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Inventories (Tables)

12 Months Ended

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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