| Segment Reporting, Reconciliation of Revenue by Segment to Consolidated |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, 2026 | Millions of Dollars | | Alaska | L48 | Canada | EMENA | AP | Segment Totals | Corporate | Consolidated Total | | Segment sales and other operating revenues | | | | | | | | | Sales and other operating revenues# | $ | 1,873 | | 13,031 | | 1,925 | | 2,276 | | 674 | | 19,779 | | 15 | | 19,794 | | | Intersegment eliminations | — | | (3) | | (621) | | — | | — | | (624) | | (9) | | (633) | | | Consolidated sales and other operating revenues | 1,873 | | 13,028 | | 1,304 | | 2,276 | | 674 | | 19,155 | | 6 | | 19,161 | | | | | | | | | | | | Significant segment expenses* | | | | | | | | | | Production and operating expenses | 522 | | 1,276 | | 290 | | 270 | | 87 | | 2,445 | | (14) | | 2,431 | | | DD&A | 346 | | 2,147 | | 133 | | 241 | | 107 | | 2,974 | | 9 | | 2,983 | | | Income tax provision (benefit) | 159 | | 722 | | 104 | | 1,033 | | 110 | | 2,128 | | 23 | | 2,151 | | | Total | 1,027 | | 4,145 | | 527 | | 1,544 | | 304 | | 7,547 | | 18 | | 7,565 | | | | | | | | | | | | Other segment items | | | | | | | | | | Equity in earnings of affiliates | — | | — | | — | | (45) | | (167) | | (212) | | (27) | | (239) | | | Interest income | — | | — | | — | | — | | — | | — | | (80) | | (80) | | | Interest and debt expense | — | | — | | — | | — | | — | | — | | 182 | | 182 | | | Other** | 324 | | 6,299 | | 457 | | 431 | | 148 | | 7,659 | | 143 | | 7,802 | | | Total | 324 | | 6,299 | | 457 | | 386 | | (19) | | 7,447 | | 218 | | 7,665 | | | | | | | | | | | | Net income (loss) | $ | 522 | | 2,584 | | 320 | | 346 | | 389 | | 4,161 | | (230) | | 3,931 | | #Includes revenue from physical contracts meeting the definition of a derivative that are outside the scope of ASC Topic 606 for the L48, Canada and EMENA segments of $0.5 billion, $0.1 billion and $0.4 billion, respectively. | | *The significant segment expense categories and amounts in the table above align with segment-level information that is regularly provided to the CODM. | | **Other segment items not required to be separately disclosed for each reportable segment include: | Gain (loss) on dispositions: L48 and Corporate | Other income and Other expenses: Alaska, L48, EMENA and Corporate | Purchased commodities: Alaska, L48, Canada, EMENA and AP | Selling, general and administrative expenses: L48, Canada, EMENA, AP and Corporate | Exploration expenses, Taxes other than income taxes and Accretion on discounted liabilities: Alaska, L48, Canada, EMENA, AP and Corporate | Impairments: L48 | Foreign currency transaction (gain) loss: Canada, EMENA, AP and Corporate | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, 2025 | Millions of Dollars | | Alaska | L48 | Canada | EMENA | AP | Segment Totals | Corporate | Consolidated Total | | Segment sales and other operating revenues | | | | | | | | | Sales and other operating revenues# | $ | 1,315 | | 9,966 | | 1,334 | | 1,400 | | 471 | | 14,486 | | 14 | | 14,500 | | | Intersegment eliminations | — | | (3) | | (486) | | — | | — | | (489) | | (7) | | (496) | | | Consolidated sales and other operating revenues | 1,315 | | 9,963 | | 848 | | 1,400 | | 471 | | 13,997 | | 7 | | 14,004 | | | | | | | | | | | | Significant segment expenses* | | | | | | | | | | Production and operating expenses | 546 | | 1,474 | | 216 | | 232 | | 85 | | 2,553 | | 19 | | 2,572 | | | DD&A | 361 | | 2,003 | | 143 | | 198 | | 118 | | 2,823 | | 15 | | 2,838 | | | Income tax provision (benefit) | 47 | | 382 | | 50 | | 593 | | 67 | | 1,139 | | (93) | | 1,046 | | | Total | 954 | | 3,859 | | 409 | | 1,023 | | 270 | | 6,515 | | (59) | | 6,456 | | | | | | | | | | | | Other segment items | | | | | | | | | | Equity in earnings of affiliates | — | | (4) | | — | | (115) | | (185) | | (304) | | (11) | | (315) | | | Interest income | — | | — | | — | | — | | (2) | | (2) | | (65) | | (67) | | | Interest and debt expense | — | | — | | — | | — | | — | | — | | 232 | | 232 | | | Other** | 226 | | 4,709 | | 290 | | 255 | | 58 | | 5,538 | | 189 | | 5,727 | | | Total | 226 | | 4,705 | | 290 | | 140 | | (129) | | 5,232 | | 345 | | 5,577 | | | | | | | | | | | | Net income (loss) | $ | 135 | | 1,399 | | 149 | | 237 | | 330 | | 2,250 | | (279) | | 1,971 | | #Includes revenue from physical