Fundamentals - Marathon Petroleum (MPC)

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

No geographic segment data found.

Business Unit / Product Segments

Major Customers (% of Revenue)

No 10-Q data

Operational KPIs

Speedy Rewards active members (active_buyers)

No 10-Q data

Average refined product sales prices (arpu)

No 10-K data

Terminal storage capacity (capacity)

Speedy Rewards active members (customers)

No 10-Q data

Ocean vessels (fleet_size)

No 10-Q data

Natural gas processed (gas_production)

Cogeneration capacity (generation_capacity)

No 10-Q data

Merchandise sales (gmv)

No 10-K data

Employees (headcount)

No 10-Q data

Refinery operating costs (lifting_cost)

No 10-K data

NGLs fractionated (ngl_production)

2020 capital expenditure plan (other)

No 10-K data

3-2-1 crack spread (other)

No 10-K data

ANDX common units owned (other)

No 10-K data

ANS Crude Oil Price (other)

No 10-K data

ANS benchmark price (other)

No 10-K data

ANS crude price (other)

No 10-K data

Adjusted EBITDA per barrel (other)

No 10-K data

Average crude oil cost (other)

No 10-Q data

Average fuel price (other)

No 10-K data

Average fuel sales price (other)

Average fuel sales prices (other)

No 10-K data

Average fuel selling price (other)

No 10-K data

Average gasoline and distillate sales prices (other)

No 10-K data

Average gasoline selling price (other)

No 10-K data

Average pipeline tariff (other)

No 10-K data

Average pipeline tariff rate (other)

No 10-K data

Average pipeline tariff rates (other)

No 10-K data

Average product sales price (other)

Average refined product price (other)

No 10-K data

Average refined product sales price (other)

No 10-K data

Average refined product sales prices (other)

No 10-K data

Average refined product selling price (other)

No 10-K data

Average selling price (other)

No 10-K data

Avg gasoline distillate price (other)

No 10-K data

Avg refined product price (other)

No 10-K data

Benchmark crack spread (other)

No 10-Q data

Benchmark crude price (other)

No 10-K data

Benchmark product price (other)

No 10-K data

Benchmark spot price (other)

No 10-K data

Blended 3-2-1 Crack Spread (other)

No 10-K data

Blended 3-2-1 crack spread (other)

Blended 6-3-2-1 crack spread (other)

Blended crack spread (other)

No 10-K data

Blended crack spread sensitivity (other)

No 10-K data

C2 + NGL Pricing (other)

No 10-K data

C2 + NGL price (other)

No 10-K data

C2 + NGL pricing (other)

No 10-K data

C2+ NGL price (other)

No 10-K data

C2+ NGL pricing (other)

No 10-K data

Chicago 6-3-2-1 crack spread (other)

No 10-K data

Chicago CBOB gasoline price (other)

No 10-K data

Chicago LLS 6-3-2-1 crack spread (other)

No 10-K data

Chicago LLS crack spread (other)

No 10-K data

Chicago ULSD price (other)

No 10-K data

Chicago crack spread (other)

No 10-K data

Common shares outstanding (other)

No 10-K data

Common shares repurchased (other)

No 10-K data

Common stock outstanding (other)

No 10-Q data

Consolidated product sales volume (other)

No 10-Q data

Consolidated refined product sales (other)

No 10-K data

Consolidated refined product sales volume (other)

No 10-Q data

Crack spread (other)

No 10-K data

Crack spread sensitivity (other)

No 10-K data

Crude benchmark price (other)

No 10-K data

Crude differential (other)

No 10-K data

Crude differential sensitivity (other)

No 10-K data

Crude oil and product pipeline miles (other)

No 10-K data

Crude oil benchmark price (other)

No 10-K data

Crude oil differential (other)

No 10-K data

Crude oil price (other)

No 10-K data

Crude oil refined by source (other)

No 10-Q data

Crude oil slate mix (other)

No 10-K data

Crude oil sourced (other)

No 10-Q data

Crude oil sources (other)

No 10-Q data

Crude oil sourcing (other)

No 10-Q data

Crude oil spot price (other)

No 10-K data

Crude oil supply (other)

No 10-Q data

Crude oil supply by source (other)

No 10-Q data

Crude oil throughput mix (other)

No 10-K data

Crude slate (other)

No 10-Q data

Crude slate mix (other)

Crude slate split (other)

No 10-Q data

Crude supply by source (other)

No 10-Q data

Crude throughput mix (other)

No 10-K data

Crude throughput quality mix (other)

No 10-Q data

Depreciation and amortization (other)

No 10-K data

Depreciation and amortization per barrel (other)

No 10-K data

Depreciation per barrel (other)

Detroit expansion project completion (other)

No 10-K data

Detroit project completion (other)

No 10-K data

Direct dealer locations (other)

No 10-K data

Direct operating costs (other)

No 10-K data

Distribution costs (other)

Distribution costs per barrel (other)

Dividends per share (other)

No 10-Q data

EBITDA sensitivity (other)

No 10-K data

EBITDA sensitivity to crack spread (other)

No 10-K data

EBITDA sensitivity to crude differential (other)

No 10-K data

EBITDA sensitivity to natural gas price (other)

No 10-K data

Employees affected by workforce reduction (other)

No 10-K data

Environmental expenditures (other)

No 10-Q data

Environmental incident reduction (other)

No 10-Q data

Ethanol blend volume (other)

No 10-Q data

Ethanol blended (other)

No 10-Q data

Ethanol blended into gasoline (other)

No 10-Q data

Ethanol blended volumes (other)

No 10-Q data

Ethanol volumes blended (other)

No 10-K data

Ethanol volumes sold (other)

No 10-K data

Export sales volume (other)

No 10-K data

Export sales volumes (other)

Fees paid to MPLX (other)

Fees paid to MPLX per barrel (other)

No 10-K data

Fuel gross margin (other)

Fuel sales volume (other)

Gas gathering and NGL pipeline miles (other)

No 10-K data

Gasoline & Distillate Gross Margin (other)

No 10-K data

Gasoline & distillate gross margin (other)

Gasoline & distillate sales (other)

No 10-Q data

Gasoline & distillates gross margin (other)

No 10-K data

Gasoline & distillates sales (other)

Gasoline and distillate gross margin (other)

No 10-K data

Gasoline and distillate margin (other)

No 10-K data

Gasoline and distillate sales (other)

No 10-K data

Gasoline and distillates gross margin (other)

No 10-K data

Gasoline and distillates margin (other)

No 10-K data

Gasoline and distillates sales (other)

No 10-K data

Gasoline distillate gross margin (other)

No 10-K data

Gasoline distillate sales (other)

No 10-K data

Gasoline distillates gross margin (other)

No 10-K data

Gasoline distillates sales (other)

No 10-K data

Gathering system throughput (other)

No 10-K data

Gulf Coast LLS crack spread (other)

No 10-K data

Gulf Coast WTI-priced crude oil throughput percent (other)

No 10-Q data

Gulf Coast refinery direct operating costs (other)

No 10-Q data

Gulf Coast sour crude oil throughput percent (other)

No 10-Q data

Gulf Coast throughput (other)

No 10-K data

LA CARB diesel price (other)

No 10-K data

LA CARBOB price (other)

No 10-K data

LCM inventory valuation reserve (other)

No 10-K data

LLS crude oil price (other)

No 10-K data

LLS crude price (other)

No 10-K data

LLS-WTI crude differential (other)

No 10-K data

LLS-WTI differential (other)

No 10-K data

Light product margin (other)

No 10-K data

Liquidity (other)

No 10-K data

MEH Crude Oil Price (other)

No 10-K data

MEH benchmark price (other)

No 10-K data

MEH crude price (other)

No 10-K data

MPC common stock outstanding (other)

No 10-K data

MPC consolidated refined product sales (other)

No 10-K data

MPC refined product sales volumes (other)

No 10-K data

MPC remaining share repurchase authorization (other)

No 10-K data

MPLX and ANDX ownership (other)

No 10-K data

MPLX common unit market value (other)

No 10-K data

MPLX common unit price (other)

No 10-K data

MPLX common units owned (other)

MPLX common units repurchased (other)

No 10-K data

MPLX debt to EBITDA ratio (other)

No 10-K data

MPLX distribution per unit (other)

No 10-K data

MPLX distributions received (other)

No 10-K data

MPLX fees paid (other)

No 10-K data

MPLX fees per barrel (other)

No 10-K data

MPLX liquidity (other)

No 10-K data

MPLX ownership (other)

No 10-K data

MPLX ownership interest (other)

No 10-K data

MPLX quarterly cash distribution (other)

No 10-K data

MPLX quarterly distribution per unit (other)

No 10-K data

MPLX remaining repurchase authorization (other)

No 10-K data

MPLX stake market value (other)

No 10-K data

MPLX storage capacity (other)

No 10-Q data

MPLX unit market value (other)

No 10-K data

MPLX unit price (other)

No 10-K data

MPLX unit repurchase authorization remaining (other)

No 10-K data

MPLX units market value (other)

No 10-K data

MPLX units owned (other)

MPLX units repurchased (other)

Marathon brand outlets (other)

No 10-Q data

Marathon retail outlets (other)

No 10-K data

Merchandise Sales (other)

No 10-K data

Merchandise gross margin (other)

Merchandise gross margin percent (other)

Merchandise margin (other)

Merchandise margin percent (other)

No 10-K data

Merchandise sales (other)

Mid-Continent WTI 3-2-1 (other)

No 10-K data

Mid-Continent WTI 3-2-1 crack spread (other)

No 10-Q data

Mid-Continent crack spread (other)

No 10-K data

Mid-Continent refinery direct operating costs (other)

No 10-Q data

Midwest WTI-priced crude oil throughput percent (other)

No 10-Q data

Midwest refinery direct operating costs (other)

No 10-Q data

Midwest sour crude oil throughput percent (other)

No 10-Q data

Midwest throughput (other)

