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QB2 Advances from SMM/SC - Narrative (Details) - SSM/SC - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
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Quebrada Blanca Phase 2 project facility |  |
Disclosure of detailed information about borrowings [line items] |  |
Maximum borrowing capacity | $ 1,300 |
Line of credit additional borrowing | 580 | $ 750
Quebrada Blanca Phase 2 project third subordinated facility |  |
Disclosure of detailed information about borrowings [line items] |  |
Line of credit additional borrowing | 578,000 |
Subordinated Loan Facility Agreement |  |
Disclosure of detailed information about borrowings [line items] |  |
Line of credit additional borrowing | $ 395 |

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