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Exploration and Evaluation (Tables) | 12 Months Ended
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Dec. 31, 2022
Text Block [abstract] |
Summary of Exploration And Evaluation |
|  | Asia Pacific US$m |  |  | Americas US$m |  |  | Africa US$m |  |  | Total US$m |
Year ended 31 December 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Carrying amount at 1 January 2022 |  |  | 546 |  |  |  | - |  |  |  | 68 |  |  |  | 614 |
Acquisitions through business combination 1 |  |  | - |  |  |  | 180 |  |  |  | - |  |  |  | 180 |
Additions |  |  | 19 |  |  |  | 204 |  |  |  | 17 |  |  |  | 240 |
Disposals |  |  | - |  |  |  | (10) |  |  |  | - |  |  |  | (10) |
Amortisation of licence acquisition costs |  |  | - |  |  |  | (8) |  |  |  | (2) |  |  |  | (10) |
Expensed 2 |  |  | - |  |  |  | (126) |  |  |  | (45) |  |  |  | (171) |
Transferred exploration and evaluation |  |  | (36) |  |  |  | - |  |  |  | - |  |  |  | (36) |
Carrying amount at 31 December 2022 |  |  | 529 |  |  |  | 240 |  |  |  | 38 |  |  |  | 807 |
Year ended 31 December 2021 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Carrying amount at 1 January 2021 |  |  | 1,981 |  |  |  | - |  |  |  | 64 |  |  |  | 2,045 |
Additions |  |  | 494 |  |  |  | - |  |  |  | 7 |  |  |  | 501 |
Amortisation of licence acquisition costs |  |  | - |  |  |  | - |  |  |  | (3) |  |  |  | (3) |
Expensed 2 |  |  | (265) |  |  |  | - |  |  |  | - |  |  |  | (265) |
Transferred exploration and evaluation |  |  | (1,664) |  |  |  | - |  |  |  | - |  |  |  | (1,664) |
Carrying amount at 31 December 2021 |  |  | 546 |  |  |  | - |  |  |  | 68 |  |  |  | 614 |
Exploration commitments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Year ended 31 December 2022 |  |  | 1 |  |  |  | 1 |  |  |  | 27 |  |  |  | 29 |
Year ended 31 December 2021 3 |  |  | 16 |  |  |  | 1 |  |  |  | 77 |  |  |  | 94 |
1. | Acquisitions through business combination have been recognised on a provisional basis. Adjustments will be made to the provisional amounts if new information is obtained within 12 months from the acquisition date. Refer to Note B.5 for details.
2. | $125 million (2021: $56 million) relates to costs of unsuccessful wells. For the year ended 31 December 2021, $209 million relates to capitalised cost s written off due to the Group’s decision to withdraw its interests in Myanmar.
3. | Oceania and Asia have been presented within Asia Pacific for the year ended 31 December 2022. The 2021 amounts have been reclassified to be presented on the same basis.

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