Retirement Benefits (Tables)

9 Months Ended

Sep. 30, 2023

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
	2022		2023		2022		2023		2022		2023
Service cost	$	125	$	74	$	101	$	62	$	10	$	5
Interest cost	263		413		123		245		36		58
Expected return on assets	(642)		(474)		(245)		(227)		—		—
Amortization of prior service costs/(credits)	—		—		6		7		(1)		1
Net remeasurement (gain)/loss	7		176		—		(7)		—		—
Separation programs/other	9		3		11		57		1		—
Settlements and curtailments	1		20		—		1		—		—
Net periodic benefit cost/(income)	$	(237)	$	212	$	(4)	$	138	$	46	$	64
	First Nine Months
	Pension Benefits
	U.S. Plans				Non-U.S. Plans				Worldwide OPEB
	2022		2023		2022		2023		2022		2023
Service cost	$	375	$	221	$	319	$	184	$	31	$	16
Interest cost	790		1,226		390		724		110		173
Expected return on assets	(1,927)		(1,440)		(772)		(669)		—		—
Amortization of prior service costs/(credits)	1		—		18		17		(2)		3
Net remeasurement (gain)/loss	7		370		16		1		—		—
Separation programs/other	20		15		28		118		—		—
Settlements and curtailments	1		65		—		2		—		—
Net periodic benefit cost/(income)	$	(733)	$	457	$	(1)	$	377	$	139	$	192