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Non-Controlling Interests - Summary of Information About Subsidiaries with Non-controlling Interests and Non-controlling Interest Balances (Details) - CAD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023
Disclosure of subsidiaries [line items] |  |
Non-controlling interests | $ 1,019 | $ 1,304
Quebrada Blanca |  |
Disclosure of subsidiaries [line items] |  |
Percentage of ownership interests held by non-controlling interests | 40.00% |
Percentage of voting rights held by non-controlling interest | 40.00% |
Non-controlling interests | $ 889 | 1,104
Carmen de Andacollo |  |
Disclosure of subsidiaries [line items] |  |
Percentage of ownership interests held by non-controlling interests | 10.00% |
Percentage of voting rights held by non-controlling interest | 10.00% |
Non-controlling interests | $ 30 | 18
Elkview Mine Limited Partnership |  |
Disclosure of subsidiaries [line items] |  |
Percentage of ownership interests held by non-controlling interests | 5.00% |
Percentage of voting rights held by non-controlling interest | 5.00% |
Non-controlling interests | $ 0 | 126
Compania Minera Zafranal S.A.C. |  |
Disclosure of subsidiaries [line items] |  |
Percentage of ownership interests held by non-controlling interests | 20.00% |
Percentage of voting rights held by non-controlling interest | 20.00% |
Non-controlling interests | $ 100 | $ 56

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- Definition The amount of equity in a subsidiary not attributable, directly or indirectly, to a parent. [Refer: Total for all subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 10 -IssueDate 2024-01-01 -Paragraph 22 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=10&code=ifrs-tx-2024-en-r&anchor=para_22&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph 12 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_12_f&doctype=Standard -URIDate 2024-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 54 -Subparagraph q -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_q&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The proportion of ownership interests in a subsidiary held by non-controlling interests. [Refer: Total for all subsidiaries [member]; Non-controlling interests] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph 12 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_12_c&doctype=Standard -URIDate 2024-03-27 + Details
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