Postretirement benefits (Tables)

6 Months Ended

Jun. 30, 2023

Schedule of Net Benefit Costs [Table Text Block]

The components of net pension and other postretirement benefit costs (benefits) reflected in Net income in the Consolidated statements of operations were as follows:


	Pension Benefit Plans								Other Postretirement Benefit Plans
	2023				2022				2023		2022
Three Months Ended June 30	U.S. Plans		Non-U.S. Plans		U.S. Plans		Non-U.S. Plans
(in millions of U.S. dollars)
Service cost	$	—	$	2	$	—	$	1	$	—	$	—
Non-service cost (benefit):
Interest cost	34		9		22		6		1		1
Expected return on plan assets	(56)		(13)		(71)		(11)		(1)		(1)
Amortization of net actuarial loss	—		—		—		—		—		—
Amortization of prior service cost	—		—		—		—		—		—

Settlements	—		—		—		—		—		—
Total non-service cost (benefit)	(22)		(4)		(49)		(5)		—		—
Net periodic benefit cost (benefit)	$	(22)	$	(2)	$	(49)	$	(4)	$	—	$	—


	Pension Benefit Plans								Other Postretirement Benefit Plans
	2023				2022				2023			2022
Six Months Ended June 30	U.S. Plans		Non-U.S. Plans		U.S. Plans		Non-U.S. Plans
(in millions of U.S. dollars)
Service cost:	$	—	$	4	$	—	$	2		$	—		$	—
Non-service cost (benefit):
Interest cost	68		18		43		12			1			1
Expected return on plan assets	(112)		(25)		(142)		(22)			(2)			(1)
Amortization of net actuarial loss	—		—		—		—			—			—
Amortization of prior service cost	—		—		—		—			—			—
Settlements	—		—		—		—			—			—
Total non-service cost (benefit)	(44)		(7)		(99)		(10)			(1)			—
Net periodic benefit cost (benefit)	$	(44)	$	(3)	$	(99)	$	(8)		$	(1)		$	—

The line items in which the service cost and non-service cost (benefit) components of net periodic cost (benefit) are included in the Consolidated statements of operations were as follows:


	Pension Benefit Plans				Other Postretirement Benefit Plans
Three Months Ended June 30	2023		2022		2023		2022
(in millions of U.S. dollars)
Service cost:
Losses and loss expenses	$	—	$	—	$	—	$	—
Administrative expenses	2		1		—		—
Total service cost	2		1		—		—
Non-service cost (benefit):
Losses and loss expenses	(3)		(5)		—		—
Administrative expenses	(23)		(49)		—		—
Total non-service cost (benefit)	(26)		(54)		—		—
Net periodic benefit cost (benefit)	$	(24)	$	(53)	$	—	$	—


	Pension Benefit Plans				Other Postretirement Benefit Plans
Six Months Ended June 30	2023		2022		2023		2022
(in millions of U.S. dollars)
Service cost:
Losses and loss expenses	$	—	$	—	$	—	$	—
Administrative expenses	4		2		—		—
Total service cost	4		2		—		—
Non-service cost (benefit):
Losses and loss expenses	(5)		(10)		—		—
Administrative expenses	(46)		(99)		(1)		—
Total non-service cost (benefit)	(51)		(109)		(1)		—
Net periodic benefit cost (benefit)	$	(47)	$	(107)	$	(1)	$	—