Goodwill (Tables)

12 Months Ended

Dec. 31, 2022

Intangible Assets [Abstract]

Schedule of Goodwill

(CAD$ in millions)	Steelmaking Coal Operations		Quebrada Blanca		Total
January 1, 2021	$	702	$	391	$	1,093
Changes in foreign exchange rates	—		(2)		(2)
December 31, 2021	$	702	$	389	$	1,091
Changes in foreign exchange rates	—		27		27
December 31, 2022	$	702	$	416	$	1,118