Pension and Postretirement Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2024

Retirement Benefits [Abstract]

Schedule 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, 2024 and 2023 follow:

	Three months ended March 31,
	Qualified and Non-qualified Pension Benefits								Postretirement Benefits
	United States				International
(Millions)	2024		2023		2024		2023		2024		2023
Net periodic benefit cost (benefit)
Operating expense
Service cost	$	37	$	43	$	21	$	19	$	7	$	6
Non-operating expense
Interest cost	160		166		54		55		22		22
Expected return on plan assets	(237)		(244)		(87)		(75)		(19)		(19)
Amortization of transition asset	—		—		1		—		—		—
Amortization of prior service benefit	(4)		(6)		1		1		(6)		(8)
Amortization of net actuarial loss	95		73		3		2		6		2
Total non-operating expense (benefit)	14		(11)		(28)		(17)		3		(3)
Total net periodic benefit cost (benefit)	$	51	$	32	$	(7)	$	2	$	10	$	3