Goodwill (Tables)

12 Months Ended

Dec. 31, 2023

Intangible Assets [Abstract]

Schedule of Goodwill

(CAD$ in millions)	Steelmaking Coal Operations		Quebrada Blanca		Total
January 1, 2022	$	702	$	389	$	1,091
Changes in foreign exchange rates	—		27		27
December 31, 2022	$	702	$	416	$	1,118
Changes in foreign exchange rates	—		(10)		(10)
December 31, 2023	$	702	$	406	$	1,108