Revenue - Summary of Revenue from Contracts with Customers on a Disaggregated Basis (Detail) - USD ($) | 3 Months Ended | 9 Months Ended |
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | | | | $ 0 |
Revenue from both contract with customer and not from contract with customer | $ 3,189,000,000 | $ 2,853,000,000 | $ 9,694,000,000 | 7,632,000,000 |
Other operating revenues | 2,000,000 | (53,000,000) | 8,000,000 | (132,000,000) |
Total revenues and non-operating income | 3,191,000,000 | 2,800,000,000 | 9,702,000,000 | 7,500,000,000 |
Gain (loss) on commodity derivatives | $ 0 | $ (52,000,000) | $ 0 | $ (138,000,000) |
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Total revenues and non-operating income | Total revenues and non-operating income | Total revenues and non-operating income | Total revenues and non-operating income |
Crude oil revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from both contract with customer and not from contract with customer | $ 2,150,000,000 | $ 1,793,000,000 | $ 6,697,000,000 | $ 4,837,000,000 |
Natural gas liquids revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 149,000,000 | 133,000,000 | 442,000,000 | 386,000,000 |
Natural gas revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 207,000,000 | 267,000,000 | 723,000,000 | 721,000,000 |
Sales of purchased oil and gas | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 676,000,000 | 660,000,000 | 1,814,000,000 | 1,688,000,000 |
Third-party services | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 7,000,000 | | 18,000,000 | |
Exploration and Production | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues and non-operating income | 3,183,000,000 | 2,798,000,000 | 9,681,000,000 | 7,494,000,000 |
Exploration and Production | Crude oil revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from both contract with customer and not from contract with customer | 2,150,000,000 | 1,793,000,000 | 6,697,000,000 | 4,837,000,000 |
Exploration and Production | Crude oil revenue | United States | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 839,000,000 | 861,000,000 | 2,448,000,000 | 2,240,000,000 |
Exploration and Production | Crude oil revenue | Guyana | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from both contract with customer and not from contract with customer | 1,279,000,000 | 896,000,000 | 4,159,000,000 | 2,508,000,000 |
Revenue not from contract with customer | 180,000,000 | 112,000,000 | 646,000,000 | 308,000,000 |
Exploration and Production | Crude oil revenue | Malaysia and JDA | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 32,000,000 | 36,000,000 | 90,000,000 | 89,000,000 |
Exploration and Production | Natural gas liquids revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 149,000,000 | 133,000,000 | 442,000,000 | 386,000,000 |
Exploration and Production | Natural gas liquids revenue | United States | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 149,000,000 | 133,000,000 | 442,000,000 | 386,000,000 |
Exploration and Production | Natural gas liquids revenue | Guyana | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 0 | 0 | 0 | 0 |
Exploration and Production | Natural gas liquids revenue | Malaysia and JDA | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 0 | 0 | 0 | 0 |
Exploration and Production | Natural gas revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 207,000,000 | 267,000,000 | 723,000,000 | 721,000,000 |
Exploration and Production | Natural gas revenue | United States | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 34,000,000 | 44,000,000 | 110,000,000 | 136,000,000 |
Exploration and Production | Natural gas revenue | Guyana | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 0 | 0 | 0 | 0 |
Exploration and Production | Natural gas revenue | Malaysia and JDA | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 173,000,000 | 223,000,000 | 613,000,000 | 585,000,000 |
Exploration and Production | Sales of purchased oil and gas | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 676,000,000 | 660,000,000 | 1,814,000,000 | 1,688,000,000 |
Exploration and Production | Sales of purchased oil and gas | United States | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 651,000,000 | 640,000,000 | 1,732,000,000 | 1,636,000,000 |
Exploration and Production | Sales of purchased oil and gas | Guyana | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 25,000,000 | 20,000,000 | 82,000,000 | 52,000,000 |
Exploration and Production | Sales of purchased oil and gas | Malaysia and JDA | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 0 | 0 | 0 | 0 |
Exploration and Production | Third-party services | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 0 | | 0 | |
Exploration and Production | Third-party services | United States | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 0 | | 0 | |
Exploration and Production | Third-party services | Guyana | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 0 | | 0 | |
Exploration and Production | Third-party services | Malaysia and JDA | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 0 | | 0 | |
Midstream | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues and non-operating income | 8,000,000 | 2,000,000 | 21,000,000 | 6,000,000 |
Midstream | Crude oil revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 0 | 0 | 0 | 0 |
Midstream | Natural gas liquids revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 0 | 0 | 0 | 0 |
Midstream | Natural gas revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 0 | 0 | 0 | 0 |
Midstream | Sales of purchased oil and gas | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 0 | 0 | 0 | 0 |
Midstream | Third-party services | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 7,000,000 | | 18,000,000 | |
Operating Segments | Exploration and Production | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from both contract with customer and not from contract with customer | 3,182,000,000 | 2,853,000,000 | 9,676,000,000 | 7,632,000,000 |
Other operating revenues | 1,000,000 | (55,000,000) | 5,000,000 | (138,000,000) |
Total revenues and non-operating income | 3,183,000,000 | 2,798,000,000 | 9,681,000,000 | 7,494,000,000 |
Operating Segments | Exploration and Production | United States | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 1,673,000,000 | 1,678,000,000 | 4,732,000,000 | 4,398,000,000 |
Other operating revenues | 1,000,000 | (27,000,000) | 5,000,000 | (83,000,000) |
Total revenues and non-operating income | 1,674,000,000 | 1,651,000,000 | 4,737,000,000 | 4,315,000,000 |
Operating Segments | Exploration and Production | Guyana | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from both contract with customer and not from contract with customer | 1,304,000,000 | 916,000,000 | 4,241,000,000 | 2,560,000,000 |
Other operating revenues | 0 | (17,000,000) | 0 | (44,000,000) |
Total revenues and non-operating income | 1,304,000,000 | 899,000,000 | 4,241,000,000 | 2,516,000,000 |
Operating Segments | Exploration and Production | Malaysia and JDA | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 205,000,000 | 259,000,000 | 703,000,000 | 674,000,000 |
Other operating revenues | 0 | (11,000,000) | 0 | (11,000,000) |
Total revenues and non-operating income | 205,000,000 | 248,000,000 | 703,000,000 | 663,000,000 |
Operating Segments | Midstream | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 378,000,000 | 361,000,000 | 1,097,000,000 | 986,000,000 |
Other operating revenues | 1,000,000 | 2,000,000 | 3,000,000 | 6,000,000 |
Total revenues and non-operating income | 379,000,000 | 363,000,000 | 1,100,000,000 | 992,000,000 |
Eliminations | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | (371,000,000) | (361,000,000) | (1,079,000,000) | (986,000,000) |
Other operating revenues | 0 | 0 | 0 | 0 |
Total revenues and non-operating income | (371,000,000) | (361,000,000) | (1,079,000,000) | (986,000,000) |
Eliminations | Exploration and Production | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 0 | 0 | 0 | 0 |
Total revenues and non-operating income | 0 | 0 | 0 | 0 |
Eliminations | Exploration and Production | United States | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 0 | 0 | 0 | 0 |
Eliminations | Exploration and Production | Guyana | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 0 | 0 | 0 | 0 |
Eliminations | Exploration and Production | Malaysia and JDA | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 0 | 0 | 0 | 0 |
Eliminations | Midstream | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 371,000,000 | 361,000,000 | 1,079,000,000 | 986,000,000 |
Total revenues and non-operating income | $ 371,000,000 | $ 361,000,000 | $ 1,079,000,000 | $ 986,000,000 |