999-12-31acquisition_additionannounced2000-01-282000-01-28United StatesTelecommunications Segment — Oak IndustriesUSD 45 (millions)subsequent_events
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Merger with Oak Industries completed January 28, 2000, accounted for as pooling of interests. Approximately 14.8 million Corning shares issued. Merger-related expenses of approximately $45 million pre-tax to be recorded Q1 2000. Headcount not disclosed.
1999-12-31acquisition_additionannounced1999-12-292000-02-29GlobalTelecommunications Segment — Siemens optical cable and hardwareUSD 1,400 (millions)subsequent_events
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquisition of Siemens AG worldwide optical cable and hardware business plus remaining 50% of Siecor Corporation and Siecor GmbH for $1.4 billion (including ~$120M assumed debt and $145M contingent payments). Completed February 2000. Headcount not disclosed.
1999-12-31divestiture_reductionannounced1999-07-012000-01-31United StatesAdvanced Materials Segment — Quanterra IncorporatedUSD 16 (millions)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Impairment loss of $15.5 million ($10.0 million after tax) recognized Q3 1999 concurrent with decision to sell. Quanterra sold to Severn Trent Laboratories for $35 million in January 2000. Headcount not disclosed.
1999-12-31acquisition_additionannounced2000-02-142000-06-30United StatesTelecommunications Segment — NetOptix CorporationUSD 2,000 (millions)subsequent_events
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Definitive agreement signed February 14, 2000 to acquire NetOptix for approximately 12 million Corning shares (~$2 billion). Expected to close Q2 2000. Headcount not disclosed.
1999-12-31acquisition_additioncompleted2000-02-142000-02-14United KingdomTelecommunications Segment — Photonics Technology Research CenterUSD 66 (millions)subsequent_events
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquired British Telecommunication's Photonics Technology Research Center for approximately $66 million cash. Portion relates to in-process R&D to be expensed Q1 2000 ($20-30 million after-tax charge). Headcount not disclosed.
1999-12-31restructuringcompleted6501998-06-301999-06-30United StatesCorporate and operating segmentsUSD 85 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Multi-year program: charge recorded Q2 1998; all ~650 employees terminated by 1999-06-30. Early retirement incentives for salaried non-union employees 55+ plus severance for other non-union employees. $14.1M reserve released Q4 1999; $7.8M remaining at year-end.
1999-12-31divestiture_reductioncompleted1999-09-301999-09-30United StatesTelecommunications (Republic Wire and Cable, subsidiary of Siecor Corporation)other
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Republic Wire and Cable sold for ~$52M in cash and short-term notes; non-operating gain of $30M recorded. No headcount disclosed.
1999-12-31divestiture_reductioncompleted2000-01-312000-01-31United StatesAdvanced Materials (Quanterra Incorporated)USD 16 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Impairment loss of $15.5M ($10.0M after tax) recognized Q3 1999 concurrent with decision to sell; sold to Severn Trent Laboratories for $35M in January 2000. No headcount disclosed.
1999-12-31acquisition_additioncompleted1999-12-292000-02-29GlobalTelecommunications (Siemens AG optical cable and hardware business; remaining 50% of Siecor Corporation and Siecor GmbH)USD 1,400 (millions)subsequent_events
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Purchase price $1.4B including ~$120M assumed debt and $145M contingent consideration. Completed February 2000. No headcount disclosed.
1999-12-31acquisition_additioncompleted1999-11-182000-01-28United StatesTelecommunications (Oak Industries Inc. — pooling of interests merger)USD 45 (millions)subsequent_events
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Merger consummated 2000-01-28; ~14.8M Corning shares issued. Merger-related expenses of ~$45M pre-tax to be recorded Q1 2000. No headcount disclosed.
1999-12-31acquisition_additionannounced2000-02-142000-06-30United StatesTelecommunications (NetOptix Corporation — thin film filters for DWDM)USD 2,000 (millions)subsequent_events
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Definitive agreement signed 2000-02-14; ~12M Corning shares (0.90 exchange ratio); valued ~$2B at 2000-02-11 closing price. Expected to close Q2 2000. No headcount disclosed.