No 10-K data

Miles of pipeline (other)

No 10-Q data

NGL fractionated (other)

No 10-K data

NGL pipeline length (other)

No 10-Q data

NGL price (other)

No 10-K data

NGL pricing (other)

No 10-K data

NYMEX Henry Hub gas price (other)

No 10-K data

Natural Gas NYMEX HH (other)

No 10-K data

Natural Gas NYMEX HH Price (other)

No 10-K data

Natural gas NYMEX HH (other)

No 10-K data

Natural gas NYMEX HH price (other)

No 10-K data

Natural gas benchmark price (other)

No 10-K data

Natural gas price (other)

No 10-K data

Natural gas price sensitivity (other)

No 10-K data

Natural gas processed (other)

No 10-K data

Number Of Reportable Segments (other)

Number of Reportable Segments (other)

OSHA VPP Star refineries (other)

No 10-Q data

Operating costs per barrel (other)

No 10-K data

Other income per barrel (other)

No 10-K data

Owned and operated terminals (other)

No 10-Q data

Owned terminals (other)

No 10-Q data

Pipeline barrels handled (other)

No 10-K data

Pipeline mileage (other)

Pipeline miles (other)

Planned turnaround costs (other)

No 10-K data

Planned turnaround costs per barrel (other)

No 10-K data

Product spot price (other)

No 10-K data

Purchase accounting depreciation per barrel (other)

No 10-K data

R&M adjusted EBITDA (other)

No 10-Q data

R&M adjusted EBITDA per barrel (other)

R&M gross margin (other)

R&M margin per barrel (other)

No 10-K data

R&M refined product sales (other)

No 10-Q data

R&M segment income (other)

No 10-Q data

R&M segment income per barrel (other)

No 10-K data

RIN compliance cost (other)

No 10-Q data

RIN compliance expense (other)

No 10-K data

RIN expense (other)

No 10-K data

RIN purchase cost (other)

No 10-K data

RIN purchase expense (other)

No 10-K data

RIN purchase expenses (other)

No 10-Q data

RINs expense (other)

No 10-K data

Refined product export sales (other)

No 10-Q data

Refined product export sales volume (other)

No 10-Q data

Refined product export sales volumes (other)

Refined product export volumes (other)

No 10-K data

Refined product exports (other)

Refined product sales (other)

No 10-Q data

Refined product sales mix (other)

No 10-Q data

Refined product sales price (other)

No 10-K data

Refined product sales to end-users (other)

No 10-Q data

Refined product sales volume (other)

Refined product sales volumes (other)

Refined product selling price (other)

No 10-K data

Refined product spot price (other)

No 10-K data

Refined product yield (other)

No 10-K data

Refined product yields (other)

No 10-K data

Refineries (other)

Refineries operated (other)

No 10-K data

Refineries owned (other)

No 10-K data

Refineries owned and operated (other)

Refinery direct operating cost (other)

No 10-K data

Refinery direct operating costs (other)

Refinery tank storage (other)

No 10-Q data

Refinery tank storage capacity (other)

No 10-Q data

Refining & Marketing Gross Margin (other)

No 10-K data

Refining & Marketing adjusted EBITDA (other)

No 10-K data

Refining & Marketing adjusted EBITDA per barrel (other)

Refining & Marketing gross margin (other)

Refining & Marketing margin (other)

Refining & Marketing margin per barrel (other)

Refining & Marketing segment adjusted EBITDA per barrel (other)

No 10-K data

Refining & Marketing segment income (other)

No 10-K data

Refining & Marketing segment income per barrel (other)

No 10-K data

Refining & marketing gross margin (other)

No 10-K data

Refining and Marketing margin (other)

No 10-Q data

Refining and marketing gross margin (other)

No 10-K data

Refining cost per barrel (other)

No 10-Q data

Refining depreciation per barrel (other)

No 10-K data

Refining gross margin (other)

Refining gross margin per barrel (other)

No 10-K data

Refining margin (other)

Refining margin per barrel (other)

Refining marketing gross margin (other)

No 10-K data

Refining operating costs (other)

Refining operating costs per barrel (other)

Refining planned turnaround costs (other)

No 10-K data

Refining planned turnaround costs per barrel (other)

No 10-K data

Refining segment EBITDA per barrel (other)

No 10-K data

Refining segment income per barrel (other)

No 10-K data

Refining turnaround costs (other)

No 10-K data

Remaining MPLX unit repurchase authorization (other)

No 10-K data

Remaining share repurchase authorization (other)

No 10-K data

Renewable Diesel margin (other)

No 10-K data

Renewable Diesel sales volume change (other)

No 10-K data

Retail fuel margin (other)

Retail fuel margin per gallon (other)

No 10-K data

Retail fuel selling price (other)

No 10-K data

Retail marketing contract assignments (other)

No 10-Q data

Retail total margin (other)

No 10-K data

SPR crude oil exchange volumes (other)

No 10-K data

Segment EBITDA per barrel (other)

No 10-K data

Segment adjusted EBITDA per barrel (other)

No 10-K data

Segment income per barrel (other)

Share repurchase authorization remaining (other)

No 10-K data

Share repurchases (other)

No 10-Q data

Shares outstanding (other)

No 10-K data

Shares repurchased (other)

No 10-Q data

Sour Crude Differential (other)

No 10-K data

Sour crude differential (other)

No 10-K data

Sour crude oil throughput (other)

Sour crude oil throughput percent (other)

Sour crude oil throughput share (other)

No 10-Q data

Sour crude share (other)

Sour crude share of throughput (other)

No 10-K data

Sour crude throughput (other)

Sour crude throughput mix (other)

Sour crude throughput share (other)

Sour differential sensitivity (other)

No 10-K data

Speedway average fuel price (other)

No 10-K data

Speedway fuel gross margin (other)

Speedway fuel margin (other)

Speedway fuel margin per gallon (other)

No 10-K data

Speedway fuel sales (other)

No 10-K data

Speedway fuel sales price (other)

No 10-K data

Speedway fuel sales volume (other)

Speedway gas & dist margin (other)

No 10-Q data

Speedway gasoline and distillate gross margin (other)

No 10-Q data

Speedway merchandise gross margin (other)

Speedway merchandise margin (other)

No 10-K data

Speedway merchandise sales (other)

Speedway total margin (other)

No 10-K data

Speedy Rewards members (other)

No 10-Q data

Spot product price (other)

No 10-K data

Sweet Crude Differential (other)

No 10-K data

Sweet crude differential (other)

No 10-K data

Sweet crude oil throughput (other)

No 10-Q data

Sweet crude oil throughput percent (other)

No 10-K data

Sweet crude throughput (other)

No 10-K data

Sweet crude throughput mix (other)

No 10-Q data

Sweet crude throughput share (other)

No 10-K data

Sweet differential sensitivity (other)

No 10-K data

Sweet-sour differential (other)

No 10-K data

Sweet/sour crude differential (other)

No 10-K data

Sweet/sour crude oil differential (other)

No 10-K data

Sweet/sour differential (other)

No 10-K data

Terminal storage capacity (other)

No 10-Q data

Terminal tank storage (other)

No 10-Q data

Terminal tank storage capacity (other)

No 10-Q data

Terminals owned and operated (other)

No 10-Q data

Total debt (other)

No 10-K data

Total liquidity (other)

No 10-K data

Turnaround cost per barrel (other)

No 10-Q data

Turnaround costs per barrel (other)

No 10-K data

U.S. Gulf Coast 6-3-2-1 crack spread (other)

No 10-K data

USGC CBOB gasoline price (other)

No 10-K data

USGC LLS 6-3-2-1 crack spread (other)

No 10-K data

USGC MEH 3-2-1 (other)

No 10-K data

USGC MEH 3-2-1 crack spread (other)

No 10-Q data

USGC ULSD price (other)

No 10-K data

USGC crack spread (other)

No 10-K data

Union-represented employees (other)

No 10-Q data

Unionized refining employees (other)

No 10-Q data

WTI Crude Oil Price (other)

No 10-K data

WTI benchmark price (other)

No 10-K data

WTI crude oil price (other)

No 10-K data

WTI crude price (other)

No 10-K data

WTI crude throughput share (other)

No 10-K data

WTI-priced crude oil throughput (other)

No 10-K data

WTI-priced crude oil throughput percent (other)

No 10-Q data

WTI-priced crude oil throughput share (other)

No 10-Q data

WTI-priced crude share (other)

WTI-priced crude share of throughput (other)

No 10-K data

WTI-priced crude throughput (other)

WTI-priced crude throughput mix (other)

No 10-K data

WTI-priced crude throughput share (other)

No 10-Q data

West Coast ANS 3-2-1 (other)

No 10-K data

West Coast ANS 3-2-1 crack spread (other)

No 10-Q data

West Coast crack spread (other)

No 10-K data

West Coast refinery direct operating costs (other)

No 10-Q data

Crude oil supply (production_volume)

Owned terminals (properties)

Sweet crude oil throughput (refining_throughput)

Renewable fuel capacity (renewable_capacity)

No 10-Q data

Speedway merchandise sales (revenue)

No 10-Q data

Safety incidents (safety_incidents)

No 10-Q data

Same store merchandise sales (same_store_sales)

Company-owned convenience stores (stores)

Natural gas gathering throughput (throughput)

Gas gathering and NGL pipeline miles (transmission_miles)

Refined product export sales (units_shipped)

Speedy Rewards active members (users)

No 10-Q data

WTI-priced crude throughput share (utilization_rate)

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

No 10-Q data

Demographics

No demographic data found.

Workforce Breakdowns

No 10-Q data

HCM Metrics — Point-in-Time

No point-in-time HCM metrics found.

HCM Metrics — Flow (Annual / YTD)

No flow HCM metrics found.