contracts meeting the definition of a derivative that are outside the scope of ASC Topic 606 for the L48, Canada and EMENA segments of $1.2 billion, $0.2 billion and $0.1 billion, respectively. | | *The significant segment expense categories and amounts in the table above align with segment-level information that is regularly provided to the CODM. | | **Other segment items not required to be separately disclosed for each reportable segment include: | Gain (loss) on dispositions and Impairments: L48 | Other income: L48, EMENA and Corporate | Purchased commodities and Accretion on discounted liabilities: Alaska, L48, Canada, EMENA and AP | | Selling, general and administrative expense, Exploration expenses and Taxes other than income taxes: Alaska, L48, Canada, EMENA, AP and Corporate | Foreign currency transaction (gain) loss: Canada, EMENA, AP and Corporate | | Other expenses: L48, EMENA and Corporate | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Six Months Ended June 30, 2026 | Millions of Dollars | | Alaska | L48 | Canada | EMENA | AP | Segment Totals | Corporate | Consolidated Total | | Segment sales and other operating revenues | | | | | | | | | Sales and other operating revenues# | $ | 3,396 | | 24,117 | | 3,598 | | 3,903 | | 1,175 | | 36,189 | | 37 | | 36,226 | | | Intersegment eliminations | — | | (9) | | (1,277) | | — | | — | | (1,286) | | (18) | | (1,304) | | | Consolidated sales and other operating revenues | 3,396 | | 24,108 | | 2,321 | | 3,903 | | 1,175 | | 34,903 | | 19 | | 34,922 | | | | | | | | | | | | Significant segment expenses* | | | | | | | | | | Production and operating expenses | 997 | | 2,529 | | 479 | | 527 | | 167 | | 4,699 | | 8 | | 4,707 | | | DD&A | 698 | | 4,198 | | 285 | | 480 | | 210 | | 5,871 | | 18 | | 5,889 | | | Income tax provision (benefit) | 251 | | 1,117 | | 131 | | 1,758 | | 170 | | 3,427 | | (96) | | 3,331 | | | Total | 1,946 | | 7,844 | | 895 | | 2,765 | | 547 | | 13,997 | | (70) | | 13,927 | | | | | | | | | | | | Other segment items | | | | | | | | | | Equity in earnings of affiliates | — | | — | | — | | (140) | | (331) | | (471) | | (15) | | (486) | | | Interest income | — | | — | | — | | — | | — | | — | | (189) | | (189) | | | Interest and debt expense | — | | — | | — | | — | | — | | — | | 380 | | 380 | | | Other** | 634 | | 12,277 | | 1,021 | | 667 | | 275 | | 14,874 | | 302 | | 15,176 | | | Total | 634 | | 12,277 | | 1,021 | | 527 | | (56) | | 14,403 | | 478 | | 14,881 | | | | | | | | | | | | Net income (loss) | $ | 816 | | 3,987 | | 405 | | 611 | | 684 | | 6,503 | | (389) | | 6,114 | | #Includes revenue from physical contracts meeting the definition of a derivative that are outside the scope of ASC Topic 606 for the L48, Canada and EMENA segments of $2.1 billion, $0.4 billion and $0.6 billion, respectively. | | *The significant segment expense categories and amounts in the table above align with segment-level information that is regularly provided to the CODM. | | **Other segment items not required to be separately disclosed for each reportable segment include: | Gain (loss) on dispositions: L48 and Corporate | Other income: Alaska, L48, Canada, EMENA and Corporate | Purchased commodities: Alaska, L48, Canada, EMENA and AP | Selling, general and administrative expenses: L48, Canada, EMENA, AP and Corporate | Exploration expenses, Taxes other than income taxes and Accretion on discounted liabilities: Alaska, L48, Canada, EMENA, AP and Corporate | Impairments: Alaska and L48 | Foreign currency transaction (gain) loss: Canada, EMENA, AP and Corporate | | | | | | | | | | Other expenses: Alaska, L48, EMENA and Corporate | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Six Months Ended June 30, 2025 | Millions of Dollars | | Alaska | L48 | Canada | EMENA | AP | Segment Totals | Corporate | Consolidated Total | | Segment sales and other operating revenues | | | | | | | | | Sales and other operating revenues# | $ | 2,925 | | 21,514 | | 2,866 | | 3,340 | | 895 | | 31,540 | | 32 | | 31,572 | | | Intersegment eliminations | — | | (3) | | (1,033) | | — | | — | | (1,036) | | (15) | | (1,051) | | | Consolidated sales and other operating revenues | 2,925 | | 21,511 | | 1,833 | | 3,340 | | 895 | | 30,504 | | 17 | | 30,521 | | | | | | | | | | | | Significant segment expenses* | | | | | | | | | | Production