v3.26.1
Properties, Plants and Equipment - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Property, Plant and Equipment [Line Items]      
Depreciation and amortization $ 558 $ 791  
Corporate and Other      
Property, Plant and Equipment [Line Items]      
Depreciation and amortization 26 59  
Transfer of gross PP&E between segments   2,965  
Transfer of accumulated depreciation and amortization between segments   2,699  
Los Angeles Refinery Assets      
Property, Plant and Equipment [Line Items]      
Carrying value of net properties, plants and equipment (PP&E) and intangible assets, estimated salvage value     $ 241
Depreciation and amortization   270  
Depreciation   $ 246  
Los Angeles Refinery Assets | Refining      
Property, Plant and Equipment [Line Items]      
Transfer of gross PP&E between segments 2,965    
Transfer of accumulated depreciation and amortization between segments $ 2,699