Pension Plans and Other Post Employment Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2023

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended September 30,				Nine Months Ended September 30,
(In millions)	2023		2022		2023		2022
Defined Benefit Pension Plans:
Service cost	$	3	$	5	$	13	$	14
Interest cost	171		126		518		343
Expected return on plan assets	(151)		(180)		(454)		(560)
Amortization of unrecognized (gain) loss	—		—		—		2
Amortization of prior service (benefit) cost	—		—		(2)		(2)
Settlement loss	1		25		1		27
Net periodic benefit (credit) cost	$	24	$	(24)	$	76	$	(176)
Other Post Employment Benefits:
Service cost	$	1	$	—	$	1	$	1
Interest cost	12		6		36		19
Amortization of unrecognized (gain) loss	(2)		1		(7)		2
Amortization of prior service (benefit) cost	(1)		—		(1)		(1)
Net periodic benefit (credit) cost	$	10	$	7	$	29	$	21