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QB2 Advances from SMM/SC - Summary of Amounts Outstanding (Details) $ in Millions, $ in Millions | Dec. 31, 2022 USD ($) | Dec. 31, 2022 CAD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 CAD ($)
--- | --- | --- | --- | ---
Disclosure of detailed information about borrowings [line items] |  |  |  |
Borrowings |  | $ 7,167 |  | $ 7,374
Face Value |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Borrowings | $ 5,362 |  | $ 5,906 |
Fair Value |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Borrowings |  | 7,089 |  | 8,570
Quebrada Blanca Phase 2 project facility |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Borrowings |  | 3,322 |  | 2,785
Quebrada Blanca Phase 2 project facility | SSM/SC |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Borrowings |  | 2,330 |  | 1,288
Quebrada Blanca Phase 2 project facility | Face Value |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Borrowings | 2,500 |  | 2,252 |
Quebrada Blanca Phase 2 project facility | Face Value | SSM/SC |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Borrowings | $ 1,693 |  | $ 1,003 |
Quebrada Blanca Phase 2 project facility | Fair Value |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Borrowings |  | 3,419 |  | 2,929
Quebrada Blanca Phase 2 project facility | Fair Value | SSM/SC |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Borrowings |  | $ 2,279 |  | $ 1,263

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