Non-Controlling Interest (Narrative) (Details) - Copper Mountain Mine (BC) Ltd. [Member] |
12 Months Ended | ||
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Dec. 31, 2025 |
Dec. 31, 2024 |
Apr. 30, 2025 |
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| Disclosure of Non-Controlling Interest [Line Items] | |||
| Proportion of ownership interest in subsidiary | 100.00% | 75.00% | |
| Mitsubishi Materials Corporation [Member] | |||
| Disclosure of Non-Controlling Interest [Line Items] | |||
| Percentage of voting equity interests acquired | 25.00% | ||
| Proportion of voting rights held by non-controlling interests | 25.00% | ||
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. No definition available.
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- Definition The percentage of voting equity interests acquired in a business combination. [Refer: Total for all business combinations [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Total for all subsidiaries [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The proportion of the voting rights in a subsidiary held by non-controlling interests. [Refer: Total for all subsidiaries [member]; Non-controlling interests] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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