v3.25.4
Restructuring (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Restructuring Cost and Reserve [Line Items]      
Depreciation and amortization $ 3,251 $ 2,363 $ 1,977
Asset retirement obligations $ 81 33  
Restructuring costs     $ 177
Restructuring incurred cost statement of income or comprehensive income extensible enumeration not disclosed flag     restructuring costs
EnvironmentalRemediationExpenseStatementOfIncomeOrComprehensiveIncomeExtensibleEnumerationNotDisclosedFlag 69 million    
Asset retirement obligations $ 721 771 $ 537
Los Angeles Refinery      
Restructuring Cost and Reserve [Line Items]      
Carrying value of net properties, plants and equipment (PP&E) and intangible assets, estimated salvage value 241    
Depreciation and amortization 1,062 350  
Depreciation 964 253  
Environmental Remediation Expense, before Recovery 69    
Inventory write-down 35    
Asset retirement obligations $ 253    
Los Angeles Refinery | Employee Severance      
Restructuring Cost and Reserve [Line Items]      
Restructuring costs   $ 44  
Variable Interest Entity, Primary Beneficiary | DCP Midstream, LP      
Restructuring Cost and Reserve [Line Items]      
Restructuring costs     $ 38