1999-12-31acquisition_additioncompleted2000-02-142000-02-14United KingdomTelecommunications (British Telecommunication's Photonics Technology Research Center)USD 66 (millions)subsequent_events
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquired for ~$66M cash; portion relates to in-process R&D expensed Q1 2000 with after-tax charge of $20-30M. No headcount disclosed.
1999-09-30restructuringin_progress6501999-12-31United StatesCorporate functions (salaried non-union employees)USD 85 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Charge recorded in Q2 1998; covered early retirement incentives and severance for salaried non-union employees 55+ and other workforce reductions. All ~650 employees terminated as of 1999-06-30. Restructuring reserve of $33.6M remained at 1999-09-30, mostly lump-sum payments due in Q4 1999; $51.0M paid to date, including $8.6M in Q3 1999. Estimated annualized after-tax savings of ~$30M per year.
1999-09-30restructuringin_progress6501998-06-301999-12-31GlobalCorporate and Operating SegmentsUSD 85 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Charge recorded in Q2 1998 for early retirement incentives and severance for approx. 650 non-union employees. All terminated as of June 30, 1999. Reserve of $33.6M remained at Sept 30, 1999 for lump sum payments expected in Q4 1999.
1999-06-30restructuringcompleted6501998-06-301999-06-30Corporate functions and operating segments (Telecommunications, Advanced Materials, Information Display)USD 85 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Charge recorded in Q2 1998 ($49.2M after tax and minority interest, $0.21/share); covered early retirement incentives for salaried non-union employees 55+ and severance for other non-union workforce reductions. All ~650 employees terminated as of 1999-06-30. Restructuring reserve of $42.2M remained at 1999-06-30 for lump-sum payments during the last six months of 1999; $42.4M of costs paid to date. Announcement date is approximate (filing states only 'second quarter of 1998').
1999-06-30acquisition_additioncompleted1999-04-30United Kingdom / AustraliaTelecommunicationsbusiness_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Acquired BICC plc's telecommunications cable business and the 50% equity interest in Optical Waveguides Australia not already owned for ~$135M cash; no headcount added disclosed.
1999-06-30restructuringcompleted6501998-06-301999-06-30Corporate and SegmentsUSD 85 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Charge recorded in Q2 1998 for early retirement incentives and severance. All 650 employees terminated as of June 30, 1999.
1999-03-31restructuringin_progress650USD 85 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Charge announced in Q2 1998 covering early retirement incentives and severance; approximately 650 employees all terminated or notified by 1999-03-31; $34.5M of costs paid as of quarter-end.
1999-03-31restructuringcompleted6501998-04-011999-03-31USD 85 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Charge recorded in Q2 1998 for early retirement incentives and severance. All 650 employees terminated or notified by March 31, 1999.
1998-12-31restructuringin_progress6501998-06-301999-06-30GlobalMultiple segments and corporate functionsUSD 85 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Early retirement incentives and severance; 610 of 650 terminated or notified by 1998-12-31; $23.3M paid as of year-end; charge allocated $8.3M Telecom, $26.9M Advanced Materials, $16.3M Information Display, remainder corporate
1998-12-31restructuringin_progress6501998-04-301999-06-30GlobalCorporate and Operating SegmentsUSD 85 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Charge relates to early retirement incentives and severance costs. 610 employees terminated or notified by year-end. Substantially completed in first half of 1999.
1998-09-30restructuringin_progress6501998-06-301999-09-30USD 85 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Charge covers early retirement incentives and severance; 527 of 650 employees terminated or notified by 1998-09-30. After-tax and minority-interest impact was $49.2 million. Management expected substantial completion within one year.
1998-09-30divestiture_reductioncompleted1998-04-011998-04-01Consumer housewares businessother
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Sale of controlling interest in consumer housewares business to an affiliate of Borden, Inc.; reported as discontinued operation. No employee count disclosed.
