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Financial and Other Assets (Tables) | 12 Months Ended
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Dec. 31, 2019
Financial Instruments [Abstract] |
Schedule of Financial and Other Assets |
(CAD$ in millions) |  | December 31, 2019 |  |  | December 31, 2018 |
Long-term receivables and deposits |  | $ | 268 |  |  | $ | 220 |
Marketable equity and debt securities carried at fair value |  | 183 |  |  | 167 |
Debt prepayment option |  | — |  |  | 73 |
Pension plans in a net asset position (Note 22(a)) |  | 360 |  |  | 254 |
Long-term portion of inventories (Note 13) |  | 75 |  |  | 62 |
Intangibles |  | 162 |  |  | 80 |
Other |  | 61 |  |  | 51 |
|  | $ | 1,109 |  |  | $ | 907 |

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