Inventories (Tables)

12 Months Ended

Dec. 31, 2024

Inventories [Abstract]

Summary of Inventories

(CAD$ in millions)	December 31, 2024		December 31, 2023
Supplies	$	1,235	$	1,318
Raw materials	260		277
Work in process	774		1,046
Finished products	636		655
	2,905		3,296
Less non-current portion (Note 20)	(307)		(350)
	$	2,598	$	2,946