Retirement Benefits (Tables)

9 Months Ended

Sep. 30, 2020

Retirement Benefits [Abstract]

Defined Benefit Plans - Expense

The pre-tax net periodic benefit cost/(income) for our defined benefit pension and OPEB plans for the periods ended September 30 were as follows (in millions):

	Third Quarter
	Pension Benefits
	U.S. Plans				Non-U.S. Plans				Worldwide OPEB
	2019		2020		2019		2020		2019		2020
Service cost	$	121	$	130	$	125	$	135	$	11	$	12
Interest cost	381		322		170		130		53		43
Expected return on assets	(674)		(699)		(277)		(272)		—		—
Amortization of prior service costs/(credits)	22		1		8		8		(18)		(4)
Net remeasurement (gain)/loss	263		(1)		43		55		—		—
Separation programs/other	7		—		78		66		—		(1)
Settlements and curtailments	(16)		1		(19)		74		—		—
Net periodic benefit cost/(income)	$	104	$	(246)	$	128	$	196	$	46	$	50
	First Nine Months
	Pension Benefits
	U.S. Plans				Non-U.S. Plans				Worldwide OPEB
	2019		2020		2019		2020		2019		2020
Service cost	$	349	$	390	$	381	$	393	$	33	$	35
Interest cost	1,199		968		519		393		158		127
Expected return on assets	(1,972)		(2,097)		(844)		(793)		—		—
Amortization of prior service costs/(credits)	65		3		25		25		(53)		(12)
Net remeasurement (gain)/loss	253		3		43		(177)		—		58
Separation programs/other	8		13		322		123		—		(1)
Settlements and curtailments	(66)		5		(19)		92		—		(2)
Net periodic benefit cost/(income)	$	(164)	$	(715)	$	427	$	56	$	138	$	205