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List of subsidiaries (Details) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022
Metals Acquisition Corp (Australia) Pty Ltd |  |
List of subsidiaries |  |
Proportion of ownership interest in subsidiary | 100.00% | 100.00%
MAC AU 1 Pty Ltd |  |
List of subsidiaries |  |
Proportion of ownership interest in subsidiary | 100.00% |
MAC AU 2 Pty Ltd |  |
List of subsidiaries |  |
Proportion of ownership interest in subsidiary | 100.00% |
MAC AU 3 Pty Ltd |  |
List of subsidiaries |  |
Proportion of ownership interest in subsidiary | 100.00% |
MAC AU 4 Pty Ltd |  |
List of subsidiaries |  |
Proportion of ownership interest in subsidiary | 100.00% |
Cobar Management Pty Limited ("CMPL") |  |
List of subsidiaries |  |
Proportion of ownership interest in subsidiary | 100.00% |

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- Definition The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2023-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2023-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2023-01-01 -Paragraph 19B -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_19B_c&doctype=Standard -URIDate 2023-03-23 + Details
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