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Other Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2024
Disclosure of Other Liabilities [Abstract] |
Summary of Other Liabilities |
(CAD$ in millions) |  | December 31, 2024 |  | December 31, 2023 |  |
Long-term portion of derivative liabilities (current portion – $23 (2023 – $15)) |  | $ | 24 |  |  | $ | 18 |  |  |
Codelco preferential dividend liability (Note 12(a)) |  | 548 |  |  | 444 |  |  |
QB variable consideration to IMSA (Note 12(a)) |  | 60 |  |  | 115 |  |  |
Obligation to Neptune Bulk Terminals (derecognized as part of the sale of the steelmaking coal business (Note 5)) |  | — |  |  | 207 |  |  |
Downstream pipeline take-or-pay toll commitment |  | 285 |  |  | 270 |  |  |
Other liabilities |  | 182 |  |  | 89 |  |  |
|  | $ | 1,099 |  |  | $ | 1,143 |  |  |

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