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Provisions and Other Liabilities - Summary of Provisions and Other Liabilities (Detail) - CAD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Disclosure of other provisions [line items] |  |
Decommissioning and restoration provisions and other provisions | $ 2,805 | $ 3,813
Derivative liabilities (net of current portion of $10 (2021 – $9)) | 26 | 51
QB2 variable consideration to IMSA (Note 11(a)) | 114 | 98
Other IMSA payable (net of current portion of $68 (2021 – $nil)) | 0 | 61
Other liabilities | 97 | 83
Other liabilities and provisions | 3,517 | 4,354
Settlement payables (Note 31) | 10 | 9
Other | 49 | 59
Other IMSA payable |  |
Disclosure of other provisions [line items] |  |
Other | 68 | 0
Neptune Bulk Terminals Inc. |  |
Disclosure of other provisions [line items] |  |
Obligation to Neptune Bulk Terminals | 189 | 170
Preferential Dividend |  |
Disclosure of other provisions [line items] |  |
ENAMI preferential dividend liability (Note 11(a)) | $ 286 | $ 78

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