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Segment Disclosures and Related Information - Summary of Segment Level Net Income (Loss) (Details) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Segment Reporting Information [Line Items] |  |
Consolidated sales and other operating revenues | $ 16,517,000,000 | $ 13,848,000,000
Production and operating expenses | 2,506,000,000 | 2,015,000,000
Depreciation, depletion and amortization | 2,746,000,000 | 2,211,000,000
Income tax provision (benefit) | 1,617,000,000 | 1,257,000,000
Total | 6,869,000,000 | 5,483,000,000
Equity in earnings of affiliates | (392,000,000) | (421,000,000)
Interest income | (76,000,000) | (103,000,000)
Interest and debt expense | 205,000,000 | 205,000,000
Other | 7,062,000,000 | 6,133,000,000
Total | 6,799,000,000 | 5,814,000,000
Net Income (Loss) | 2,849,000,000 | 2,551,000,000
Operating Segments And Corporate Nonsegment |  |
Segment Reporting Information [Line Items] |  |
Consolidated sales and other operating revenues | 17,072,000,000 | 14,367,000,000
Intersegment eliminations |  |
Segment Reporting Information [Line Items] |  |
Consolidated sales and other operating revenues | (555,000,000) | (519,000,000)
Alaska |  |
Segment Reporting Information [Line Items] |  |
Consolidated sales and other operating revenues | 1,610,000,000 | 1,670,000,000
Production and operating expenses | 506,000,000 | 479,000,000
Depreciation, depletion and amortization | 355,000,000 | 324,000,000
Income tax provision (benefit) | 139,000,000 | 122,000,000
Total | 1,000,000,000 | 925,000,000
Equity in earnings of affiliates | 0 | 0
Interest income | 0 | 0
Interest and debt expense | 0 | 0
Other | 283,000,000 | 399,000,000
Total | 283,000,000 | 399,000,000
Net Income (Loss) | 327,000,000 | 346,000,000
Alaska | Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Consolidated sales and other operating revenues | 1,610,000,000 | 1,670,000,000
Alaska | Intersegment eliminations |  |
Segment Reporting Information [Line Items] |  |
Consolidated sales and other operating revenues | 0 | 0
L48 |  |
Segment Reporting Information [Line Items] |  |
Consolidated sales and other operating revenues | 11,548,000,000 | 9,308,000,000
Production and operating expenses | 1,491,000,000 | 1,083,000,000
Depreciation, depletion and amortization | 1,904,000,000 | 1,432,000,000
Income tax provision (benefit) | 448,000,000 | 385,000,000
Total | 3,843,000,000 | 2,900,000,000
Equity in earnings of affiliates | (4,000,000) | 0
Interest income | 0 | 0
Interest and debt expense | 0 | 0
Other | 5,919,000,000 | 5,027,000,000
Total | 5,915,000,000 | 5,027,000,000
Net Income (Loss) | 1,790,000,000 | 1,381,000,000
L48 | Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Consolidated sales and other operating revenues | 11,548,000,000 | 9,309,000,000
L48 | Intersegment eliminations |  |
Segment Reporting Information [Line Items] |  |
Consolidated sales and other operating revenues | 0 | (1,000,000)
Canada |  |
Segment Reporting Information [Line Items] |  |
Consolidated sales and other operating revenues | 985,000,000 | 936,000,000
Production and operating expenses | 201,000,000 | 217,000,000
Depreciation, depletion and amortization | 131,000,000 | 158,000,000
Income tax provision (benefit) | 81,000,000 | 56,000,000
Total | 413,000,000 | 431,000,000
Equity in earnings of affiliates | 0 | 0
Interest income | 0 | 0
Interest and debt expense | 0 | 0
Other | 316,000,000 | 325,000,000
Total | 316,000,000 | 325,000,000
Net Income (Loss) | 256,000,000 | 180,000,000
Canada | Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Consolidated sales and other operating revenues | 1,532,000,000 | 1,444,000,000
