v3.25.4
Income Taxes - Narrative (Details) - USD ($)
 3 Months Ended 12 Months Ended
Dec. 31, 2024
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Income Taxes Information [Line Items]        
Net deferred tax assets $ 4,659,000,000 $ 4,403,000,000 $ 4,659,000,000  
Deferred income taxes 11,426,000,000 12,237,000,000 11,426,000,000  
U.S. foreign tax credits 3,300,000,000 2,900,000,000 3,300,000,000  
US foreign tax credits expired 1,200,000,000   1,200,000,000  
Estimated tax payable on undistributed unremitted foreign income   314,000,000    
Unrecognized tax benefits that would impact effective tax rate 368,000,000 365,000,000 368,000,000 $ 378,000,000
Unrecognized tax benefit, lapse of statute   13,000,000 19,000,000 224,000,000
Unrecognized tax benefits, settlements   3,000,000 121,000,000 96,000,000
Unrecognized tax benefits, income tax penalties and interest accrued 26,000,000 47,000,000 26,000,000 45,000,000
Interest and penalties (benefiting) charging earnings   21,000,000 (19,000,000) 10,000,000
Income Tax Expense (Benefit)   (4,668,000,000) (4,427,000,000) (5,331,000,000)
Certain Jurisdictions Outside Of Domestic        
Income Taxes Information [Line Items]        
Operating loss and tax credit carryforward 1,600,000,000 1,100,000,000 1,600,000,000  
Canada Revenue Agency        
Income Taxes Information [Line Items]        
Unrecognized tax benefits, settlements       $ 92,000,000
Noncurrent Assets        
Income Taxes Information [Line Items]        
Net deferred tax assets 230,000,000 $ 221,000,000 230,000,000  
Marathon Oil Corporation        
Income Taxes Information [Line Items]        
Operating loss carryforwards 700,000,000   $ 700,000,000  
Income Tax Expense (Benefit) $ 394,000,000