Pension and Other Benefits (Tables)

3 Months Ended

Mar. 31, 2022

Retirement Benefits [Abstract]

Net Periodic Benefit Cost for Defined Benefit Pension Plans and Other Benefits

Net periodic benefit costs for defined benefit pension plans and other benefits included the following components:        

	For the three months ended March 31
	Pensions				Other benefits
(in millions of Canadian dollars)	2022		2021		2022		2021
Current service cost (benefits earned by employees)	$	37	$	43	$	2	$	3
Other components of net periodic benefit (recovery) cost:
Interest cost on benefit obligation	96		88		4		4
Expected return on fund assets	(240)		(240)		—		—
Recognized net actuarial loss	38		52		1		1
Total other components of net periodic benefit (recovery) cost	(106)		(100)		5		5
Net periodic benefit (recovery) cost	$	(69)	$	(57)	$	7	$	8