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Other Assets - Schedule of Other Assets (Detail) - CAD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2023
Disclosure of classes of share capital [Line Items] |  |
Private Equity Investments (Note 35) | $ 55 | $ 131
Precious Metals | 86 | 76
Net Investment in Finance Leases | 62 | 61
Long-Term Receivables and Prepaids | 120 | 50
Intangible assets | 19 | 0
Other assets | 342 | $ 318
Oil Sands |  |
Disclosure of classes of share capital [Line Items] |  |
Disposals, intangible assets other than goodwill | $ 49 |

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