1998-09-30restructuringin_progress6501998-04-011999-09-30USD 85 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Charge comprises early retirement incentives and severance costs. 527 employees terminated or notified as of Sept 30, 1998. Substantially completed within one year.
1998-06-30restructuringin_progress6501998-04-011999-06-30GlobalCorporate staffs, Specialty Materials, CommunicationsUSD 85 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Early retirement incentives and severance; 500 of 650 terminated or notified by 1998-06-30. Charge of $84.6M ($49.2M after tax and minority interest). Sub-components: corporate staffs ~$33M, Specialty Materials ~$27M, Communications ~$24.6M. Management expects substantial completion within one year.
1998-06-30divestiture_reductioncompleted1998-04-011998-04-01GlobalConsumer housewares (discontinued operation)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Sale of controlling interest in consumer housewares business to Borden affiliate; Corning retained 8% interest. Headcount removed not quantified in filing.
1998-06-30restructuringin_progress6501998-06-301999-06-30Corporate, Specialty Materials, CommunicationsUSD 85 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Charge comprises early retirement incentives and severance costs. 500 employees terminated or notified as of June 30, 1998. Substantially completed within one year.
1998-03-31voluntary_separationannounced1998-04-08Not specifiedNot specifiedsubsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Headcount reduction announced via selective early retirement and enhanced separation benefits; charges to be recorded in Q2 1998, with spending primarily in 1999. A portion relates to the consumer housewares divestiture and will be classified as discontinued operations. No employee count disclosed.
1998-03-31divestiture_reductioncompleted1998-04-131998-04-01Not specifiedConsumer housewares businesssubsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Sale of controlling interest in consumer housewares business to Borden affiliate completed April 1, 1998; Corning retained 8% interest. No headcount associated with the divestiture disclosed.
1998-03-31voluntary_separationannounced1998-04-08subsequent_events
f5-10q / Qwen3.6-27B-Q8_0		Selective early retirement program and enhanced separation benefits announced for Q2. Charges to be recorded in Q2; spending primarily in 1999. Portion related to consumer housewares divestiture.
1997-12-31divestiture_reductioncompleted1997-02-011997-02-28GlobalConsumer Products — Serengeti eyewearrestructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Sold to Solar-Mates, Inc. for approximately $28 million. Gain not material. No headcount disclosed.
1997-12-31acquisition_additioncompleted1997-04-011997-04-30United StatesCommunications — Opto-electronicsUSD 70 (millions)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquired 100% of Optical Corporation of America for approximately $70 million. No headcount disclosed.
1997-12-31divestiture_reductionannounced1997-05-05GlobalConsumer Products — consumer housewaresItem_1_Business
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Divestiture of worldwide consumer housewares business announced May 5, 1997. Planned recapitalization and sale of controlling interest terminated December 10, 1997; divestiture continues to be explored. No headcount disclosed.
1997-12-31restructuringcompleted1995-04-011997-12-31GlobalCorporate staff groups, Communications, Specialty MaterialsUSD 27 (millions)MD&A
f5-10k / Qwen3.6-27B-Q8_0		Charge recorded in Q2 1995 included severance for workforce reductions, primarily in corporate staff groups, a curtailment loss in pension plan, and write-off of production equipment. Actions have been completed.
1997-12-31divestiture_reductioncompleted1997-02-011997-02-28United StatesSpecialty Materials — Serengeti eyewearrestructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Sale of Serengeti eyewear business to Solar-Mates, Inc. for approximately $28 million; gain not material. Headcount not disclosed. Month only stated in filing.
1997-12-31acquisition_additioncompleted1997-04-011997-04-30United StatesCommunications — optical products (Optical Corporation of America)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Acquisition of 100% of stock of Optical Corporation of America for approximately $70 million; purchase price included ~950,000 Corning restricted shares and options plus $32 million cash. Headcount added not disclosed. Month only stated in filing.
