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Property, Plant and Equipment (Tables) | 12 Months Ended
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Dec. 31, 2024
Property, plant and equipment [abstract] |
Detailed Information About Property, Plant and Equipment |
| Exploration and Production | Oil Sands Mining and Upgrading | Midstream and Refining | Head Office | Total
| North America | North Sea | Offshore Africa |  |  |  |
Cost |  |  |  |  |  |  |
At December 31, 2022 | $ | 81,075 |  | $ | 8,258 |  | $ | 4,332 |  | $ | 47,732 |  | $ | 474 |  | $ | 536 |  | $ | 142,407 |
Additions/Acquisitions | 2,951 |  | 558 |  | 187 |  | 2,088 |  | 10 |  | 30 |  | 5,824 |
Transfers from exploration and evaluation assets | 38 |  | — |  | — |  | 25 |  | — |  | — |  | 63 |
Derecognitions (1) | (581) |  | — |  | — |  | (470) |  | — |  | — |  | (1,051) |
Foreign exchange adjustments and other | — |  | (210) |  | (110) |  | — |  | — |  | — |  | (320) |
At December 31, 2023 | 83,483 |  | 8,606 |  | 4,409 |  | 49,375 |  | 484 |  | 566 |  | 146,923 |
Additions | 3,440 |  | 352 |  | 205 |  | 2,103 |  | 11 |  | 41 |  | 6,152 |
Acquisition of Chevron's assets | 2,585 |  | — |  | — |  | 6,316 |  | — |  | — |  | 8,901 |
Transfers from exploration and evaluation assets | 45 |  | — |  | — |  | 7 |  | — |  | — |  | 52 |
Derecognitions (1) | (589) |  | (18) |  | — |  | (456) |  | — |  | — |  | (1,063) |
Foreign exchange adjustments and other | — |  | 791 |  | 409 |  | — |  | — |  | — |  | 1,200 |
At December 31, 2024 | $ | 88,964 |  | $ | 9,731 |  | $ | 5,023 |  | $ | 57,345 |  | $ | 495 |  | $ | 607 |  | $ | 162,165 |
Accumulated depletion and depreciation |  |  |  |  |
At December 31, 2022 | $ | 55,835 |  | $ | 8,106 |  | $ | 3,277 |  | $ | 9,712 |  | $ | 198 |  | $ | 420 |  | $ | 77,548 |
Expense | 3,592 |  | 40 |  | 177 |  | 1,856 |  | 15 |  | 24 |  | 5,704 |
Derecognitions (1) | (581) |  | — |  | — |  | (470) |  | — |  | — |  | (1,051) |
Recoverability charge (2) | — |  | 436 |  | — |  | — |  | — |  | — |  | 436 |
Foreign exchange adjustments and other | (6) |  | (200) |  | (96) |  | 7 |  | — |  | — |  | (295) |
At December 31, 2023 | 58,840 |  | 8,382 |  | 3,358 |  | 11,105 |  | 213 |  | 444 |  | 82,342 |
Expense | 3,741 |  | 96 |  | 192 |  | 2,086 |  | 16 |  | 26 |  | 6,157 |
Derecognitions (1) | (589) |  | (18) |  | — |  | (456) |  | — |  | — |  | (1,063) |
Recoverability charge (2) | — |  | 160 |  | — |  | — |  | — |  | — |  | 160 |
Foreign exchange adjustments and other | 18 |  | 772 |  | 335 |  | 30 |  | — |  | — |  | 1,155 |
At December 31, 2024 | $ | 62,010 |  | $ | 9,392 |  | $ | 3,885 |  | $ | 12,765 |  | $ | 229 |  | $ | 470 |  | $ | 88,751 |
Net book value |  |  |  |  |  |  |
At December 31, 2024 | $ | 26,954 |  | $ | 339 |  | $ | 1,138 |  | $ | 44,580 |  | $ | 266 |  | $ | 137 |  | $ | 73,414 |
At December 31, 2023 | $ | 24,643 |  | $ | 224 |  | $ | 1,051 |  | $ | 38,270 |  | $ | 271 |  | $ | 122 |  | $ | 64,581 |
(1)An asset is derecognized when no future economic benefits are expected to arise from its continued use or disposal. (2)The Company continues to refine its project scope and cost estimates related to its long-term abandonment activities at the Ninian field in the North Sea. At December 31, 2024, the Company recognized a non-cash charge of $21 million comprised of a recoverability charge recognized in depletion, depreciation and amortization expense of $160 million net of deferred tax recoveries of $139 million (2023 – $113 million comprised of a recoverability charge of $436 million net of deferred tax recoveries of $323 million; 2022 – $651 million comprised of a recoverability charge of $1,620 million net of deferred tax recoveries of $969 million). The Company's estimate of its asset retirement obligation liability, including the Ninian field recoverability charges and associated tax recoveries, is subject to revision in future periods as abandonment efforts progress.
Disclosure of Detailed Information about Asset Acquisition | The following provides a summary of the net assets acquired relating to the acquisition:
Property, plant and equipment |  |  | $ | 8,901 |
Exploration and evaluation assets |  |  | 320 |
Working capital |  |  | 115 |
Asset retirement obligations |  |  | (173) |
Net assets acquired |  |  | $ | 9,163 |

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