v3.26.3
Segment Information (Capital Expenditures) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Segment Reporting [Line Items]        
Less investments in equity method investees(a) $ 280 [1] $ 333 [1] $ 725 $ 821
Plus:        
Capital expenditures 1,164 [2] 1,057 [2] 3,357 [1] 2,410 [1]
Operating Segments        
Segment Reporting [Line Items]        
Capital expenditures and investments 1,403 1,358 3,969 3,146
Operating Segments | Refining & Marketing        
Segment Reporting [Line Items]        
Capital expenditures and investments 284 423 937 1,132
Operating Segments | Midstream        
Segment Reporting [Line Items]        
Capital expenditures and investments 1,119 919 3,032 1,996
Operating Segments | Renewable Diesel        
Segment Reporting [Line Items]        
Capital expenditures and investments 0 [1] 16 [1] 0 18
Operating Segments | Renewable Diesel | Martinez JV        
Segment Reporting [Line Items]        
Capital expenditures and investments [1] 62      
Corporate        
Plus:        
Corporate 7 6 16 21
Capitalized interest $ 34 $ 26 $ 97 $ 64
[1] The nine months ended September 30, 2026 excludes $62 million of funding to the Martinez Renewables JV due to turnaround costs in the first quarter of 2026 expected to be recovered through subsequent distributions from the JV during 2026.
[2] Includes changes in capital expenditure accruals. See Note 19 for a reconciliation of total capital expenditures to additions to property, plant and equipment for the nine months ended September 30, 2026 and 2025 as reported in the Consolidated Statements of Cash Flows.