Postretirement benefits

3 Months Ended

Mar. 31, 2020

Retirement Benefits [Abstract]

Compensation and Employee Benefit Plans [Text Block]

Postretirement benefits

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
	2020						2019						2020			2019
Three Months Ended March 31	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
(in millions of U.S. dollars)
Service cost	$	—		$	1		$	12		$	3		$	—		$	—
Non-service cost:
Interest cost	25			6			30			7			1			1
Expected return on plan assets	(56		)	(10		)	(47		)	(11		)	(1		)	(1		)
Amortization of prior service cost	—			—			—			—			(20		)	(20		)
Settlements	1			—			—			—			—			—
Total non-service (benefit) cost	(30		)	(4		)	(17		)	(4		)	(20		)	(20		)
Net periodic (benefit) cost	$	(30	)	$	(3	)	$	(5	)	$	(1	)	$	(20	)	$	(20	)

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

	Pension Benefit Plans						Other Postretirement Benefit Plans
Three Months Ended March 31	2020			2019			2020			2019
(in millions of U.S. dollars)
Service cost:
Losses and loss expenses	$	—		$	2		$	—		$	—
Administrative expenses	1			13			—			—
Total service cost	1			15			—			—
Non-service cost:
Losses and loss expenses	(3		)	(2		)	(2		)	(2		)
Administrative expenses	(31		)	(19		)	(18		)	(18		)
Total non-service (benefit) cost	(34		)	(21		)	(20		)	(20		)
Net periodic (benefit) cost	$	(33	)	$	(6	)	$	(20	)	$	(20	)