Canada | Intersegment eliminations |  |
Segment Reporting Information [Line Items] |  |
Consolidated sales and other operating revenues | (547,000,000) | (508,000,000)
EMENA |  |
Segment Reporting Information [Line Items] |  |
Consolidated sales and other operating revenues | 1,940,000,000 | 1,457,000,000
Production and operating expenses | 224,000,000 | 154,000,000
Depreciation, depletion and amortization | 219,000,000 | 180,000,000
Income tax provision (benefit) | 922,000,000 | 777,000,000
Total | 1,365,000,000 | 1,111,000,000
Equity in earnings of affiliates | (173,000,000) | (140,000,000)
Interest income | 0 | 0
Interest and debt expense | 0 | 0
Other | 329,000,000 | 182,000,000
Total | 156,000,000 | 42,000,000
Net Income (Loss) | 419,000,000 | 304,000,000
EMENA | Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Consolidated sales and other operating revenues | 1,940,000,000 | 1,457,000,000
EMENA | Intersegment eliminations |  |
Segment Reporting Information [Line Items] |  |
Consolidated sales and other operating revenues | 0 | 0
AP |  |
Segment Reporting Information [Line Items] |  |
Consolidated sales and other operating revenues | 424,000,000 | 474,000,000
Production and operating expenses | 65,000,000 | 79,000,000
Depreciation, depletion and amortization | 119,000,000 | 110,000,000
Income tax provision (benefit) | 64,000,000 | 5,000,000
Total | 248,000,000 | 194,000,000
Equity in earnings of affiliates | (206,000,000) | (282,000,000)
Interest income | (2,000,000) | (2,000,000)
Interest and debt expense | 0 | 0
Other | 73,000,000 | 52,000,000
Total | (135,000,000) | (232,000,000)
Net Income (Loss) | 311,000,000 | 512,000,000
AP | Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Consolidated sales and other operating revenues | 424,000,000 | 474,000,000
AP | Intersegment eliminations |  |
Segment Reporting Information [Line Items] |  |
Consolidated sales and other operating revenues | 0 | 0
OI |  |
Segment Reporting Information [Line Items] |  |
Consolidated sales and other operating revenues | 0 | 0
Production and operating expenses | 0 | 0
Depreciation, depletion and amortization | 0 | 0
Income tax provision (benefit) | 0 | 0
Total | 0 | 0
Equity in earnings of affiliates | 0 | 0
Interest income | 0 | 0
Interest and debt expense | 0 | 0
Other | (2,000,000) | 1,000,000
Total | (2,000,000) | 1,000,000
Net Income (Loss) | 2,000,000 | (1,000,000)
OI | Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Consolidated sales and other operating revenues | 0 | 0
OI | Intersegment eliminations |  |
Segment Reporting Information [Line Items] |  |
Consolidated sales and other operating revenues | 0 | 0
Corporate |  |
Segment Reporting Information [Line Items] |  |
Consolidated sales and other operating revenues | 10,000,000 | 3,000,000
Production and operating expenses | 19,000,000 | 3,000,000
Depreciation, depletion and amortization | 18,000,000 | 7,000,000
Income tax provision (benefit) | (37,000,000) | (88,000,000)
Total | 0 | (78,000,000)
Equity in earnings of affiliates | (9,000,000) | 1,000,000
Interest income | (74,000,000) | (101,000,000)
Interest and debt expense | 205,000,000 | 205,000,000
Other | 144,000,000 | 147,000,000
Total | 266,000,000 | 252,000,000
Net Income (Loss) | (256,000,000) | (171,000,000)
Corporate | Corporate |  |
Segment Reporting Information [Line Items] |  |
Consolidated sales and other operating revenues | 18,000,000 | 13,000,000
Corporate | Intersegment eliminations |  |
Segment Reporting Information [Line Items] |  |
Consolidated sales and other operating revenues | $ (8,000,000) | $ (10,000,000)

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