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Entities accounted under the equity method Principal joint ventures - Reconciliation of financial information for joint ventures by carrying value (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Disclosure Of Joint Ventures And Associates [Line Items] |  |
Net assets/(liabilities) | $ 57,965 | $ 56,341
Deferred tax liabilities | 2,635 | $ 2,584
Deferred tax liabilities arising from Capital allowances | $ 252 |
Minera Escondida Ltda |  |
Disclosure Of Joint Ventures And Associates [Line Items] |  |
Proportion of ownership interest in joint venture (%) | 30.00% | 30.00%
Net assets/(liabilities) | $ 8,285 | $ 8,432
Group’s ownership interest | 2,486 | 2,530
Carrying value of Group’s interest | 2,486 | 2,530
Investment in equity accounted units |  |
Disclosure Of Joint Ventures And Associates [Line Items] |  |
Deferred tax liabilities | $ 349 | $ 354

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- Definition The amount of deferred tax expense arising from the write-down, or reversal of a previous write-down, of a deferred tax asset. [Refer: Deferred tax assets] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 12 -IssueDate 2024-01-01 -Paragraph 80 -Subparagraph g -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2024-en-r&anchor=para_80_g&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amounts of income taxes payable in future periods in respect of taxable temporary differences. [Refer: Temporary differences [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2024-01-01 -Paragraph 81 -Subparagraph g -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2024-en-r&anchor=para_81_g_i&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 54 -Subparagraph o -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_o&doctype=Standard -URIDate 2024-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 56 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_56&doctype=Standard -URIDate 2024-03-27 + Details
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