Pension and Postretirement Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2022

Retirement Benefits [Abstract]

Components of net periodic benefit cost (benefit)

The other components of net periodic benefit cost are reflected in other expense (income), net. Components of net periodic benefit cost and other supplemental information for the three months ended March 31, 2022 and 2021 follow:

Benefit Plan Information

	Three months ended March 31,
	Qualified and Non-qualified Pension Benefits								Postretirement Benefits
	United States				International
(Millions)	2022		2021		2022		2021		2022		2021
Net periodic benefit cost (benefit)
Operating expense
Service cost	$	64	$	72	$	35	$	42	$	11	$	12
Non-operating expense
Interest cost	104		90		32		25		13		11
Expected return on plan assets	(241)		(264)		(72)		(81)		(18)		(19)
Amortization of transition asset	—		—		—		—		—		—
Amortization of prior service benefit	(6)		(6)		—		(1)		(7)		(8)
Amortization of net actuarial loss	106		132		11		27		10		14
Settlements, curtailments, special termination benefits and other	—		—		—		—		1		1
Total non-operating expense (benefit)	(37)		(48)		(29)		(30)		(1)		(1)
Total net periodic benefit cost (benefit)	$	27	$	24	$	6	$	12	$	10	$	11