1997-12-31restructuringcompleted1995-04-011997-12-31United StatesCorporate staff groups; Communications; Specialty Materials; Other including R&DUSD 27 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Multi-year program: charge of $26.5 million ($16.1 million after tax) recorded in Q2 1995, comprising $18.5 million severance, a pension curtailment loss, and $8.0 million equipment write-off on exit from glass ceramic memory disk manufacturing. Filer states spending under the program was completed in 1997; no FY1997 charge recorded. Employees affected not disclosed.
1997-12-31divestiture_reductionannounced1998-04-011998-04-01United StatesConsumer housewares business (Corning Consumer Products Company)subsequent_events
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Subsequent to fiscal year-end: recapitalization and sale of a controlling interest to an affiliate of Borden, Inc. for $583 million cash, with Corning retaining an 8% interest and potential additional payment up to $15 million tied to 1998-2000 targets. Reported as a discontinued operation. Headcount not disclosed.
1997-09-30acquisition_additioncompleted1997-04-011997-04-30United StatesSpecialty Materials (optical products)USD 52 (millions)business_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Purchase price approx. $70 million; goodwill of approx. $52 million amortized over up to 20 years. No employee count disclosed.
1997-09-30divestiture_reductionannounced1997-08-201997-12-31United StatesConsumer Products (consumer housewares)subsequent_events
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Sale of controlling interest to AEA Investors; $779 million cash plus $21 million debt at closing, Corning retains 11% equity. Amended 1997-10-15. No employee count disclosed.
1997-09-30otherin_progressMD&A
f5-10q / Qwen3.6-27B-Q8_0		Employee strike at a competitor (Samsung-Corning associate) benefited earnings; no internal strike or workforce action disclosed for Corning.
1997-06-30otherin_progressUnited States and KoreaEnvironmental ProductsMD&A
f5-10q / Qwen3.6-27B-Q8_0		Employee strikes at U.S. and Korean automobile manufacturers impacted the environmental-products business.
1997-06-30acquisition_additioncompleted1997-04-01USD 70 (millions)business_combinations_footnote
f5-10q / Qwen3.6-27B-Q8_0		Acquired 100% of Optical Corporation of America (OCA) for approx. $70 million. Headcount not disclosed.
1996-12-31restructuringin_progress2001995-06-301997-12-31United StatesCorporate staff groups; glass-ceramic memory-disk manufacturingUSD 27 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Program announced Q2 1995; ~200 employees figure is cumulative through 1996-12-31 (terminated or notified). $5.3M of $18.5M severance utilized in 1996; $5.1M reserve remained at year-end. Charge shown is total program charge recorded in 1995.
1996-12-31divestiture_reductioncompleted1996-11-261996-12-31United StatesHealth Care Services (Quest Diagnostics and Covance)discontinued_operations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Spin-off of Quest Diagnostics and Covance completed 1996-12-31; headcount removed not disclosed. $1.1B reduction in stockholders' equity.
1996-12-31divestiture_reductionannounced1996-10-311997-03-31United StatesConsumer Products — Serengeti eyewearMD&A
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Agreement to sell Serengeti eyewear to Solar-Mates for ~$28M; expected completion early 1997. Headcount not disclosed.
1996-12-31restructuringcompleted2001995-04-011997-12-31GlobalCorporate staff groupsUSD 19 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Restructuring charge recorded in Q2 1995. Severance benefits related to approximately 200 employees terminated or notified as of Dec 31, 1996. Spending expected to be completed in 1997.
1996-09-30restructuringcompleted1995-04-01Corporate staff groupsUSD 27 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Charge recorded in Q2 1995 included severance for workforce reductions, primarily in corporate staff groups, and a curtailment loss in pension plan.
1996-06-30divestiture_reductionannounced1996-05-141996-12-31United StatesHealth Care Services (Corning Clinical Laboratories Inc. and Corning Pharmaceutical Services Inc.)other
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Board approved plan in May 1996 to distribute all shares of Corning Clinical Laboratories and Corning Pharmaceutical Services to shareholders, creating two independent public companies. No employee headcount associated with the distribution is disclosed.
