Revenue - Summary of Revenue from Contracts with Customers on a Disaggregated Basis (Detail) - USD ($) | 3 Months Ended | 6 Months Ended |
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 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 | $ 3,197,000,000 | $ 2,337,000,000 | $ 6,505,000,000 | 4,779,000,000 |
Other operating revenues | 5,000,000 | (48,000,000) | 6,000,000 | (79,000,000) |
Total revenues and non-operating income | 3,202,000,000 | 2,289,000,000 | 6,511,000,000 | 4,700,000,000 |
Gain (loss) on commodity derivatives | $ 0 | $ (52,000,000) | $ 0 | $ (86,000,000) |
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 | $ 2,219,000,000 | $ 1,521,000,000 | $ 4,547,000,000 | $ 3,044,000,000 |
Crude oil revenue | Guyana | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue not from contract with customer | | 88,000,000 | 466,000,000 | 196,000,000 |
Natural gas liquids revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 140,000,000 | 112,000,000 | 293,000,000 | 253,000,000 |
Natural gas revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 257,000,000 | 220,000,000 | 516,000,000 | 454,000,000 |
Sales of purchased oil and gas | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 575,000,000 | 484,000,000 | 1,138,000,000 | 1,028,000,000 |
Third-party services | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 6,000,000 | | 11,000,000 | |
Exploration and Production | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues and non-operating income | 3,195,000,000 | 2,287,000,000 | 6,498,000,000 | 4,696,000,000 |
Exploration and Production | Crude oil revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from both contract with customer and not from contract with customer | 2,219,000,000 | 1,521,000,000 | 4,547,000,000 | 3,044,000,000 |
Exploration and Production | Crude oil revenue | United States | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 820,000,000 | 710,000,000 | 1,609,000,000 | 1,379,000,000 |
Exploration and Production | Crude oil revenue | Guyana | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from both contract with customer and not from contract with customer | 1,370,000,000 | 787,000,000 | 2,880,000,000 | 1,612,000,000 |
Revenue not from contract with customer | 214,000,000 | | | |
Exploration and Production | Crude oil revenue | Malaysia and JDA | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 29,000,000 | 24,000,000 | 58,000,000 | 53,000,000 |
Exploration and Production | Natural gas liquids revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 140,000,000 | 112,000,000 | 293,000,000 | 253,000,000 |
Exploration and Production | Natural gas liquids revenue | United States | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 140,000,000 | 112,000,000 | 293,000,000 | 253,000,000 |
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 | 257,000,000 | 220,000,000 | 516,000,000 | 454,000,000 |
Exploration and Production | Natural gas revenue | United States | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 28,000,000 | 38,000,000 | 76,000,000 | 92,000,000 |
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 | 229,000,000 | 182,000,000 | 440,000,000 | 362,000,000 |
Exploration and Production | Sales of purchased oil and gas | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 575,000,000 | 484,000,000 | 1,138,000,000 | 1,028,000,000 |
Exploration and Production | Sales of purchased oil and gas | United States | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 548,000,000 | 469,000,000 | 1,081,000,000 | 996,000,000 |
Exploration and Production | Sales of purchased oil and gas | Guyana | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 27,000,000 | 15,000,000 | 57,000,000 | 32,000,000 |
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 | 7,000,000 | 2,000,000 | 13,000,000 | 4,000,000 |
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 | 6,000,000 | | 11,000,000 | |
Operating Segments | Exploration and Production | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from both contract with customer and not from contract with customer | 3,191,000,000 | 2,337,000,000 | 6,494,000,000 | 4,779,000,000 |
Other operating revenues | 4,000,000 | (50,000,000) | 4,000,000 | (83,000,000) |
Total revenues and non-operating income | 3,195,000,000 | 2,287,000,000 | 6,498,000,000 | 4,696,000,000 |
Operating Segments | Exploration and Production | United States | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 1,536,000,000 | 1,329,000,000 | 3,059,000,000 | 2,720,000,000 |
Other operating revenues | 4,000,000 | (30,000,000) | 4,000,000 | (56,000,000) |
Total revenues and non-operating income | 1,540,000,000 | 1,299,000,000 | 3,063,000,000 | 2,664,000,000 |
Operating Segments | Exploration and Production | Guyana | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from both contract with customer and not from contract with customer | 1,397,000,000 | 802,000,000 | 2,937,000,000 | 1,644,000,000 |
Other operating revenues | 0 | (20,000,000) | 0 | (27,000,000) |
Total revenues and non-operating income | 1,397,000,000 | 782,000,000 | 2,937,000,000 | 1,617,000,000 |
Operating Segments | Exploration and Production | Malaysia and JDA | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 258,000,000 | 206,000,000 | 498,000,000 | 415,000,000 |
Other operating revenues | 0 | 0 | 0 | 0 |
Total revenues and non-operating income | 258,000,000 | 206,000,000 | 498,000,000 | 415,000,000 |
Operating Segments | Midstream | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | 364,000,000 | 322,000,000 | 719,000,000 | 625,000,000 |
Other operating revenues | 1,000,000 | 2,000,000 | 2,000,000 | 4,000,000 |
Total revenues and non-operating income | 365,000,000 | 324,000,000 | 721,000,000 | 629,000,000 |
Eliminations | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenue from contract with customer, excluding assessed tax | (358,000,000) | (322,000,000) | (708,000,000) | (625,000,000) |
Other operating revenues | 0 | 0 | 0 | 0 |
Total revenues and non-operating income | (358,000,000) | (322,000,000) | (708,000,000) | (625,000,000) |
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 | 358,000,000 | 322,000,000 | 708,000,000 | 625,000,000 |
Total revenues and non-operating income | $ 358,000,000 | $ 322,000,000 | $ 708,000,000 | $ 625,000,000 |