Accounts receivable, net (Tables)

12 Months Ended

Dec. 31, 2023

Receivables [Abstract]

Schedule of Accounts Receivable, Net

	As at December 31, 2023						As at December 31, 2022
(in millions of Canadian dollars)	Freight		Non-freight		Total		Freight		Non-freight		Total
Total accounts receivable	$	1,559	$	417	$	1,976	$	785	$	272	$	1,057
Allowance for credit losses	(63)		(26)		(89)		(27)		(14)		(41)
Total accounts receivable, net	$	1,496	$	391	$	1,887	$	758	$	258	$	1,016