1996-06-30restructuringin_progress1996-05-141996-12-31Health Care ServicesUSD 57 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Plan to distribute Corning Clinical Laboratories Inc. and Corning Pharmaceutical Services Inc. Charge includes estimated transaction costs and reserves for government claims.
1996-06-30restructuringcompleted1995-04-01Corporate staff groupsUSD 27 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		1995 restructuring charge carried in reserves. Includes severance for workforce reductions and pension curtailment loss.
1996-03-31restructuringin_progressUSD 60 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Reserves for restructuring and acquisition integration plans (charges recorded in prior years) totaled $59.6M at 1996-03-31, down from $70.2M at 1995-12-31. No employee counts, geographies, or completion dates disclosed.
1996-03-31acquisition_additioncompleted1996-01-01Specialty MaterialsUSD 20 (millions)business_combinations_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Corning increased ownership in Quanterra from 50% to 81% for ~$20M investment; consolidation began Q1 1996. No headcount added disclosed.
1995-12-31restructuringin_progress1,0001995-06-301996-06-30United StatesMultiple segments including Health Care Services and corporate staffUSD 67 (millions)restructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		1995 charge of $67M ($40.5M after tax). $40.5M for Health Care Services (clinical-laboratory testing severance and leased facility exits); remainder for corporate staff reductions, pension curtailment loss, and glass-ceramic memory-disk facility exit. 1,000 employees terminated in 1995; cumulative ~3,400 terminated or notified through 1995 of ~4,600 total program. ~400 additional expected by end of 1996.
1995-12-31plant_closurein_progress1995-06-301996-06-30United StatesCommunications — glass-ceramic memory-disk manufacturingrestructuring_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		Exit of glass-ceramic memory-disk manufacturing facility included within the $67M 1995 restructuring charge; employee count not separately disclosed. Included write-off of production equipment.
1995-12-31acquisition_additioncompletedUnited StatesHealth Care Services — clinical-laboratory testing and pharmaceutical servicesUSD 41 (millions)business_combinations_footnote
f5-10k / MiMo-V2.6-Flash-fp8-HTML		1995 acquisitions: National Packaging Systems, Franklin Health Group, and several small clinical-testing laboratories. Purchase price $41M cash plus ~500,000 shares. Headcount added not disclosed.
1995-12-31restructuringin_progress1,0001995-04-011996-06-30GlobalHealth Care Services, Corporate, CommunicationsUSD 67 (millions)restructuring_footnote
f5-10k / Qwen3.6-27B-Q8_0		Second quarter 1995 charge of $67 million ($40.5 million after tax). Includes severance for workforce reduction primarily in clinical-laboratory testing, corporate staff groups, and exit of glass-ceramic memory-disk facility. Management expects actions to be substantially complete by mid-1996. Total employees affected in 1995 was 1,000.
1995-10-08restructuringin_progress1,000United StatesPrimarily Laboratory Services segment and corporate staff groupsUSD 67 (millions)restructuring_footnote
f5-10q / MiMo-V2.6-Flash-fp8-HTML		Recorded in Q2 1995; $40.5M after-tax. Approximately $40M related to Laboratory Services (severance in clinical-laboratory and pharmaceutical-testing businesses plus exits from leased facilities); remainder covered corporate staff reductions, a $7M pension curtailment loss, and write-off of equipment from exiting the glass-ceramic memory-disk manufacturing facility. Severance covers ~1,000 employees, of which ~450 were terminated or notified at 1995-10-08. Management expects reductions and facility closures substantially complete within one year. Original reserve $67.0M; $20.9M charged through 1995-10-08; $46.1M reserve balance remaining.
1995-10-08restructuringin_progress1,0001995-04-011996-10-08GlobalLaboratory Services, Corporate Staff, ManufacturingUSD 67 (millions)restructuring_footnote
f5-10q / Qwen3.6-27B-Q8_0		Charge recorded in Q2 1995. Includes severance for workforce reductions in clinical-laboratory and pharmaceutical-testing businesses, corporate staff, and exit from glass-ceramic memory-disk manufacturing. Pension curtailment loss included. Substantially completed within one year.