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Exploration and Evaluation Assets (Tables) | 12 Months Ended
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Dec. 31, 2023
Exploration For And Evaluation Of Mineral Resources [Abstract] |
Detailed Information About Exploration and Evaluation Assets |
| Exploration and Production | Oil Sands Mining and Upgrading | Total
| North America | North Sea | Offshore Africa |  |
Cost |  |  |  |  |
At December 31, 2021 | $ | 2,057 |  | $ | — |  | $ | 91 |  | $ | 102 |  | $ | 2,250 |
Additions/Acquisitions | 41 |  | — |  | 5 |  | — |  | 46 |
Transfers to property, plant and equipment | (71) |  | — |  | — |  | — |  | (71) |
Derecognitions and other | (1) |  | — |  | — |  | — |  | (1) |
Foreign exchange adjustments | — |  | — |  | 2 |  | — |  | 2 |
At December 31, 2022 | 2,026 |  | — |  | 98 |  | 102 |  | 2,226 |
Additions/Acquisitions | 45 |  | — |  | 3 |  | — |  | 48 |
Transfers to property, plant and equipment | (38) |  | — |  | — |  | (25) |  | (63) |
Derecognitions and other | (2) |  | — |  | — |  | — |  | (2) |
Foreign exchange adjustments | — |  | — |  | (1) |  | — |  | (1) |
At December 31, 2023 | $ | 2,031 |  | $ | — |  | $ | 100 |  | $ | 77 |  | $ | 2,208 |

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