Workforce Actions

Period End	Type	Status	Affected	Announced	Expected Completion	Geography	Segment / Function	Charge	Source	Note
2025-12-31	acquisition_addition	completed		2025-08-29		Lea County, New Mexico, United States	Midstream		business_combinations_footnote f5-10k / GLM-5.3-flash-HTML	MPLX acquired 100 percent of Northwind Midstream for $2.4 billion in cash, funded in part by MPLX's August 2025 $4.5 billion senior notes offering; acquired employee headcount was not disclosed.
2025-12-31	acquisition_addition	completed		2025-07-01		Permian Basin (Delaware and Midland) to Gulf Coast, United States	Midstream		business_combinations_footnote f5-10k / GLM-5.3-flash-HTML	MPLX purchased the remaining 55 percent of BANGL for $703 million cash plus an earnout of up to $275 million tied to 2026-2029 EBITDA growth; the formerly 45 percent-owned equity method investee is now consolidated, with a $484 million remeasurement gain. Headcount not disclosed.
2025-12-31	acquisition_addition	completed		2025-03-11		San Juan basin, Four Corners region, United States	Midstream		business_combinations_footnote f5-10k / GLM-5.3-flash-HTML	Acquired crude oil and natural gas gathering businesses from Whiptail Midstream, LLC for $235 million in cash; headcount not disclosed.
2025-12-31	divestiture_reduction	completed		2025-11-12		Rockies region, United States	Midstream (gathering and processing)		other f5-10k / GLM-5.3-flash-HTML	MPLX sold its Rockies gathering and processing operations to a subsidiary of Harvest Midstream for $980 million in cash, recording a $159 million gain; headcount transferring with the sale was not disclosed.
2025-12-31	other	in_progress	700	2026-01-31		California, United States			other f5-10k / GLM-5.3-flash-HTML	Collective bargaining agreements covering about 700 California hourly represented employees reached their January 31, 2026 expiration; the parties agreed to continue them, subject to 24-hour termination notice by either party, while successor agreements are negotiated. Total CBA-covered workforce is approximately 3,800 employees, consistent with employees_unionized.
2025-12-31	acquisition_addition	completed		2025-08-29	2025-08-29	United States — Lea County, New Mexico (Permian/Delaware Basin)	Midstream	USD 2,400 (millions)	business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	MPLX acquired 100% of Northwind Midstream for $2.4B cash; headcount added not disclosed. Excluded from management's ICFR assessment for 2025 (~2% of total assets).
2025-12-31	acquisition_addition	completed		2025-07-01	2025-07-01	United States — Delaware and Midland basins to Gulf Coast	Midstream	USD 937 (millions)	business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	MPLX purchased remaining 55% of BANGL for $703M cash plus earnout up to $275M; total consideration $937M. Headcount added not disclosed.
2025-12-31	acquisition_addition	completed		2025-03-11	2025-03-11	United States — San Juan Basin / Four Corners region	Midstream	USD 235 (millions)	business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	MPLX acquired crude and natural gas gathering businesses for $235M cash. Headcount added not disclosed.
2025-12-31	divestiture_reduction	completed		2025-11-12	2025-11-12	United States — Rocky Mountains	Midstream	USD 980 (millions)	business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Sale of Rockies gathering and processing assets to Harvest Midstream for $980M cash; $159M gain. Headcount removed not disclosed.
2025-12-31	divestiture_reduction	completed		2025-07-31	2025-07-31	United States	Refining & Marketing	USD 427 (millions)	business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Sale of 49.9% interest in The Andersons Marathon Holdings LLC for $427M cash; $254M gain. Equity method investment, so headcount impact not disclosed.
2025-12-31	other	in_progress	700	2026-01-31		United States — California	Refining (hourly represented employees)		Item_1_Business f5-10k / MiMo-V2.6-Flash-fp8-HTML	Approximately 700 California hourly represented employees had CBAs set to expire 2026-01-31; parties agreed to continue agreements beyond expiration subject to 24-hour termination notice while successor agreements are negotiated. Not a workforce reduction.
2025-06-30	acquisition_addition	completed		2025-03-11	2025-03-11	United States (Four Corners region / San Juan basin)	Midstream	USD 237 (millions)	business_combinations_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	MPLX acquired Whiptail Midstream gathering businesses for $237 million cash; no headcount impact disclosed. Charge value is purchase price, not a workforce charge.
2025-06-30	acquisition_addition	completed		2025-07-01	2025-07-01	United States	Midstream	USD 700 (millions)	subsequent_events f5-10q / MiMo-V2.6-Flash-fp8-HTML	MPLX purchased remaining 55% of BANGL for ~$700 million plus up to $275 million earnout (2026-2029); results consolidate in Midstream from Q3 2025. No headcount disclosed. Charge value is purchase price, not a workforce charge.
2025-06-30	acquisition_addition	announced		2025-07-31	2025-09-30	United States (Lea County, New Mexico)	Midstream	USD 2,375 (millions)	MD&A f5-10q / MiMo-V2.6-Flash-fp8-HTML	Definitive agreement entered July 2025 to acquire Northwind Midstream for $2.375 billion cash, debt-financed; expected close in Q3 2025 subject to regulatory approval. Announcement date stated only as 'July 2025'; date shown is filing date. No headcount disclosed. Charge value is purchase price, not a workforce charge.
2024-12-31	acquisition_addition	completed		2024-03-22	2024-03-22	United States — Utica basin, Ohio	Midstream	USD 625 (millions)	business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	MPLX paid $625 million for additional interests in Ohio Gathering Company (to 73%) and Ohio Condensate Company (to 100%, now consolidated) plus a dry gas gathering system; headcount added not disclosed. Charge shown is purchase consideration, not a severance charge.
2024-12-31	acquisition_addition	completed		2024-10-01	2024-10-01	United States	Midstream — marine transportation (Jones Act ATB vessels)		business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	MPC purchased the remaining 50% of Coastal Holdings (three ATB vessels) for approximately $66 million cash and assumed $175 million of MARAD debt; entity became consolidated. Headcount added not disclosed.
2023-12-31	acquisition_addition	completed		2023-12-15	2023-12-15	United States (Permian basin)	Midstream	USD 270 (millions)	MD&A f5-10k / GLM-5.3-flash-HTML	On December 15, 2023, MPLX purchased the remaining 40 percent interest in MarkWest Torñado GP, L.L.C., moving the entity from equity method accounting to consolidation; its workforce is now included in consolidated results. Employee headcount added is not disclosed. Consideration of approximately $270 million including working capital, plus approximately $33 million to extend a gathering and processing agreement; a $92 million remeasurement gain was recognized on the previously held 60 percent interest.
2022-12-31	restructuring	in_progress		2020	2024-12-31	United States (Gallup, New Mexico; Martinez, California)	Refining & Marketing	USD 46 (millions)	restructuring_footnote f5-10k / GLM-5.3-flash-HTML	Multi-year program initiated in Q3 2020 covering indefinite idling of the Gallup refinery, strategic repositioning of the Martinez refinery to renewable diesel, and an involuntary workforce reduction affecting approximately 2,050 employees; original 2020 restructuring charge was $367 million (employee separations $172 million). No new charges or separations recorded in fiscal 2022; activity limited to $13 million of cash payments against the reserve, leaving a $46 million exit and disposal cost reserve at year-end with payments expected through 2024. Headcount figure omitted here to avoid double-counting prior-period (FY2020) activity.
2022-12-31	restructuring	completed	2,050	2020-09-01	2024-12-31	United States	Refining & Marketing	USD 367 (millions)	restructuring_footnote f5-10k / Qwen3.6-27B-Q8_0	Involuntary workforce reduction plan approved in Q3 2020 affecting approximately 2,050 employees. Total charge of $367 million recorded in 2020. Cash payments for remaining exit and disposal costs expected to occur through 2024.
2022-12-31	restructuring	in_progress						USD 0 (absolute)	restructuring_footnote f5-10k / no-ai-xblr
2021-12-31	restructuring	completed	2,050	2020		United States — Gallup, NM; Martinez, CA; company-wide reduction	Refining & Marketing	USD 367 (millions)	restructuring_footnote f5-10k / GLM-5.3-flash-HTML	Program announced in Q3 2020: indefinite idling of the Gallup refinery, repositioning of the Martinez refinery to renewable diesel, and an involuntary workforce reduction plan; approximately 2,050 employees affected including reductions tied to both refinery actions. Comprised $172 million employee separation costs (2020 charge; MPLX reimbursed $37 million), fully settled during 2021, and $195 million of exit costs for the two refineries. A $59 million exit/disposal reserve remained at December 31, 2021, payable through 2024.
2021-12-31	divestiture_reduction	completed		2021-05-14	2021-05-14	United States	Speedway (retail transportation fuel and convenience store business; reported as discontinued operations)		discontinued_operations_footnote f5-10k / GLM-5.3-flash-HTML	Sale to 7-Eleven completed May 14, 2021 for cash proceeds of $21.38 billion, generating an $11.68 billion pretax gain; the headcount transferred with the business is not quantified in the filing.
2021-12-31	other	completed	170	2021-01-21	2021-07-05	St. Paul Park, Minnesota	Refining & Marketing — St. Paul Park refinery		other f5-10k / GLM-5.3-flash-HTML	Approximately 170 workers at the St. Paul Park refinery were on strike from January 21, 2021 until July 5, 2021; cited as an example of past work stoppages from labor disagreements.
2021-12-31	divestiture_reduction	completed		2021-05-14	2021-05-14	United States	Speedway retail transportation fuel and convenience store business		discontinued_operations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Sale of Speedway to 7-Eleven for $21.38 billion cash; employee headcount transferred not disclosed. MPC entered 15-year fuel supply agreements to continue supplying the buyer.
