Pension Plans and Other Post Employment Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2024

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended March 31,
(In millions)	2024		2023
Defined Benefit Pension Plans:
Service cost	$	5	$	5
Interest cost	163		174
Expected return on plan assets	(133)		(152)
Amortization of prior service (benefit) cost	(1)		(1)
Net periodic benefit (credit) cost	$	34	$	26
Other Post Employment Benefits:
Interest cost	$	10	$	12
Amortization of unrecognized (gain) loss	(3)		(2)
Net periodic benefit (credit) cost	$	7	$	10