Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2022

Cash Flow Statement [Abstract]

Summary of Cash Flow Information

(CAD$ in millions)	December 31, 2022		December 31, 2021
Cash and cash equivalents
Cash	$	259	$	637
Investments with maturities from the date of acquisition of three months or less	1,624		790
	$	1,883	$	1,427

Summary of Non-Cash Working Capital Items

(CAD$ in millions)	2022		2021
Net change in non-cash working capital items
Trade and settlement receivables	$	478	$	(670)
Inventories	(421)		(412)
Prepaids and other current assets	(401)		(105)
Trade accounts payable and other liabilities	237		303
	$	(107)	$	(884)