Accounts receivable, net (Tables)

12 Months Ended

Dec. 31, 2022

Receivables [Abstract]

Schedule of Accounts Receivable, Net

	As at December 31, 2022						As at December 31, 2021
(in millions of Canadian dollars)	Freight		Non-Freight		Total		Freight		Non-Freight		Total
Total accounts receivable	$	785	$	272	$	1,057	$	614	$	239	$	853
Allowance for credit losses	(27)		(14)		(41)		(20)		(14)		(34)
Total accounts receivable, net	$	758	$	258	$	1,016	$	594	$	225	$	819