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Impairment (Tables) | 6 Months Ended
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Jun. 30, 2025
Disclosure of impairment loss and reversal of impairment loss [abstract] |
Summary of impairment charges |
|  | 2025 | 2024
Six months ended 30 June |  | Pre-tax amount US$m | Taxation US$m | Non-controlling interest US$m | Net amount US$m | Pre-tax amount US$m
Minerals – RTITQO |  | (122) |  | 36 |  | — |  | (86) |  | — |
Aluminium – Tiwai Point |  | — |  | — |  | — |  | — |  | 41 |
Aluminium – Porto Trombetas (MRN) |  | — |  | — |  | — |  | — |  | (23) |
Net impairment (charges)/reversals |  | (122) |  | 36 |  | — |  | (86) |  | 18 |
Allocated as: |  |  |  |  |  |
Property, plant and equipment |  | (122) |  |  |  |  | 41 |
Share of profit after tax of equity accounted units |  | — |  |  |  |  | (23) |
Net impairment (charges)/reversals |  | (122) |  |  |  |  | 18 |
Six months ended 30 June |  |  |  |  | 2025 US$m | 2024 US$m
Comprising: |  |  |  |  |  |
Impairment (charges)/reversals of consolidated balances |  |  |  |  | (122) |  | 41 |
Impairment charges related to EAUs (pre-tax) |  |  |  |  | — |  | (35) |
Taxation |  |  |  |  | 36 |  | 49 |
Net impairment (charges)/reversals in the income statement |  |  |  |  | (86) |  | 55 |

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