2021-12-31	other	completed	170	2021-01-21	2021-07-05	United States — St. Paul Park, Minnesota	Refining & Marketing — St. Paul Park refinery		Item_1_Business f5-10k / MiMo-V2.6-Flash-fp8-HTML	Approximately 170 workers on strike from January 21, 2021 until July 5, 2021; work stoppage, not a headcount reduction.
2021-12-31	restructuring	in_progress		2020-08-03	2024-12-31	United States — Gallup, New Mexico and Martinez, California	Refining & Marketing	USD 82 (millions)	restructuring_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Multi-year program (indefinite idling of Gallup refinery, repositioning of Martinez refinery to renewable diesel, involuntary workforce reduction plan) originally announced in 2020 affecting approximately 2,050 employees. Only FY2021 activity captured: $82 million of cash payments against the reserve; reserve balance $59 million at 2021-12-31, expected to settle through 2024. No new employees affected disclosed for FY2021.
2021-12-31	divestiture_reduction	completed		2021-02-12	2021-02-12	United States — Southwest	Midstream — MPLX Javelina assets		other f5-10k / MiMo-V2.6-Flash-fp8-HTML	MPLX sold all equity interests in MarkWest Javelina entities on 2021-02-12; associated headcount not disclosed.
2021-12-31	restructuring	completed	2,050	2020-07-01	2024-12-31	United States	Refining & Marketing	USD 172 (millions)	restructuring_footnote f5-10k / Qwen3.6-27B-Q8_0	Involuntary workforce reduction plan approved in Q3 2020. Affected approximately 2,050 employees. $172 million recorded for separation benefits. Cash payments expected through 2024. Note 19 states restructuring reserve balance was $59 million at Dec 31, 2021.
2021-12-31	plant_closure	completed		2020-07-01		New Mexico	Refining & Marketing	USD 195 (millions)	restructuring_footnote f5-10k / Qwen3.6-27B-Q8_0	Indefinite idling of Gallup refinery. $195 million in restructuring expenses recorded in 2020. Employee count not explicitly separated from the broader restructuring program in the footnote, but included in the 2,050 total affected by the strategic actions.
2021-12-31	restructuring	in_progress						USD 0 (absolute)	restructuring_footnote f5-10k / no-ai-xblr
2021-12-31	restructuring	in_progress					Segment Reconciling Items [Member]	USD 0 (absolute)	restructuring_footnote f5-10k / no-ai-xblr
2021-09-30	restructuring	completed	2,050		2024-12-31	United States	Refining & Marketing (Gallup and Martinez refineries) and corporate workforce	USD 172 (millions)	restructuring_footnote f5-10q / GLM-5.3-flash-fp4-HTML	Involuntary workforce reduction plan approved in Q3 2020, together with employee reductions from idling the Gallup refinery and repositioning the Martinez refinery, affected approximately 2,050 employees. Separation benefits of $172 million were recorded and settled in cash; MPLX reimbursed $37 million for employees providing services to MPLX. Remaining exit and disposal costs reserve of $62 million at September 30, 2021 to be paid through 2024.
2021-09-30	plant_closure	completed				Gallup, New Mexico	Refining & Marketing	USD 195 (millions)	restructuring_footnote f5-10q / GLM-5.3-flash-fp4-HTML	Gallup refinery indefinitely idled in Q3 2020; combined with Martinez repositioning actions resulted in $195 million of restructuring expenses, including $130 million expected to settle in cash for decommissioning and environmental remediation and a $51 million non-cash reserve against materials and supplies inventory. Employee reductions from this action are included in the ~2,050-employee restructuring record.
2021-09-30	restructuring	completed		2021-02-24		Martinez, California	Refining & Marketing		MD&A f5-10q / GLM-5.3-flash-fp4-HTML	Board approved plan to convert Martinez refinery to a renewable diesel facility; conversion entails repurposing and abandoning certain assets rather than a disclosed headcount reduction. Related 2020 impairment of $342 million for abandoned assets was recorded in the prior year.
2021-09-30	restructuring	in_progress	2,050	2020-07-01	2024-12-31	United States	Refining & Marketing	USD 172 (millions)	restructuring_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Announced Q3 2020: Gallup refinery idling, Martinez refinery repositioning to renewable diesel, and involuntary workforce reduction plan. Severance portion of $172M settled in cash; remaining exit/disposal reserve of $63M at 9/30/2021 expected to settle through 2024. MPLX reimbursed MPC $37M of the $172M.
2021-09-30	plant_closure	in_progress		2020-07-01	2024-12-31	United States — Gallup, New Mexico	Refining & Marketing		restructuring_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Gallup refinery indefinitely idled in Q3 2020 as part of broader restructuring program; employee reductions included in the ~2,050 total. $195M restructuring expense for Gallup and Martinez actions, of which $130M expected to settle in cash.
2021-09-30	divestiture_reduction	completed		2021-05-14	2021-05-14	United States	Speedway retail (discontinued operations)		other f5-10q / MiMo-V2.6-Flash-fp8-HTML	Sale of Speedway to 7-Eleven completed 2021-05-14 for $21.38B cash. No employee headcount for Speedway disclosed in this filing.
2021-09-30	restructuring	in_progress	2,050	2020-09-01	2024-12-31	United States	Refining & Marketing	USD 172 (millions)	restructuring_footnote f5-10q / Qwen3.6-27B-Q8_0	Involuntary workforce reduction plan approved in Q3 2020 affecting approximately 2,050 employees. Includes separation benefits payable under employee separation plan and collective bargaining agreements. Certain affected MPC employees provided services to MPLX, which reimbursed MPC for $37 million of the $172 million restructuring expenses.
2021-09-30	restructuring	in_progress						USD 0 (absolute)	restructuring_footnote f5-10q / no-ai-xblr
2021-09-30	restructuring	in_progress					Segment Reconciling Items [Member]	USD 0 (absolute)	restructuring_footnote f5-10q / no-ai-xblr
2021-06-30	restructuring	in_progress	2,050	2020-09-30		United States	Company-wide (including employees providing services to MPLX)	USD 172 (millions)	restructuring_footnote f5-10q / GLM-5.3-flash-fp4-HTML	Involuntary workforce reduction plan approved in Q3 2020, together with employee reductions from Gallup and Martinez actions, affected approximately 2,050 employees; $172 million recorded for separation benefits, settled in cash. MPLX reimbursed MPC $37 million of the $172 million.
2021-06-30	plant_closure	in_progress		2020-09-30	2024-12-31	Gallup, New Mexico	Refining & Marketing	USD 195 (millions)	restructuring_footnote f5-10q / GLM-5.3-flash-fp4-HTML	Gallup refinery indefinitely idled in Q3 2020; combined with Martinez repositioning resulted in $195 million of restructuring expenses, including $130 million expected to settle in cash for decommissioning and environmental remediation and a $51 million non-cash inventory reserve. Remaining exit and disposal costs expected to be paid through 2024.
2021-06-30	restructuring	in_progress		2021-02-24	2023-12-31	Martinez, California	Refining & Marketing		MD&A f5-10q / GLM-5.3-flash-fp4-HTML	Board approved plan to reposition Martinez refinery to a renewable diesel facility; targeted to produce approximately 260 million gallons per year by H2 2022, with potential to reach approximately 730 million gallons per year by end of 2023.
2021-06-30	divestiture_reduction	completed			2021-05-14	United States	Speedway (retail transportation fuel and convenience store business)		other f5-10q / GLM-5.3-flash-fp4-HTML	Sale of Speedway to 7-Eleven completed May 14, 2021 for cash proceeds of approximately $21.38 billion, resulting in a pretax gain of $11.68 billion; Speedway headcount removed from consolidated operations, though no employee count was disclosed.
2021-06-30	restructuring	in_progress	2,050	2020-07-01	2024-12-31	United States	Refining & Marketing (Gallup, NM and Martinez, CA refineries) and corporate	USD 77 (millions)	restructuring_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Announced Q3 2020; involuntary workforce reduction plan plus Gallup idling and Martinez repositioning affected ~2,050 employees. Reserve balance $77M at 2021-06-30; cash payments expected through 2024. Announcement date approximate (Q3 2020).
2021-06-30	divestiture_reduction	completed		2021-05-14	2021-05-14	United States	Speedway retail transportation fuel and convenience store business		other f5-10q / MiMo-V2.6-Flash-fp8-HTML	Sale of Speedway to 7-Eleven completed 2021-05-14 for $21.38B cash. No employee headcount associated with the divestiture was disclosed.
2021-06-30	restructuring	in_progress	2,050	2020-09-30	2024-12-31	United States	Refining & Marketing	USD 172 (millions)	restructuring_footnote f5-10q / Qwen3.6-27B-Q8_0	Involuntary workforce reduction plan approved in Q3 2020 affecting approximately 2,050 employees. $172 million recorded for separation benefits. Cash payments expected through 2024.
2021-03-31	restructuring	in_progress	2,050	2020-07-01	2024-12-31	United States	Refining & Marketing (Gallup and Martinez refineries) plus company-wide workforce reduction	USD 367 (millions)	restructuring_footnote f5-10q / GLM-5.3-flash-fp4-HTML	2020 program: indefinite idling of Gallup refinery, repositioning Martinez to renewable diesel, and involuntary workforce reduction affecting approximately 2,050 employees; $172 million for separation benefits, $195 million for exit/disposal costs including $51 million non-cash inventory reserve; MPLX reimbursed $37 million of separation costs; remaining reserve of $93 million at March 31, 2021 with cash payments expected through 2024.
2021-03-31	plant_closure	in_progress		2020-07-01		Gallup, New Mexico	Refining & Marketing		restructuring_footnote f5-10q / GLM-5.3-flash-fp4-HTML	Gallup refinery indefinitely idled in Q3 2020 as part of strategic actions; included in the $195 million exit and disposal cost component of the 2020 restructuring program.
