v3.26.1
Segment Disclosures and Related Information - Schedule of Analysis by Segment (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Revenues and Other Income          
Total sales and other operating revenues $ 51,004 $ 33,323 $ 83,544 $ 63,753  
Equity in earnings (loss) of affiliates 635 153 887 306  
Net gain (loss) on dispositions 117 (93) 123 994  
Other income 288 139 492 195  
Total Revenues and Other Income 52,044 33,522 85,046 65,248  
Costs and Expenses          
Purchased crude oil and products 43,664 29,077 72,880 56,737  
Operating expenses 1,810 1,440 3,691 3,062  
Selling, general and administrative expenses 538 582 1,075 1,101  
Depreciation and amortization 585 816 1,143 1,607  
Impairments 9 4 17 30  
Taxes other than income taxes 127 218 361 451  
Interest and debt expense 314 264 600 485  
Other segment items 26 1 48 7  
Total Costs and Expenses 47,073 32,402 79,815 63,480  
Income before income taxes 4,971 1,120 5,231 1,768  
Interest Income 81 34 112 68  
Capital expenditures and investments 726 587 1,308 1,010  
Investments In and Advances to Affiliates 11,948   11,948   $ 11,428
Total Assets 81,810   81,810   73,680
Midstream          
Revenues and Other Income          
Total sales and other operating revenues 5,231 4,528 9,949 9,355  
Chemicals          
Revenues and Other Income          
Total sales and other operating revenues 0 0 0  
Refining          
Revenues and Other Income          
Total sales and other operating revenues 13,618 7,105 21,390 12,807  
M&S          
Revenues and Other Income          
Total sales and other operating revenues 31,297 20,899 50,841 40,062  
Renewable Fuels          
Revenues and Other Income          
Total sales and other operating revenues 849 781 1,345 1,509  
Operating Segments | Midstream          
Revenues and Other Income          
Total sales and other operating revenues 6,300 5,056 11,824 10,514  
Equity in earnings (loss) of affiliates 99 98 202 208  
Net gain (loss) on dispositions 0 (4) 6 65  
Other income (6) 3 13 13  
Total Revenues and Other Income 6,393 5,153 12,045 10,800  
Costs and Expenses          
Purchased crude oil and products 4,639 3,514 8,748 7,603  
Operating expenses 568 512 1,109 970  
Selling, general and administrative expenses 54 52 110 105  
Depreciation and amortization 284 260 558 493  
Impairments 0 0 4 0  
Taxes other than income taxes 60 83 135 144  
Interest and debt expense 0 0 0 0  
Other segment items 3 1 5 3  
Total Costs and Expenses 5,608 4,422 10,669 9,318  
Income before income taxes 785 731 1,376 1,482  
Interest Income 0 0 0 0  
Capital expenditures and investments 428 384 771 600  
Investments In and Advances to Affiliates 2,082   2,082   2,117
Total Assets 31,130   31,130   30,172
Operating Segments | Chemicals          
Revenues and Other Income          
Total sales and other operating revenues 0 0 0 0  
Equity in earnings (loss) of affiliates 403 20 517 133  
Net gain (loss) on dispositions 0 0 0 0  
Other income 0 0 0 0  
Total Revenues and Other Income 403 20 517 133  
Costs and Expenses          
Purchased crude oil and products 0 0 0 0  
Operating expenses 1 1 3 3  
Selling, general and administrative expenses (2) (1) (4) (3)  
Depreciation and amortization 0 0 0 0  
Impairments 0 0 0 0  
Taxes other than income taxes 0 0 0 0  
Interest and debt expense 0 0 0 0  
Other segment items 0 0 0 0  
Total Costs and Expenses (1) 0 (1) 0  
Income before income taxes 404 20 518 133  
Interest Income 0 0 0 0  
Capital expenditures and investments 0 0 0 0  
Investments In and Advances to Affiliates 8,390   8,390   7,899
Total Assets 8,417   8,417   7,899
Operating Segments | Refining          
Revenues and Other Income          
Total sales and other operating revenues 35,932 18,694 58,466 34,569  
Equity in earnings (loss) of affiliates (1) (2) (1) (107)  
Net gain (loss) on dispositions 0 0 0 0  
Other income 81 34 107 37  
Total Revenues and Other Income 36,012 18,726 58,572 34,499  
Costs and Expenses          
Purchased crude oil and products 31,453 16,960 52,186 31,985  
Operating expenses 1,144 848 2,373 1,922  
Selling, general and administrative expenses 25 32 77 78  
Depreciation and amortization 221 443 436 899  
Impairments 1 3 3 4  
Taxes other than income taxes 88 94 194 204  
Interest and debt expense 0 0 0 0  
Other segment items 18 (13) 33 (15)  
Total Costs and Expenses 32,950 18,367 55,302 35,077  
Income before income taxes 3,062 359 3,270 (578)  
Interest Income 0 0 0 0  
Capital expenditures and investments 255 148 465 324  
Investments In and Advances to Affiliates 56   56   65
Total Assets 21,229   21,229   19,435
Operating Segments | M&S          
Revenues and Other Income          
Total sales and other operating revenues 32,086 21,417 52,286 41,058  
