v3.26.1
Segment Information (Capital Expenditures) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Plus:        
Capital expenditures $ 1,181 [1] $ 709 [1] $ 2,193 [2] $ 1,353 [2]
Operating Segments        
Segment Reporting [Line Items]        
Capital expenditures and investments 1,346 1,039 2,566 1,788
Less investments in equity method investees(a) 205 [2] 356 [2] 445 488
Operating Segments | Refining & Marketing        
Segment Reporting [Line Items]        
Capital expenditures and investments 325 347 653 709
Operating Segments | Midstream        
Segment Reporting [Line Items]        
Capital expenditures and investments 1,021 691 1,913 1,077
Operating Segments | Renewable Diesel        
Segment Reporting [Line Items]        
Capital expenditures and investments 0 [2] 1 [2] 0 2
Operating Segments | Renewable Diesel | Martinez JV        
Segment Reporting [Line Items]        
Capital expenditures and investments [2] 62      
Corporate        
Plus:        
Corporate 7 6 9 15
Capitalized interest $ 33 $ 20 $ 63 $ 38
[1] Includes changes in capital expenditure accruals. See Note 18 for a reconciliation of total capital expenditures to additions to property, plant and equipment for the six months ended June 30, 2026 and 2025 as reported in the Consolidated Statements of Cash Flows.
[2] The six months ended June 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.