2021-03-31	other	in_progress		2021-02-24	2023-12-31	Martinez, California	Refining & Marketing		MD&A f5-10q / GLM-5.3-flash-fp4-HTML	Board approved plan to convert Martinez refinery to a renewable diesel facility; initial production of roughly 260 million gallons per year targeted for second half of 2022, with potential full capacity of about 730 million gallons per year by end of 2023.
2021-03-31	restructuring	in_progress		2020	2024-12-31	United States (Gallup, New Mexico; Martinez, California)	Refining & Marketing	USD 195 (millions)	restructuring_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Announced during Q3 2020 (exact date not disclosed). Covers indefinite idling of the Gallup refinery and repositioning of Martinez to renewable diesel; includes $130M expected cash for decommissioning/environmental and a $51M non-cash inventory reserve. Cash payments on remaining exit/disposal reserve expected through 2024; $87M exit/disposal reserve remained at 2021-03-31.
2021-03-31	reduction_in_force	in_progress	2,050	2020		United States	Company-wide (involuntary workforce reduction plan, including Gallup and Martinez actions)	USD 172 (millions)	restructuring_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Approved during Q3 2020; approximately 2,050 employees affected per separation plans and certain collective bargaining agreements. MPLX reimbursed MPC $37M of the charge. Employee separation reserve fell from $38M to $6M during Q1 2021 ($32M cash paid); total restructuring reserve $93M at 2021-03-31.
2021-03-31	divestiture_reduction	announced		2020-08-02	2021-06-30	United States	Speedway (retail transportation fuel and convenience stores)		other f5-10q / MiMo-V2.6-Flash-fp8-HTML	Sale to 7-Eleven for $21 billion cash; expected to close in Q2 2021 subject to regulatory approvals. No headcount associated with the divestiture is disclosed in this filing. Depreciation on Speedway assets ceased 2020-08-02.
2021-03-31	restructuring	in_progress	2,050	2020-09-30	2024-12-31	United States	Refining & Marketing	USD 172 (millions)	restructuring_footnote f5-10q / Qwen3.6-27B-Q8_0	Involuntary workforce reduction plan approved in Q3 2020 affecting approximately 2,050 employees. Includes reductions from Gallup refinery idling and Martinez refinery repositioning. $172 million recorded for separation benefits. $37 million reimbursed by MPLX. Cash payments expected through 2024.
2020-12-31	reduction_in_force	in_progress	2,050	2020		United States	Company-wide (items not allocated to segments)	USD 172 (millions)	restructuring_footnote f5-10k / GLM-5.3-flash-HTML	Involuntary workforce reduction plan approved during Q3 2020; the ~2,050 employee count is disclosed combined with employee reductions resulting from the Gallup idling and Martinez repositioning actions. Part of a $367 million total 2020 restructuring program ($172 million employee separation costs plus $195 million exit and disposal costs). MPLX reimbursed MPC for $37 million of the $172 million. Restructuring reserves of $141 million remained at December 31, 2020, with the majority of cash payments expected within nine months.
2020-12-31	plant_closure	in_progress		2020		Gallup, New Mexico, United States	Refining & Marketing — Gallup refinery		restructuring_footnote f5-10k / GLM-5.3-flash-HTML	Refinery indefinitely idled during Q3 2020 as one of the announced strategic actions. Employee reductions are included in the combined ~2,050 count in the reduction_in_force record. Exit and disposal costs for Gallup and Martinez were disclosed combined at $195 million, of which $130 million is expected to settle in cash (decommissioning of processing units, storage tanks and environmental remediation) and $51 million was a non-cash materials and supplies inventory reserve.
2020-12-31	restructuring	in_progress		2020		Martinez, California, United States	Refining & Marketing — Martinez refinery		restructuring_footnote f5-10k / GLM-5.3-flash-HTML	Actions initiated in Q3 2020 to strategically reposition the refinery into a renewable diesel facility; the board approved the conversion plans on February 24, 2021, after fiscal year-end. Employee reductions are included in the combined ~2,050 count in the reduction_in_force record; exit and disposal costs were disclosed combined with the Gallup refinery at $195 million. Abandoned Martinez assets also drove a separate $342 million long-lived asset impairment recorded in Q3 2020.
2020-12-31	divestiture_reduction	announced		2020-08-02	2021-03-31	United States	Speedway retail convenience-store business (reported as discontinued operations)		Item_1_Business f5-10k / GLM-5.3-flash-HTML	Definitive agreement dated August 2, 2020 to sell Speedway to 7-Eleven for $21 billion in cash; targeted to close by the end of the first quarter of 2021, subject to customary conditions and regulatory approvals. Affected headcount is not separately disclosed; total workforce including Speedway was approximately 57,900 at December 31, 2020 versus approximately 18,600 excluding Speedway. Also disclosed in the discontinued operations footnote.
2020-12-31	other	in_progress	192	2021-01-21		St. Paul Park, Minnesota, United States	Refining & Marketing — St. Paul Park refinery		other f5-10k / GLM-5.3-flash-HTML	Strike: approximately 192 workers at the St. Paul Park refinery have been on strike since January 21, 2021 (subsequent to fiscal year-end) and remained on strike as of the filing date. The workers are covered by a collective bargaining agreement that expired December 31, 2020.
2020-12-31	restructuring	in_progress	2,050	2020-08-03		United States	Corporate / Refining (Gallup and Martinez refineries)	USD 367 (millions)	restructuring_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	FY2020 restructuring: indefinite idling of Gallup refinery, repositioning of Martinez refinery to renewable diesel, and involuntary workforce reduction plan. Total charge $367M, of which $172M for employee separation costs affecting approximately 2,050 employees and $195M for exit/disposal costs. $141M accrued at year-end; majority expected to be paid within nine months.
2020-12-31	plant_closure	in_progress		2020-08-03		United States — Gallup, New Mexico	Refining & Marketing	USD 195 (millions)	restructuring_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Indefinite idling of Gallup refinery and Martinez repositioning resulted in $195M of restructuring expenses (exit and disposal costs), of which $130M expected to settle in cash. Employee separation counts are bundled with the overall 2,050 figure above.
2020-12-31	divestiture_reduction	announced		2020-08-02	2021-03-31	United States	Speedway (retail transportation fuel and convenience stores)		discontinued_operations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Agreement to sell Speedway to 7-Eleven for $21 billion in cash, targeted to close by end of Q1 2021. Speedway operated approximately 3,839 company-owned convenience stores; headcount associated with the divestiture not disclosed. Speedway results reported as discontinued operations for all periods presented.
2020-12-31	other	in_progress	192	2021-01-21		United States — St. Paul Park, Minnesota	Refining & Marketing — St. Paul Park refinery		Item_1_Business f5-10k / MiMo-V2.6-Flash-fp8-HTML	Approximately 192 workers at the St. Paul Park refinery have been on strike since January 21, 2021 (subsequent to fiscal year-end). Their collective bargaining agreement expired December 31, 2020.
2020-12-31	restructuring	completed	2,050	2020-09-30		United States	Refining & Marketing	USD 367 (millions)	restructuring_footnote f5-10k / Qwen3.6-27B-Q8_0	Includes indefinite idling of Gallup refinery, strategic repositioning of Martinez refinery to renewable diesel, and involuntary workforce reduction. Charge includes $195M exit costs and $172M employee separation costs.
2020-12-31	restructuring	in_progress	2,050					USD 367,000,000 (absolute)	restructuring_footnote f5-10k / no-ai-xblr
2020-12-31	restructuring	in_progress					Facility Closing [Member]	USD 195,000,000 (absolute)	restructuring_footnote f5-10k / no-ai-xblr
2020-12-31	restructuring	in_progress					Employee Severance [Member]	USD 172,000,000 (absolute)	restructuring_footnote f5-10k / no-ai-xblr
2020-12-31	restructuring	in_progress					Subsidiaries [Member] / Employee Severance [Member]	USD 37,000,000 (absolute)	restructuring_footnote f5-10k / no-ai-xblr
2020-12-31	restructuring	in_progress					Segment Reconciling Items [Member]	USD -367,000,000 (absolute)	restructuring_footnote f5-10k / no-ai-xblr
2020-09-30	restructuring	in_progress	2,050	2020-09-30		United States	Refining & Marketing	USD 348 (millions)	restructuring_footnote f5-10q / GLM-5.3-flash-fp4-HTML	Strategic actions announced in Q3 2020 to optimize assets and lower costs, including indefinite idling of Gallup, NM and Martinez, CA refineries plus an involuntary workforce reduction plan affecting approximately 2,050 employees. Includes $189 million of exit and disposal costs and $159 million of employee separation benefits; MPLX reimbursed $36 million of the separation costs. $291 million accrued at September 30, 2020, with most cash payments expected within twelve months.
2020-09-30	plant_closure	in_progress		2020-09-30		Gallup, New Mexico; Martinez, California	Refining & Marketing	USD 189 (millions)	restructuring_footnote f5-10q / GLM-5.3-flash-fp4-HTML	Indefinite idling of the Gallup and Martinez refineries and progression of the Martinez conversion to a renewable diesel facility resulted in $189 million of restructuring expenses, including $130 million expected to settle in cash for decommissioning and environmental remediation and a $51 million non-cash reserve against materials and supplies inventory. Martinez renewable diesel production expected to start in 2022 with potential full capacity of 48,000 barrels per day in 2023.
2020-09-30	divestiture_reduction	announced		2020-08-02	2021-03-31	United States	Speedway (retail/convenience stores)		other f5-10q / GLM-5.3-flash-fp4-HTML	Definitive agreement to sell Speedway business to 7-Eleven, Inc. for $21 billion in cash, subject to adjustments; expected to close in Q1 2021. No employee headcount associated with the divestiture was disclosed in this filing.