and operating expenses | 1,052 | | 2,965 | | 417 | | 456 | | 150 | | 5,040 | | 38 | | 5,078 | | | DD&A | 716 | | 3,907 | | 274 | | 417 | | 237 | | 5,551 | | 33 | | 5,584 | | | Income tax provision (benefit) | 186 | | 830 | | 131 | | 1,515 | | 131 | | 2,793 | | (130) | | 2,663 | | | Total | 1,954 | | 7,702 | | 822 | | 2,388 | | 518 | | 13,384 | | (59) | | 13,325 | | | | | | | | | | | | Other segment items | | | | | | | | | | Equity in earnings of affiliates | — | | (8) | | — | | (288) | | (391) | | (687) | | (20) | | (707) | | | Interest income | — | | — | | — | | — | | (4) | | (4) | | (139) | | (143) | | | Interest and debt expense | — | | — | | — | | — | | — | | — | | 437 | | 437 | | | Other** | 509 | | 10,628 | | 606 | | 584 | | 131 | | 12,458 | | 331 | | 12,789 | | | Total | 509 | | 10,620 | | 606 | | 296 | | (264) | | 11,767 | | 609 | | 12,376 | | | | | | | | | | | | Net income (Loss) | $ | 462 | | 3,189 | | 405 | | 656 | | 641 | | 5,353 | | (533) | | 4,820 | | #Includes revenue from physical contracts meeting the definition of a derivative that are outside the scope of ASC Topic 606 for the L48, Canada and EMENA segments of $2.7 billion, $0.4 billion and $0.4 billion, respectively. | | *The significant segment expense categories and amounts in the table above align with segment-level information that is regularly provided to the CODM. | | **Other segment items not required to be separately disclosed for each reportable segment include: | Gain (loss) on dispositions: L48 and Corporate | Other income: L48, Canada, EMENA, AP and Corporate | Selling, general and administrative expenses, Exploration expenses, Taxes other than income taxes and Accretion on discounted liabilities: Alaska, L48, Canada, EMENA, AP and Corporate | Purchased commodities: Alaska, L48, Canada, EMENA and AP | | Impairments: L48 and EMENA | | Foreign currency transaction (gain) loss: Canada, EMENA, AP and Corporate | Other expenses: EMENA and Corporate | |
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| Segment Reporting, Reconciliation of Other Item by Segment to Consolidated |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, 2026 | Millions of Dollars | | | | | | | | | | | Alaska | L48 | Canada | EMENA | AP | Segment Totals | Corporate | Consolidated Total | | Equity investments | $ | 3 | | 1 | | — | | 2,471 | | 4,809 | | 7,284 | | 1,696 | | 8,980 | | | Total assets | 21,617 | | 61,966 | | 9,757 | | 10,797 | | 8,230 | | 112,367 | | 11,894 | | 124,261 | | | Capital expenditures and investments | 912 | | 1,640 | | 89 | | 252 | | 91 | | 2,984 | | 40 | | 3,024 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Other Segment Disclosures | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, 2025 | Millions of Dollars | | | | | | | | | | | Alaska | L48 | Canada | EMENA | AP | Segment Totals | Corporate | Consolidated Total | | Equity investments | $ | 4 | | 126 | | — | | 2,084 | | 5,172 | | 7,386 | | 1,612 | | 8,998 | | | Total assets | 19,374 | | 65,087 | | 10,029 | | 10,128 | | 8,515 | | 113,133 | | 9,466 | | 122,599 | | | Capital expenditures and investments | 986 | | 1,704 | | 144 | | 356 | | 64 | | 3,254 | | 32 | | 3,286 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Six Months Ended June 30, 2026 | Millions of Dollars | | | | | | | | | | | Alaska | L48 | Canada | EMENA | AP | Segment Totals | Corporate | Consolidated Total | | Equity investments | $ | 3 | | 1 | | — | | 2,471 | | 4,809 | | 7,284 | | 1,696 | | 8,980 | | | Total assets | 21,617 | | 61,966 | | 9,757 | | 10,797 | | 8,230 | | 112,367 | | 11,894 | | 124,261 | | | Capital expenditures and investments | 1,861 | | 3,145 | | 210 | | 514 | | 173 | | 5,903 | | 69 | | 5,972 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Six Months Ended June 30, 2025 | Millions of Dollars | | | | | | | | | | | Alaska | L48 | Canada | EMENA | AP | Segment Totals | Corporate | Consolidated Total | | Equity investments | $ | 4 | | 126 | | — | | 2,084 | | 5,172 | | 7,386 | | 1,612 | | 8,998 | | | Total assets | 19,374 | | 65,087 | | 10,029 | | 10,128 | | 8,515 | | 113,133 | | 9,466 | | 122,599 | | | Capital expenditures and investments | 2,032 | | 3,518 | | 309 | | 630 | | 118 | | 6,607 | | 57 | | 6,664 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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