Equity in earnings (loss) of affiliates 135 38 170 74  
Net gain (loss) on dispositions 110 (89) 110 929  
Other income (13) 15 49 21  
Total Revenues and Other Income 32,318 21,381 52,615 42,082  
Costs and Expenses          
Purchased crude oil and products 31,354 20,420 51,472 39,465  
Operating expenses 22 17 41 35  
Selling, general and administrative expenses 332 334 629 662  
Depreciation and amortization 26 33 46 53  
Impairments 0 1 0 1  
Taxes other than income taxes 2 6 4 15  
Interest and debt expense 0 0 0 0  
Other segment items (1) (1) 1 (2)  
Total Costs and Expenses 31,735 20,810 52,193 40,229  
Income before income taxes 583 571 422 1,853  
Interest Income 0 0 0 0  
Capital expenditures and investments 20 34 29 49  
Investments In and Advances to Affiliates 1,402   1,402   1,330
Total Assets 12,025   12,025   10,059
Operating Segments | Renewable Fuels          
Revenues and Other Income          
Total sales and other operating revenues 2,563 1,615 4,110 3,124  
Equity in earnings (loss) of affiliates (1) (1) (1) (2)  
Net gain (loss) on dispositions 0 0 0 0  
Other income 136 44 210 63  
Total Revenues and Other Income 2,698 1,658 4,319 3,185  
Costs and Expenses          
Purchased crude oil and products 2,074 1,633 3,572 3,169  
Operating expenses 79 90 168 186  
Selling, general and administrative expenses 19 14 40 32  
Depreciation and amortization 24 23 47 46  
Impairments 0 0 2 0  
Taxes other than income taxes (41) 23 (10) 58  
Interest and debt expense 0 0 0 0  
Other segment items (1) 8 (3) 12  
Total Costs and Expenses 2,154 1,791 3,816 3,503  
Income before income taxes 544 (133) 503 (318)  
Interest Income 0 0 0 0  
Capital expenditures and investments 6 9 16 18  
Investments In and Advances to Affiliates 14   14   15
Total Assets 3,001   3,001   3,197
Corporate and Other          
Revenues and Other Income          
Total sales and other operating revenues 9 10 19 20  
Equity in earnings (loss) of affiliates 0 0 0 0  
Net gain (loss) on dispositions 7 0 7 0  
Other income 90 43 115 61  
Total Revenues and Other Income 107 55 144 85  
Costs and Expenses          
Purchased crude oil and products 0 0 1 0  
Operating expenses 27 (7) 64 (3)  
Selling, general and administrative expenses 110 151 223 227  
Depreciation and amortization 30 57 56 116  
Impairments 8 0 8 25  
Taxes other than income taxes 18 12 38 30  
Interest and debt expense 314 264 600 485  
Other segment items 7 6 12 9  
Total Costs and Expenses 514 483 1,002 889  
Income before income taxes (407) (428) (858) (804)  
Interest Income 81 34 112 68  
Capital expenditures and investments 17 12 27 19  
Investments In and Advances to Affiliates 4   4   2
Total Assets 6,008   6,008   $ 2,918
Intercompany revenues          
Revenues and Other Income          
Total sales and other operating revenues 1 2 3 4  
Intercompany revenues | Midstream          
Revenues and Other Income          
Total sales and other operating revenues 1,069 528 1,875 1,159  
Intercompany revenues | Chemicals          
Revenues and Other Income          
Total sales and other operating revenues 0 0 0 0  
Intercompany revenues | Refining          
Revenues and Other Income          
Total sales and other operating revenues 22,314 11,589 37,076 21,762  
Intercompany revenues | M&S          
Revenues and Other Income          
Total sales and other operating revenues 789 518 1,445 996  
Intercompany revenues | Renewable Fuels          
Revenues and Other Income          
Total sales and other operating revenues 1,714 834 2,765 1,615  
Corporate and Other          
Revenues and Other Income          
Total sales and other operating revenues 10 12 22 24  
Consolidating Adjustments excluding Corporate          
Revenues and Other Income          
Total sales and other operating revenues 0 0 0 0  
Corporate Reconciling Items and Eliminations          
Revenues and Other Income          
Total sales and other operating revenues (25,887) (13,471) (43,164) (25,536)  
Consolidating Adjustments          
Revenues and Other Income          
Total sales and other operating revenues (25,887) (13,471) (43,164) (25,536)  
Equity in earnings (loss) of affiliates 0 0 0 0  
Net gain (loss) on dispositions 0 0 0 0  
Other income 0 0 (2) 0  
Total Revenues and Other Income (25,887) (13,471) (43,166) (25,536)  
Costs and Expenses          
Purchased crude oil and products (25,856) (13,450) (43,099) (25,485)  
Operating expenses (31) (21) (67) (51)  
Selling, general and administrative expenses 0 0 0 0  
Depreciation and amortization 0 0 0 0  
Impairments 0 0 0 0  
Taxes other than income taxes 0 0 0 0  
Interest and debt expense 0 0 0 0  
Other segment items 0 0 0 0  
Total Costs and Expenses (25,887) (13,471) (43,166) (25,536)  
Income before income taxes $ 0 $ 0 $ 0 $ 0