2020-09-30	reduction_in_force	in_progress	2,050			United States	Enterprise-wide (includes Martinez and Gallup refinery workforce reductions)	USD 159 (millions)	restructuring_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Approximately 2,050 employees affected by the involuntary workforce reduction plan plus reductions from idling Martinez and Gallup refineries; announced during Q3 2020 (exact date not disclosed). MPLX reimbursed MPC $36M of the $159M. $291M of restructuring reserves accrued at quarter-end, majority expected to settle in cash within twelve months.
2020-09-30	plant_closure	in_progress				United States (Gallup, New Mexico; Martinez, California)	Refining & Marketing	USD 189 (millions)	restructuring_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Indefinite idling of Gallup and Martinez refineries and Martinez renewable-diesel conversion activities; $130M expected to settle in cash (decommissioning and environmental remediation) and $51M non-cash materials and supplies inventory reserve. Employee counts for this component are not separately disclosed and are included in the 2,050 figure above.
2020-09-30	restructuring	in_progress	2,050	2020-09-30		United States	Refining & Marketing	USD 159 (millions)	restructuring_footnote f5-10q / Qwen3.6-27B-Q8_0	Involuntary workforce reduction plan affecting approximately 2,050 employees, including reductions from idling Gallup and Martinez refineries. $159 million recorded for separation benefits. $36 million reimbursed by MPLX.
2020-09-30	plant_closure	in_progress		2020-09-30		New Mexico, California	Refining & Marketing	USD 189 (millions)	restructuring_footnote f5-10q / Qwen3.6-27B-Q8_0	Indefinite idling of Gallup and Martinez refineries. $189 million in restructuring expenses for decommissioning, environmental remediation, and inventory reserves. Employee count included in broader restructuring action.
2020-09-30	restructuring	in_progress	2,050					USD 348,000,000 (absolute)	restructuring_footnote f5-10q / no-ai-xblr
2020-09-30	restructuring	in_progress					Facility Closing [Member]	USD 189,000,000 (absolute)	restructuring_footnote f5-10q / no-ai-xblr
2020-09-30	restructuring	in_progress					Employee Severance [Member]	USD 159,000,000 (absolute)	restructuring_footnote f5-10q / no-ai-xblr
2020-09-30	restructuring	in_progress					Subsidiaries [Member] / Employee Severance [Member]	USD 36,000,000 (absolute)	restructuring_footnote f5-10q / no-ai-xblr
2020-09-30	restructuring	in_progress					Segment Reconciling Items [Member]	USD -348,000,000 (absolute)	restructuring_footnote f5-10q / no-ai-xblr
2020-06-30	divestiture_reduction	announced		2020-08-02	2021-03-31	United States	Retail (Speedway)		subsequent_events f5-10q / MiMo-V2.6-Flash-fp8-HTML	Definitive agreement to sell Speedway to 7-Eleven for $21B cash; no employee count disclosed. Expected close Q1 2021.
2020-06-30	plant_closure	announced		2020-08-03		United States	Refining & Marketing (Gallup and Martinez refineries)		MD&A f5-10q / MiMo-V2.6-Flash-fp8-HTML	Decision to indefinitely idle Gallup and Martinez refineries; evaluating Martinez conversion to renewable diesel. No employee count disclosed.
2019-12-31	divestiture_reduction	announced		2019-10-31	2020-12-31	United States	Retail (Speedway)		Item_1_Business f5-10k / GLM-5.3-flash-HTML	Announced plan to spin off the Speedway retail fuel and convenience store business into an independent public company via tax-free distribution, targeted for Q4 2020 subject to conditions. No employee count quantified; MPC retains the direct dealer business, so full Retail segment headcount (~40,390) would not transfer.
2019-12-31	divestiture_reduction	announced		2019-10-31	2020-12-31	United States	Retail (Speedway)		Item_1_Business f5-10k / MiMo-V2.6-Flash-fp8-HTML	Planned tax-free spin-off of the Speedway retail transportation fuel and convenience store business into an independent public company, targeted for completion in the fourth quarter of 2020 subject to conditions; no affected-employee count disclosed. MPC would retain the direct dealer business.
2019-12-31	acquisition_addition	completed		2019-07-30	2019-07-30	United States	Midstream		other f5-10k / MiMo-V2.6-Flash-fp8-HTML	MPLX completed its acquisition of Andeavor Logistics LP (ANDX), which survived as a wholly-owned MPLX subsidiary; treated as a common control transaction. No headcount added through the transaction is disclosed.
2019-09-30	acquisition_addition	completed		2019-07-30	2019-07-30	United States	Midstream		business_combinations_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	MPLX completed its acquisition of Andeavor Logistics LP (ANDX) on 2019-07-30; ANDX became a wholly-owned MPLX subsidiary. No employee headcount added was disclosed.
2019-09-30	divestiture_reduction	announced		2019-10-31	2020-12-31	United States	Retail (Speedway)		subsequent_events f5-10q / MiMo-V2.6-Flash-fp8-HTML	Announced plan to separate the Speedway retail transportation fuel and convenience store business into an independent publicly traded company via tax-free distribution; expected completion by year-end 2020, subject to conditions. No affected-employee count disclosed.
2019-09-30	restructuring	in_progress					Corporate	USD 147 (millions)	MD&A f5-10q / Qwen3.6-27B-Q8_0	Transaction-related costs associated with the Andeavor acquisition, including employee retention, severance, and recognition of an obligation for vacation benefits provided to former Andeavor employees.
2019-06-30	restructuring	in_progress					Corporate	USD 34 (millions)	MD&A f5-10q / Qwen3.6-27B-Q8_0	Transaction-related costs associated with the Andeavor acquisition including employee retention, severance and other costs.
2019-06-30	restructuring	in_progress					Corporate	USD 125 (millions)	MD&A f5-10q / Qwen3.6-27B-Q8_0	Transaction-related costs associated with the Andeavor acquisition including obligation for vacation benefits for former Andeavor employees, employee retention, severance and other costs.
2019-03-31	restructuring	completed		2019-03-31	2019-03-31	United States	Corporate	USD 91 (millions)	MD&A f5-10q / Qwen3.6-27B-Q8_0	Transaction-related costs of $91 million recognized in Q1 2019, largely relating to the recognition of an obligation for vacation benefits provided to former Andeavor employees.
2018-12-31	acquisition_addition	completed		2018-04-30	2018-10-01	United States — primarily Western and Mid-Continent regions	Refining & Marketing, Retail, Midstream	USD 23,462 (millions)	business_combinations_footnote f5-10k / GLM-5.3-flash-HTML	Merger with Andeavor completed October 1, 2018, adding 10 refineries, approximately 1,100 company-operated convenience stores and 1,065 direct dealer locations; the combined workforce is included in the December 31, 2018 headcount, but the filing does not disclose the number of employees added through the acquisition. Associated value is the total fair value of consideration transferred ($19.77 billion in stock plus $3.49 billion cash and other components), not a severance or restructuring charge. Initial synergy estimates were provided April 30, 2018; the registration statement was declared effective August 3, 2018. A smaller Q4 2018 Speedway acquisition of 78 Express Mart store locations ($266 million) also added retail workforce without a disclosed headcount.
2018-12-31	acquisition_addition	completed		2018-10-01	2018-10-01	United States	Refining, Retail, Midstream		business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Andeavor acquisition closed 2018-10-01; added 10 refineries, ~1,100 company-owned retail locations and fuel-only locations, and long-term supply contracts for 1,065 direct dealer locations. Headcount added not quantified in the filing.
2018-12-31	acquisition_addition	completed		2018-12-31	2018-12-31	United States (New York)	Retail		business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Speedway acquired 78 store locations from Petr-All Petroleum Consulting Corporation for $266 million in the fourth quarter of 2018; associated headcount not disclosed.
2018-12-31	acquisition_addition	completed		2018-09-26	2018-09-26	United States (Gulf Coast)	Midstream		business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	MPLX acquired an eastern U.S. Gulf Coast export terminal for $451 million; associated headcount not disclosed.
2018-12-31	acquisition_addition	completed		2018-10-01	2018-10-01	United States	Refining & Marketing, Retail, Midstream		Item_1_Business f5-10k / Qwen3.6-27B-Q8_0	Completed acquisition of Andeavor on October 1, 2018. Specific headcount added is not disclosed, but total employee count increased to 60,350 as of Dec 31, 2018.
2018-12-31	other	completed		2018-02-01	2018-02-01	United States	Midstream		Item_1_Business f5-10k / Qwen3.6-27B-Q8_0	Dropdown of refining logistics assets and fuels distribution services to MPLX. No specific employee transfer count disclosed.
2016-12-31	other	completed				Southeast United States	Speedway		business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Finalized in the fourth quarter of 2016: Speedway contributed 41 existing travel plaza locations to the PFJ Southeast LLC joint venture with Pilot Flying J (82 locations contributed by Pilot Flying J); no gain recognized on the $272 million non-cash contribution. Speedway convenience store count fell from 2,766 to 2,733, which the filing attributes primarily to this contribution. No employee counts associated with the transferred locations are disclosed.
2015-12-31	acquisition_addition	completed		2015-07-11	2015-12-04	United States	Midstream		Item_1_Business f5-10k / GLM-5.3-flash-HTML	Merger agreement between MPLX and MarkWest dated July 11, 2015 (per merger agreement referenced in the filing's exhibits); transaction closed December 4, 2015. Filing states the workforce was augmented by the addition of MarkWest's employees to MPC, but no headcount is quantified. MarkWest assets reported in the Midstream segment.
