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Provisions and Other Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2023
Other Provisions, Contingent Liabilities And Contingent Assets [Abstract] |
Summary of Provisions and Other Liabilities |
(CAD$ in millions) |  | December 31, 2023 |  | December 31, 2022 |  |
Decommissioning and restoration provisions and other provisions (a) |  | $ | 3,851 |  |  | $ | 2,805 |  |  |
Obligation to Neptune Bulk Terminals (b) |  | 207 |  |  | 189 |  |  |
Derivative liabilities (net of current portion of $15 (2022 – $10)) |  | 18 |  |  | 26 |  |  |
ENAMI preferential dividend liability (Note 12(a)) |  | 444 |  |  | 286 |  |  |
QB2 variable consideration to IMSA (Note 12(a)) |  | 115 |  |  | 114 |  |  |
Downstream pipeline take-or-pay toll commitment |  | 270 |  |  | — |  |  |
Other liabilities |  | 89 |  |  | 97 |  |  |
|  | $ | 4,994 |  |  | $ | 3,517 |  |  |
a) Decommissioning and Restoration Provisions and Other Provisions
Summary of Movements in Provisions | The following table summarizes the movements in provisions for the year ended December 31, 2023:
(CAD$ in millions) |  | Decommissioning and Restoration Provisions |  | Other Provisions |  | Total
As at January 1, 2023 |  | $ | 2,820 |  |  | $ | 346 |  |  | $ | 3,166 |
Settled during the year |  | (148) |  |  | (87) |  |  | (235) |
Change in discount rate |  | 325 |  |  | — |  |  | 325 |
Change in amount and timing of cash flows |  | 715 |  |  | 31 |  |  | 746 |
Accretion |  | 180 |  |  | 6 |  |  | 186 |
Additions due to formation of joint operation |  | 44 |  |  | — |  |  | 44 |
Other |  | (5) |  |  | — |  |  | (5) |
Changes in foreign exchange rates |  | (24) |  |  | (5) |  |  | (29) |
As at December 31, 2023 |  | 3,907 |  |  | 291 |  |  | 4,198 |
Less current portion of provisions (Note 19) |  | (301) |  |  | (46) |  |  | (347) |
Non-current provisions |  | $ | 3,606 |  |  | $ | 245 |  |  | $ | 3,851 |

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- Definition The disclosure of other provisions. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2023-01-01 -Paragraph 84 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&anchor=para_84&doctype=Standard -URIDate 2023-03-23 + Details
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