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Impairment charges net of reversals - (Tables) | 12 Months Ended
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Dec. 31, 2024
Disclosure of impairment loss and reversal of impairment loss [abstract] |
Summary of impairment charges net of reversals | 4 Impairment charges net of reversals continued
|  | 2024 | 2023 | 2022
| Note | Pre-tax amount US$m | Taxation US$m | Non- controlling interest US$m | Net amount US$m | Pre-tax amount US$m | Pre-tax amount US$m
Aluminium - Alumina refineries |  | (461) | (42) | – | (503) | (1,175) | –
Aluminium - Tiwai Point |  | 41 | 37 | – | 78 | – | –
Aluminium - MRN |  | (23) | – | – | (23) | – | –
Aluminium – Pacific Aluminium |  | – | – | – | – | – | (202)
Minerals - Diavik |  | (118) | 32 | – | (86) | – | –
Other operations - Simandou |  | – | – | – | – | 239 | –
Other operations - Roughrider |  | – | – | – | – | – | 150
Total impairment charges net of reversals |  | (561) | 27 | – | (534) | (936) | (52)
Allocated as: |  |  |  |  |  |  |
Intangible assets | 12 | – |  |  |  | 231 | 150
Property, plant and equipment | 13 | (538) |  |  |  | (1,167) | –
Investment in equity accounted units (EAUs) |  | – |  |  |  | – | (202)
Share of profit after tax in EAUs |  | (23) |  |  |  | – | –
Total impairment charges net of reversals |  | (561) |  |  |  | (936) | (52)
Comprising: |  |  |  |  |  |  |
Net impairment (charges)/reversals of consolidated balances |  |  |  |  | (538) | (936) | 150
Impairment (charges) related to EAUs (pre-tax) |  |  |  |  | (35) | – | (202)
Total impairment charges net of reversals |  |  |  |  | (573) | (936) | (52)
Taxation (including related to EAUs) |  |  |  |  | 39 | 499 | –
Non-controlling interests |  |  |  |  | – | (215) | –
Total impairment charges net of reversals in the income statement |  |  |  |  | (534) | (652) | (52)

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- Definition The disclosure of an impairment loss recognised or reversed for a cash-generating unit. [Refer: Impairment loss; Reversal of impairment loss] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2024-01-01 -Paragraph 130 -Subparagraph d -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2024-en-r&anchor=para_130_d_ii&doctype=Standard -URIDate 2024-03-27 + Details
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