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Finance Income and Finance Expense (Tables) | 12 Months Ended
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Dec. 31, 2021
Analysis of income and expense [abstract] |
Schedule of Finance Income and Finance Expense |
(CAD$ in millions) |  | 2021 |  | 2020
Finance income |  |  |  |
Investment income |  | $ | 5 |  |  | $ | 10 |
Total finance income |  | $ | 5 |  |  | $ | 10 |
Finance expense |  |  |  |
Debt interest |  | $ | 298 |  |  | $ | 275 |
Interest on advances from SMM/SC |  | 37 |  |  | 42 |
Interest on lease liabilities (Note 19(c)) |  | 35 |  |  | 37 |
Letters of credit and standby fees |  | 44 |  |  | 48 |
Net interest expense on retirement benefit plans |  | 5 |  |  | 5 |
Accretion on decommissioning and restoration provisions (Note 23(a)) |  | 151 |  |  | 114 |
Other |  | 15 |  |  | 8 |
|  | 585 |  |  | 529 |
Less capitalized borrowing costs (Note 15) |  | (370) |  |  | (251) |
Total finance expense |  | $ | 215 |  |  | $ | 278 |

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