Accounts receivable, net (Tables)

12 Months Ended

Dec. 31, 2024

Receivables [Abstract]

Schedule of Accounts Receivable, Net

	As at December 31, 2024						As at December 31, 2023
(in millions of Canadian dollars)	Freight		Non-freight		Total		Freight		Non-freight		Total
Total accounts receivable	$	1,635	$	431	$	2,066	$	1,559	$	417	$	1,976
Allowance for credit losses	(75)		(23)		(98)		(63)		(26)		(89)
Total accounts receivable, net	$	1,560	$	408	$	1,968	$	1,496	$	391	$	1,887