2015-12-31	acquisition_addition	completed		2015-07-11	2015-12-04	United States (Marcellus/Utica shale regions, Appalachia, Midwest, Gulf Coast, Oklahoma, Texas)	Midstream		business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	MPLX merged with MarkWest effective 2015-12-04; total consideration $8.61 billion. Headcount added not disclosed; MarkWest represents approximately 26 percent of consolidated total assets at 2015-12-31 and was excluded from the ICFR assessment. $36 million of transaction costs expensed.
2015-12-31	other	completed		2015-09-30	2015-12-31	United States (Midwest, East Coast, Southeast)	Speedway		Item_1_Business f5-10k / MiMo-V2.6-Flash-fp8-HTML	Conversion of convenience stores acquired from Hess (2014) to the Speedway brand was substantially complete by year-end 2015, with remaining conversions planned by end of Q2 2016; store-level workforce impact not quantified.
2015-12-31	acquisition_addition	completed		2015-12-04	2015-12-04	United States	Midstream		Item 1. Business f5-10k / Qwen3.6-27B-Q8_0	Merger of MPLX and MarkWest effective December 4, 2015. Workforce augmented with addition of MarkWest employees.
2015-12-31	acquisition_addition	completed		2014-09-30	2014-09-30	United States	Speedway		Item 1. Business f5-10k / Qwen3.6-27B-Q8_0	Acquisition of Hess Retail Operations and Related Assets completed September 30, 2014. Expanded Speedway presence to 22 states.
2015-09-30	other	completed				United States (Canton, Catlettsburg, Texas City, Galveston Bay refineries)	Refining & Marketing — hourly refinery workers		MD&A f5-10q / MiMo-V2.6-Flash-fp8-HTML	New collective bargaining agreements for hourly refinery workers at four refineries were ratified in the first half of 2015; Canton, Catlettsburg and Galveston Bay run through 2019-01-31, Texas City through 2019-03-31. No employee counts or ratification dates disclosed.
2015-06-30	other	completed		2015-03-01		Canton, Ohio; Catlettsburg, Kentucky	Refining & Marketing		MD&A f5-10q / GLM-5.3-flash-fp4-HTML	New collective bargaining agreements for hourly refinery workers at Canton and Catlettsburg refineries were ratified in March and April 2015; both expire January 31, 2019.
2015-06-30	other	completed		2015-04-01		Texas City, Texas	Refining & Marketing		MD&A f5-10q / GLM-5.3-flash-fp4-HTML	Collective bargaining agreement for hourly refinery workers at Texas City refinery ratified in April 2015; expires March 31, 2019.
2015-06-30	other	completed		2015-06-23		Galveston Bay, Texas	Refining & Marketing		MD&A f5-10q / GLM-5.3-flash-fp4-HTML	Labor agreement for the Galveston Bay refinery was ratified on June 23, 2015 and expires January 31, 2019.
2015-06-30	other	completed		2015-06-23		United States — Texas	Refining & Marketing — Galveston Bay refinery (hourly workers)		MD&A f5-10q / MiMo-V2.6-Flash-fp8-HTML	Labor agreement for Galveston Bay refinery ratified June 23, 2015; scheduled to expire January 31, 2019. No affected-employee count disclosed.
2015-06-30	other	completed		2015-04-30		United States — Ohio, Kentucky, Texas	Refining & Marketing — Canton, Catlettsburg, and Texas City refineries (hourly workers)		MD&A f5-10q / MiMo-V2.6-Flash-fp8-HTML	New collective bargaining agreements ratified in March and April 2015. Canton and Catlettsburg expire January 31, 2019; Texas City expires March 31, 2019. Exact ratification dates not specified; announcement_date is approximate end of disclosed window. No affected-employee count disclosed.
2015-03-31	other	completed		2015-03-01		United States	Refining & Marketing - Canton and Catlettsburg refineries		MD&A f5-10q / GLM-5.3-flash-fp4-HTML	New collective bargaining agreements for hourly refinery workers at Canton and Catlettsburg refineries were ratified in March and April 2015, expiring January 31, 2019.
2015-03-31	other	in_progress		2015-01-31		United States	Refining & Marketing - Galveston Bay refinery		MD&A f5-10q / GLM-5.3-flash-fp4-HTML	Labor agreement for the Galveston Bay refinery expired January 31, 2015 with no successor agreement finalized; a work stoppage continues at the facility.
2015-03-31	other	completed		2015-04-01	2019-03-31	United States	Refining & Marketing - Texas City refinery		MD&A f5-10q / GLM-5.3-flash-fp4-HTML	New collective bargaining agreement for hourly refinery workers at the Texas City refinery ratified in April 2015, scheduled to expire March 31, 2019.
2015-03-31	other	completed		2015-03-31	2015-04-30	United States (Canton OH, Catlettsburg KY, Texas City TX)	Refining & Marketing — hourly refinery workers		MD&A f5-10q / MiMo-V2.6-Flash-fp8-HTML	New collective bargaining agreements for hourly refinery workers at Canton, Catlettsburg and Texas City ratified in March and April 2015; expire 2019-01-31 (Canton, Catlettsburg) and 2019-03-31 (Texas City). No affected-employee count disclosed.
2015-03-31	other	in_progress		2015-01-31		United States (Texas City, TX)	Refining & Marketing — Galveston Bay refinery		MD&A f5-10q / MiMo-V2.6-Flash-fp8-HTML	Labor agreement expired 2015-01-31 with no successor agreement finalized; work stoppage continues at the Galveston Bay refinery as of the filing date. No affected-employee count disclosed.
2015-03-31	other	in_progress				Galveston Bay, Texas	Refining & Marketing		MD&A f5-10q / Qwen3.6-27B-Q8_0	Work stoppage continues at Galveston Bay refinery; labor agreement expired Jan 31, 2015 with no successor agreement finalized.
2015-03-31	other	completed			2019-01-31	Canton, Ohio; Catlettsburg, Kentucky	Refining & Marketing		MD&A f5-10q / Qwen3.6-27B-Q8_0	New collective bargaining agreements for hourly refinery workers ratified in March 2015, expiring Jan 31, 2019.
2015-03-31	other	completed			2019-03-31	Texas City, Texas	Refining & Marketing		MD&A f5-10q / Qwen3.6-27B-Q8_0	New collective bargaining agreement for hourly refinery workers ratified in April 2015, expiring Mar 31, 2019.
2014-12-31	other	in_progress		2015-02-01		United States (Kentucky; Texas)	Refining & Marketing — Catlettsburg, KY and Galveston Bay, TX refineries		Item_1_Business f5-10k / GLM-5.3-flash-HTML	Work stoppages under United Steelworkers representation; collective bargaining agreements at the two refineries expired 2015-01-31 with no successor agreements. Stoppages reported active as of 2015-02-01, after fiscal year-end but before filing; impacted refineries stated to be operating normally. Canton refinery agreement extended on a rolling 24-hour notice basis and Texas City agreement set to expire 2015-03-31; no affected-employee count disclosed.
2014-12-31	acquisition_addition	completed		2014-09-30	2014-09-30	United States (East Coast and Southeast)	Speedway	USD 2,821 (millions)	business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Acquired all Hess retail locations, transport operations and pipeline shipper history for $2.82 billion, expanding Speedway from nine to 22 states; acquired headcount not disclosed
2014-12-31	other	in_progress		2015-01-31		Kentucky and Texas	Refining & Marketing (Catlettsburg and Galveston Bay refineries)		Item_1_Business f5-10k / MiMo-V2.6-Flash-fp8-HTML	Labor agreements at Canton, Catlettsburg and Galveston Bay expired 2015-01-31 with no successor agreements; work stoppages underway at Catlettsburg and Galveston Bay as of 2015-02-01, with impacted refineries continuing to operate normally; Canton agreement extended on rolling 24-hour notice; Texas City agreement expires 2015-03-31
2014-09-30	acquisition_addition	completed		2014-09-30	2014-09-30	United States (East Coast, Southeast, Midwest)	Speedway		business_combinations_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Acquisition of Hess retail locations and transport operations for $2.82 billion added 1,245 convenience stores; no employee headcount associated with the acquisition is disclosed.
2013-12-31	acquisition_addition	completed		2013-02-01	2013-02-01	Texas City, Texas, United States	Refining & Marketing and Pipeline Transportation	USD 2,088 (millions)	business_combinations_footnote f5-10k / GLM-5.3-flash-HTML	Acquired the 451,000 bpcd Galveston Bay refinery and related logistics/marketing assets from BP on February 1, 2013. Total consideration of $2,088 million includes $600 million fair value of contingent consideration. Number of employees added through the acquisition is not disclosed; the transaction assumed $43 million of retiree medical obligations, indicating an assumed workforce.
2013-12-31	acquisition_addition	announced		2014-02-03	2014-04	Cincinnati, Ohio, United States	Biodiesel and glycerin production facility		subsequent_events f5-10k / GLM-5.3-flash-HTML	Agreement announced February 3, 2014 to purchase a biodiesel/glycerin facility (4,100 barrels per day capacity) from Felda Iffco Sdn Bhd, Malaysia; closing expected April 2014. Associated employee headcount not disclosed.
2013-12-31	acquisition_addition	completed		2013-02-01	2013-02-01	Texas City, Texas (US Gulf Coast)	Refining & Marketing; Pipeline Transportation		business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Acquisition from BP of the 451,000 bpd Galveston Bay refinery, related pipelines, terminals and marketing contracts; headcount transferred not disclosed. Total consideration $2,088 million.
2013-12-31	acquisition_addition	completed		2013-12-31	2013-12-31	Tennessee, western Indiana, western Pennsylvania (US Midwest)	Speedway		business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Speedway acquired nine convenience stores during 2013, adding $8 million of goodwill; associated store-level headcount not disclosed. Dates reflect the fiscal year of completion, exact closing dates not stated.
2013-12-31	acquisition_addition	announced		2014-02-03	2014-04-30	Cincinnati, Ohio, United States	Refining & Marketing (biodiesel/glycerin production)		subsequent_events f5-10k / MiMo-V2.6-Flash-fp8-HTML	Agreement signed after fiscal year-end to purchase a 4,100 bpd biodiesel and glycerin facility from Felda Iffco Sdn Bhd; expected close April 2014. Headcount not disclosed.
