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Inventories (Tables) | 12 Months Ended
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Dec. 31, 2021
Inventories [Abstract] |
Summary of Inventories |
(CAD$ in millions) |  | December 31, 2021 |  | December 31, 2020
Supplies |  | $ | 797 |  |  | $ | 757 |
Raw materials |  | 250 |  |  | 197 |
Work in process |  | 741 |  |  | 592 |
Finished products |  | 728 |  |  | 410 |
|  | 2,516 |  |  | 1,956 |
Less long-term portion (Note 13) |  | (126) |  |  | (84) |
|  | $ | 2,390 |  |  | $ | 1,872 |

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