v3.26.1
Segment Information (Reconciliation of Segment Revenues To Sales and Other Operating Revenues) (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Segment Reporting Information [Line Items]    
Sales and other operating revenues [1] $ 34,200 $ 31,517
Refining & Marketing    
Segment Reporting Information [Line Items]    
Sales and other operating revenues [1] 32,326 29,457
Midstream    
Segment Reporting Information [Line Items]    
Sales and other operating revenues [1] 1,302 1,441
Renewable Diesel    
Segment Reporting Information [Line Items]    
Sales and other operating revenues [1] 572 619
Operating Segments    
Segment Reporting Information [Line Items]    
Sales and other operating revenues 35,738 33,033
Operating Segments | Refining & Marketing    
Segment Reporting Information [Line Items]    
Sales and other operating revenues 32,335 29,497
Operating Segments | Midstream    
Segment Reporting Information [Line Items]    
Sales and other operating revenues 2,824 2,910
Operating Segments | Renewable Diesel    
Segment Reporting Information [Line Items]    
Sales and other operating revenues 579 626
Intersegment Eliminations    
Segment Reporting Information [Line Items]    
Sales and other operating revenues 1,538 1,516
Intersegment Eliminations | Refining & Marketing    
Segment Reporting Information [Line Items]    
Sales and other operating revenues 9 40
Intersegment Eliminations | Midstream    
Segment Reporting Information [Line Items]    
Sales and other operating revenues 1,522 1,469
Intersegment Eliminations | Renewable Diesel    
Segment Reporting Information [Line Items]    
Sales and other operating revenues $ 7 $ 7
[1] Includes sales to related parties. See Note 6 for additional information. See Note 17 for the disaggregation of our revenue from external customers by segment and product line.