Postretirement benefits (Tables)

9 Months Ended

Sep. 30, 2021

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
	2021				2020				2021		2020
Three Months Ended September 30	U.S. Plans		Non-U.S. Plans		U.S. Plans		Non-U.S. Plans
(in millions of U.S. dollars)
Service cost	$	—	$	1	$	—	$	1	$	1	$	—
Non-service cost (benefit):
Interest cost	18		5		24		6		1		1
Expected return on plan assets	(64)		(10)		(56)		(11)		(1)		(1)
Amortization of net actuarial loss	—		—		—		—		—		—
Amortization of prior service cost (1)	—		—		—		1		—		(20)

Settlements	1		—		1		—		—		—
Total non-service cost (benefit)	(45)		(5)		(31)		(4)		—		(20)
Net periodic benefit cost (benefit)	$	(45)	$	(4)	$	(31)	$	(3)	$	1	$	(20)

(1) At June 30, 2021, the remaining prior service cost amortization related to the 2016 harmonization of our U.S. retirement program was fully amortized. Refer to Note 13 to the Consolidated Financial Statements of our 2020 Form 10-K for additional information.


	Pension Benefit Plans								Other Postretirement Benefit Plans
	2021				2020				2021		2020
Nine Months Ended September 30	U.S. Plans		Non-U.S. Plans		U.S. Plans		Non-U.S. Plans
(in millions of U.S. dollars)
Service cost	$	—	$	3	$	—	$	3	$	1	$	—
Non-service cost (benefit):
Interest cost	53		14		74		17		1		2
Expected return on plan assets	(191)		(32)		(168)		(32)		(1)		(3)
Amortization of net actuarial loss	—		2		—		1		—		—
Amortization of prior service cost	—		—		—		1		(26)		(60)

Settlements	1		—		3		—		—		—
Total non-service cost (benefit)	(137)		(16)		(91)		(13)		(26)		(61)
Net periodic benefit cost (benefit)	$	(137)	$	(13)	$	(91)	$	(10)	$	(25)	$	(61)

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


	Pension Benefit Plans				Other Postretirement Benefit Plans
Three Months Ended September 30	2021		2020		2021		2020
(in millions of U.S. dollars)
Service cost:
Losses and loss expenses	$	—	$	—	$	—	$	—
Administrative expenses	1		1		1		—
Total service cost	1		1		1		—
Non-service cost (benefit):
Losses and loss expenses	(5)		(3)		—		(2)
Administrative expenses	(45)		(32)		—		(18)
Total non-service cost (benefit)	(50)		(35)		—		(20)
Net periodic benefit cost (benefit)	$	(49)	$	(34)	$	1	$	(20)


	Pension Benefit Plans				Other Postretirement Benefit Plans
Nine Months Ended September 30	2021		2020		2021		2020
(in millions of U.S. dollars)
Service cost:
Losses and loss expenses	$	—	$	—	$	—	$	—
Administrative expenses	3		3		1		—
Total service cost	3		3		1		—
Non-service cost (benefit):
Losses and loss expenses	(14)		(9)		(3)		(6)
Administrative expenses	(139)		(95)		(23)		(55)
Total non-service cost (benefit)	(153)		(104)		(26)		(61)
Net periodic benefit cost (benefit)	$	(150)	$	(101)	$	(25)	$	(61)