2012-12-31	acquisition_addition	completed	2,025	2013-02-01	2013-02-01	United States (Texas City, Texas refinery and related Gulf Coast assets)	Refining & Marketing		Item_1_Business f5-10k / GLM-5.3-flash-HTML	Employees added upon the February 1, 2013 closing of the Galveston Bay Refinery and Related Assets acquisition from BP; a subsequent event relative to the December 31, 2012 fiscal year-end (acquisition described in Note 26). announcement_date reflects the closing date; the filing does not state when the BP transaction was first announced. No severance or restructuring charge was disclosed in connection with this headcount addition.
2012-12-31	acquisition_addition	completed	2,025	2013-02-01	2013-02-01	United States — Texas Gulf Coast	Refining & Marketing		subsequent_events f5-10k / MiMo-V2.6-Flash-fp8-HTML	Approximately 2,025 employees added with the February 1, 2013 acquisition of the Galveston Bay Refinery and Related Assets from BP; excluded from the December 31, 2012 headcount total
2012-12-31	acquisition_addition	completed		2012-05-01	2012-05-31	United States — Indiana and Ohio	Speedway		business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Speedway acquired 87 convenience stores from GasAmerica Services, Inc.; associated workforce additions not quantified in the filing
2012-12-31	acquisition_addition	completed		2012-07-01	2012-07-31	United States — northern Kentucky and southwestern Ohio	Speedway		business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Speedway acquired 10 convenience stores from Road Ranger LLC in exchange for cash and a Chicago-area truck stop; associated workforce additions not quantified in the filing
2012-12-31	acquisition_addition	completed	2,025	2013-02-01	2013-02-01	United States	Refining & Marketing		Item 1. Business - Employees f5-10k / Qwen3.6-27B-Q8_0	Approximately 2,025 employees added in February 2013 associated with the Galveston Bay Refinery and Related Assets acquisition. This is a subsequent event relative to the fiscal year-end.
2012-09-30	other	completed		2012-08-31		United States — Catlettsburg, Kentucky	Refining & Marketing — hourly workers		MD&A f5-10q / MiMo-V2.6-Flash-fp8-HTML	Collective bargaining agreement for hourly workers expired January 2012; temporarily extended during negotiations. Union ratified a new agreement in August 2012 and agreed to dismiss unfair labor practice charges filed with the NLRB; new agreement expires January 2015. Number of affected employees not disclosed.
2012-06-30	other	in_progress		2012-04-30		Kentucky	Refining & Marketing - Catlettsburg refinery		MD&A f5-10q / GLM-5.3-flash-fp4-HTML	Collective bargaining agreement for hourly workers expired January 2012; company declared impasse and implemented final offer in late April 2012. Union filed unfair labor practice charges with NLRB; no work stoppage has occurred but risk of temporary work stoppage remains until a new contract is ratified.
2012-06-30	other	in_progress		2012-04		United States (Catlettsburg, Kentucky)	Refining & Marketing — Catlettsburg refinery hourly workforce		MD&A f5-10q / MiMo-V2.6-Flash-fp8-HTML	Collective bargaining agreement for hourly workers expired January 2012; impasse declared and company implemented its last, best and final offer in late April 2012. No work stoppage had occurred; unfair labor practice charges pending before the National Labor Relations Board, with increased risk of a temporary work stoppage.
2012-06-30	acquisition_addition	completed		2012-05		United States (Indiana and Ohio)	Speedway		business_combinations_footnote f5-10q / MiMo-V2.6-Flash-fp8-HTML	Speedway LLC acquired 87 convenience stores from GasAmerica Services, Inc. along with inventory, intangibles and two parcels of real estate; $83 million of goodwill recorded. Number of employees acquired not disclosed.
2012-06-30	acquisition_addition	completed		2012-07		United States (northern Kentucky and southwestern Ohio)	Speedway		MD&A f5-10q / MiMo-V2.6-Flash-fp8-HTML	Post-quarter event: Speedway LLC acquired 10 convenience stores from Road Ranger LLC in exchange for cash and a Chicago-area truck stop. Number of employees acquired not disclosed.
2012-03-31	other	in_progress				Catlettsburg, Kentucky	Refining & Marketing		MD&A f5-10q / GLM-5.3-flash-fp4-HTML	Collective bargaining agreement for hourly workers expired January 2012; negotiations reached impasse and company implemented final offer. No work stoppage has occurred, but increased risk of temporary work stoppage until a new contract is ratified.
2012-03-31	acquisition_addition	announced		2012-02-09	2012-06-30	Indiana and Ohio	Speedway		subsequent_events f5-10q / GLM-5.3-flash-fp4-HTML	Speedway agreed to acquire 88 convenience stores from GasAmerica Services, Inc. plus undeveloped real estate; headcount not disclosed. Closing anticipated by end of Q2 2012 subject to regulatory approvals and due diligence.
2012-03-31	other	in_progress		2012-01		United States (Catlettsburg, Kentucky)	Refining & Marketing — Catlettsburg refinery hourly workforce		MD&A f5-10q / MiMo-V2.6-Flash-fp8-HTML	Collective bargaining agreement for hourly workers expired January 2012 and was temporarily extended; negotiations reached impasse and the company implemented its final offer to the union. No work stoppage had occurred, but the filing cites an increased risk of a temporary stoppage until a new contract is ratified. No affected-employee count disclosed.
2012-03-31	acquisition_addition	announced		2012-02-09	2012-06-30	United States (Indiana and Ohio)	Speedway — retail/convenience stores		subsequent_events f5-10q / MiMo-V2.6-Flash-fp8-HTML	Speedway signed an agreement to acquire 88 convenience stores from GasAmerica Services, Inc. plus several undeveloped parcels; anticipated to close by the end of Q2 2012 subject to regulatory approvals and customary conditions. Associated headcount not disclosed.
2012-03-31	other	in_progress		2012-01-01		United States	Refining & Marketing		MD&A f5-10q / Qwen3.6-27B-Q8_0	Collective bargaining agreement for hourly workers at Catlettsburg refinery expired in January 2012. Negotiations reached impasse; company implemented final offer. Increased risk of temporary work stoppage noted.
2011-12-31	divestiture_reduction	completed	2,473	2010-12-01		Minnesota / Upper Great Plains region, United States	Primarily Speedway; also Refining & Marketing (St. Paul Park refinery and terminals) and Pipeline Transportation		Item_1_Business f5-10k / GLM-5.3-flash-HTML	Minnesota Assets sold December 1, 2010 (announcement_date reflects the sale completion date disclosed in this filing); approximately 2,473 employees transitioned to the buyer during fiscal 2011, primarily from Speedway. Transaction value approximately $935 million. Filer separately discloses 182 remaining employees who transitioned in January 2012.
2011-12-31	divestiture_reduction	completed	182	2010-12-01	2012-01	Minnesota / Upper Great Plains region, United States	Minnesota Assets operations (transition services to buyer)		Item_1_Business f5-10k / GLM-5.3-flash-HTML	Tail of the Minnesota Assets divestiture: remaining employees were still working in those operations at December 31, 2011 and transitioned to the buyer in January 2012, after fiscal year-end but before the February 29, 2012 filing date.
2011-12-31	acquisition_addition	completed		2011		Chicago market; Illinois and Indiana, United States	Speedway		business_combinations_footnote f5-10k / GLM-5.3-flash-HTML	Speedway acquired 23 convenience stores during 2011 for $72 million plus $2 million of associated inventory ($74 million total); acquired-store headcount not disclosed. Purchase price allocation included $63 million of property, plant and equipment and $9 million of goodwill. Exact acquisition date not disclosed beyond fiscal year 2011.
2011-12-31	acquisition_addition	announced		2012-02-09	2012-05	Indiana and Ohio, United States	Speedway		subsequent_events f5-10k / GLM-5.3-flash-HTML	Subsequent event: Speedway signed an agreement on February 9, 2012 to acquire 88 convenience stores plus several parcels of undeveloped real estate from GasAmerica Services, Inc.; closing anticipated by end of May 2012 subject to regulatory approvals, due diligence and customary conditions; acquired headcount not disclosed.
2011-12-31	divestiture_reduction	completed	2,473	2010-12-01	2011-12-31	Minnesota (Upper Great Plains region)	Primarily Speedway; Minnesota Assets (refinery, convenience stores, pipelines)		Item_1_Business f5-10k / MiMo-V2.6-Flash-fp8-HTML	Approximately 2,473 employees transitioned to the buyer of the Minnesota Assets during 2011 as part of the December 1, 2010 disposition; no severance charge disclosed.
2011-12-31	divestiture_reduction	completed	182	2010-12-01	2012-01-31	Minnesota (Upper Great Plains region)	Minnesota Assets operations		Item_1_Business f5-10k / MiMo-V2.6-Flash-fp8-HTML	Remaining approximately 182 Minnesota Assets employees transitioned to the buyer in January 2012, after fiscal year-end; same divestiture program as the 2011 transition record.
2011-12-31	acquisition_addition	completed				Illinois and Indiana	Speedway	USD 74 (millions)	business_combinations_footnote f5-10k / MiMo-V2.6-Flash-fp8-HTML	Speedway acquired 23 convenience stores for $74 million in 2011 ($72 million stores plus $2 million inventory); associated headcount not disclosed.
2011-12-31	acquisition_addition	announced		2012-02-09	2012-05-31	Indiana and Ohio	Speedway		subsequent_events f5-10k / MiMo-V2.6-Flash-fp8-HTML	Speedway signed agreement to acquire 88 convenience stores from GasAmerica Services Inc. plus undeveloped real estate; anticipated close by end of May 2012; headcount not disclosed.
2011-12-31	divestiture_reduction	completed	2,473	2010-12-01	2011-12-31	Minnesota	Speedway		Item_1_Business f5-10k / Qwen3.6-27B-Q8_0	Approximately 2,473 employees transitioned to the buyer in 2011, primarily from Speedway, as part of the Minnesota Assets sale.
2011-12-31	divestiture_reduction	completed	182	2010-12-01	2012-01-31	Minnesota	Refining & Marketing		Item_1_Business f5-10k / Qwen3.6-27B-Q8_0	Remaining 182 employees from Minnesota Assets operations transitioned in January 2012.
2011-12-31	acquisition_addition	completed		2011-12-31	2011-12-31	Illinois and Indiana	Speedway	USD 74 (millions)	MD&A f5-10k / Qwen3.6-27B-Q8_0	Speedway purchased 23 convenience stores in Illinois and Indiana for $74 million. Employee count not explicitly disclosed.