Change in non-cash working capital balances related to operations (Tables)

12 Months Ended

Dec. 31, 2022

Supplemental Cash Flow Elements [Abstract]

Changes In Non-cash Working Capital Balances Related To Operations

(in millions of Canadian dollars)	2022		2021		2020
(Use) source of cash:
Accounts receivable, net	$	(147)	$	32	$	(61)
Materials and supplies	(27)		(14)		(15)
Other current assets	(13)		24		(5)
Accounts payable and accrued liabilities	95		(108)		(308)
Change in non-cash working capital balances related to operations	$	(92)	$	(66)	$	(389)