v3.26.1
Segment Information (Reconciliation of Segment Revenues To Sales and Other Operating Revenues) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting [Line Items]        
Sales and other operating revenues [1] $ 51,994 $ 33,799 $ 86,194 $ 65,316
Refining & Marketing        
Segment Reporting [Line Items]        
Sales and other operating revenues [1] 49,299 31,828 81,625 61,285
Midstream        
Segment Reporting [Line Items]        
Sales and other operating revenues [1] 1,455 1,340 2,757 2,781
Renewable Diesel        
Segment Reporting [Line Items]        
Sales and other operating revenues 1,240 [1] 631 [1] 1,812 1,250
Operating Segments        
Segment Reporting [Line Items]        
Sales and other operating revenues 53,665 35,278 89,403 68,311
Operating Segments | Refining & Marketing        
Segment Reporting [Line Items]        
Sales and other operating revenues 49,306 31,834 81,641 61,331
Operating Segments | Midstream        
Segment Reporting [Line Items]        
Sales and other operating revenues 3,106 2,811 5,930 5,721
Operating Segments | Renewable Diesel        
Segment Reporting [Line Items]        
Sales and other operating revenues 1,253 633 1,832 1,259
Intersegment Eliminations        
Segment Reporting [Line Items]        
Sales and other operating revenues 1,671 1,479 3,209 2,995
Intersegment Eliminations | Refining & Marketing        
Segment Reporting [Line Items]        
Sales and other operating revenues 7 6 16 46
Intersegment Eliminations | Midstream        
Segment Reporting [Line Items]        
Sales and other operating revenues 1,651 1,471 3,173 2,940
Intersegment Eliminations | Renewable Diesel        
Segment Reporting [Line Items]        
Sales and other operating revenues $ 13 $ 2 $ 20 $ 9
[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.