Revenue - Summary of Revenue from Contracts with Customers on a Disaggregated Basis (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | $ 3,117 | $ 1,646 | $ 5,516 | $ 3,593 |
Other operating revenues | (162) | (67) | (248) | (116) |
Total sales and other operating revenues | 2,955 | 1,579 | 5,268 | 3,477 |
Crude oil revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 1,783 | 957 | 3,022 | 2,161 |
Natural gas liquids revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 173 | 120 | 354 | 263 |
Natural gas revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 346 | 240 | 626 | 519 |
Sales of purchased oil and gas | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 815 | 329 | 1,514 | 650 |
Exploration and Production | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total sales and other operating revenues | 2,955 | 1,579 | 5,268 | 3,477 |
Exploration and Production | Crude oil revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 1,783 | 957 | 3,022 | 2,161 |
Exploration and Production | Crude oil revenue | United States | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 895 | 661 | 1,731 | 1,546 |
Exploration and Production | Crude oil revenue | Guyana | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 681 | 134 | 907 | 315 |
Exploration and Production | Crude oil revenue | Malaysia and JDA | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 37 | 27 | 68 | 49 |
Exploration and Production | Crude oil revenue | Other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 170 | 135 | 316 | 251 |
Exploration and Production | Natural gas liquids revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 173 | 120 | 354 | 263 |
Exploration and Production | Natural gas liquids revenue | United States | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 173 | 120 | 354 | 263 |
Exploration and Production | Natural gas liquids revenue | Guyana | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 0 | 0 | 0 | 0 |
Exploration and Production | Natural gas liquids revenue | Malaysia and JDA | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 0 | 0 | 0 | 0 |
Exploration and Production | Natural gas liquids revenue | Other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 0 | 0 | 0 | 0 |
Exploration and Production | Natural gas revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 346 | 240 | 626 | 519 |
Exploration and Production | Natural gas revenue | United States | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 126 | 61 | 211 | 174 |
Exploration and Production | Natural gas revenue | Guyana | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 0 | 0 | 0 | 0 |
Exploration and Production | Natural gas revenue | Malaysia and JDA | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 215 | 178 | 405 | 341 |
Exploration and Production | Natural gas revenue | Other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 5 | 1 | 10 | 4 |
Exploration and Production | Sales of purchased oil and gas | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 815 | 329 | 1,514 | 650 |
Exploration and Production | Sales of purchased oil and gas | United States | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 761 | 299 | 1,421 | 597 |
Exploration and Production | Sales of purchased oil and gas | Guyana | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 18 | 4 | 22 | 8 |
Exploration and Production | Sales of purchased oil and gas | Malaysia and JDA | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 0 | 0 | 0 | 0 |
Exploration and Production | Sales of purchased oil and gas | Other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 36 | 26 | 71 | 45 |
Midstream | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total sales and other operating revenues | 0 | 0 | 0 | 0 |
Midstream | Crude oil revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 0 | 0 | 0 | 0 |
Midstream | Natural gas liquids revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 0 | 0 | 0 | 0 |
Midstream | Natural gas revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 0 | 0 | 0 | 0 |
Midstream | Sales of purchased oil and gas | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 0 | 0 | 0 | 0 |
Operating Segments | Exploration and Production | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 3,117 | 1,646 | 5,516 | 3,593 |
Other operating revenues | (162) | (67) | (248) | (116) |
Total sales and other operating revenues | 2,955 | 1,579 | 5,268 | 3,477 |
Operating Segments | Exploration and Production | United States | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 1,955 | 1,141 | 3,717 | 2,580 |
Other operating revenues | (95) | (53) | (153) | (94) |
Total sales and other operating revenues | 1,860 | 1,088 | 3,564 | 2,486 |
Operating Segments | Exploration and Production | Guyana | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 699 | 138 | 929 | 323 |
Other operating revenues | (52) | (6) | (67) | (10) |
Total sales and other operating revenues | 647 | 132 | 862 | 313 |
Operating Segments | Exploration and Production | Malaysia and JDA | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 252 | 205 | 473 | 390 |
Other operating revenues | 0 | 0 | 0 | 0 |
Total sales and other operating revenues | 252 | 205 | 473 | 390 |
Operating Segments | Exploration and Production | Other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 211 | 162 | 397 | 300 |
Other operating revenues | (15) | (8) | (28) | (12) |
Total sales and other operating revenues | 196 | 154 | 369 | 288 |
Operating Segments | Midstream | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 314 | 294 | 626 | 583 |
Other operating revenues | 0 | 0 | 0 | 0 |
Total sales and other operating revenues | 314 | 294 | 626 | 583 |
Eliminations | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | (314) | (294) | (626) | (583) |
Other operating revenues | 0 | 0 | 0 | 0 |
Total sales and other operating revenues | (314) | (294) | (626) | (583) |
Eliminations | Exploration and Production | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 0 | 0 | 0 | 0 |
Total sales and other operating revenues | 0 | 0 | 0 | 0 |
Eliminations | Exploration and Production | United States | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 0 | 0 | 0 | 0 |
Eliminations | Exploration and Production | Guyana | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 0 | 0 | 0 | 0 |
Eliminations | Exploration and Production | Malaysia and JDA | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 0 | 0 | 0 | 0 |
Eliminations | Exploration and Production | Other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 0 | 0 | 0 | 0 |
Eliminations | Midstream | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Total revenues from contracts with customers | 314 | 294 | 626 | 583 |
Total sales and other operating revenues | $ 314 | $ 294 | $ 626 | $ 583 |