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Impairment of Non-current Assets - Additional Information (Detail) - USD ($) $ in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2023 | May 02, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Disclosure of detailed information about impairment of noncurrent assets [Line items] |  |  |  |
Goodwill |  |  | $ 1,341 | $ 1,389
Material impairment loss |  |  |  | 0
Impairment charges on property plant and equipment |  |  | 3,833 | 73
Impairment charges on intangible assets |  |  | $ 57 | 2
Western Australia Nickel [Member] |  |  |  |
Disclosure of detailed information about impairment of noncurrent assets [Line items] |  |  |  |
Discount rate applied |  |  | 7.50% |
Recoverable amount of asset or cash-generating unit |  |  | $ 600 |
Impairment charges on property plant and equipment |  |  | 3,744 |
Impairment charges on intangible assets |  |  | 56 |
OZ Minerals Limited [member] |  |  |  |
Disclosure of detailed information about impairment of noncurrent assets [Line items] |  |  |  |
Additional recognition, goodwill |  | $ 194 |  |
OZ Minerals Limited [member] | Western Australia Nickel [Member] |  |  |  |
Disclosure of detailed information about impairment of noncurrent assets [Line items] |  |  |  |
Goodwill impairment loss | $ 50 |  |  |
Goodwill allocated |  | 50 |  |
Other Cash Generating Units [Member] |  |  |  |
Disclosure of detailed information about impairment of noncurrent assets [Line items] |  |  |  |
Goodwill |  |  | 187 | 187
Goodwill impairment loss |  |  | $ 0 |
Other Cash Generating Units [Member] | Top of range [member] |  |  |  |
Disclosure of detailed information about impairment of noncurrent assets [Line items] |  |  |  |
Percentage of goodwill included in net assets |  |  | 1.00% | 1.00%
Copper SA [Member] |  |  |  |
Disclosure of detailed information about impairment of noncurrent assets [Line items] |  |  |  |
Amount by which unit's recoverable amount exceeds its carrying amount |  |  | $ 8,400 |
Goodwill |  |  | $ 1,154 |
Production volume decrease |  |  | 7.00% |
Copper SA [Member] | OZ Minerals Limited [member] |  |  |  |
Disclosure of detailed information about impairment of noncurrent assets [Line items] |  |  |  |
Goodwill |  |  | $ 144 |
Goodwill allocated |  | $ 144 |  |
Copper SA [Member] | WMC Resources Ltd [Member] |  |  |  |
Disclosure of detailed information about impairment of noncurrent assets [Line items] |  |  |  |
Goodwill |  |  | $ 1,010 |

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- Definition The amount of additional goodwill recognised, except goodwill included in a disposal group that, on acquisition, meets the criteria to be classified as held for sale in accordance with IFRS 5. [Refer: Goodwill; Disposal groups classified as held for sale [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2023-01-01 -Paragraph B67 -Subparagraph d -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2023-en-r&anchor=para_B67_d_ii&doctype=Appendix&subtype=B -URIDate 2023-03-23 + Details
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- Definition The amount by which a cash-generating unit's (group of units') recoverable amount exceeds its carrying amount. [Refer: Carrying amount [member]; Cash-generating units [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2023-01-01 -Paragraph 134 -Subparagraph f -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&anchor=para_134_f_i&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2023-01-01 -Paragraph 135 -Subparagraph e -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&anchor=para_135_e_i&doctype=Standard -URIDate 2023-03-23 + Details
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