Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2021

Cash Flow Statement [Abstract]

Summary of Cash Flow Information

(CAD$ in millions)	December 31, 2021		December 31, 2020
Cash and cash equivalents
Cash	$	637	$	137
Investments with maturities from the date of acquisition of three months or less	790		313
	$	1,427	$	450

Summary of Non-Cash Working Capital Items

(CAD$ in millions)	2021		2020
Net change in non-cash working capital items
Trade and settlement receivables	$	(670)	$	(294)
Inventories	(412)		100
Prepaids and other current assets	(105)		(102)
Trade accounts payable and other liabilities	313		55
	$	(874)	$	(241)