Pension Plans and Other Post Employment Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2023

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended June 30,				Six Months Ended June 30,
(In millions)	2023		2022		2023		2022
Defined Benefit Pension Plans:
Service cost	$	5	$	5	$	10	$	9
Interest cost	173		109		347		217
Expected return on plan assets	(151)		(190)		(303)		(380)
Amortization of unrecognized (gain) loss	—		1		—		2
Amortization of prior service (benefit) cost	(1)		(1)		(2)		(2)
Settlement loss	—		2		—		2
Net periodic benefit (credit) cost	$	26	$	(74)	$	52	$	(152)
Other Post Employment Benefits:
Service cost	$	—	$	1	$	—	$	1
Interest cost	12		6		24		13
Amortization of unrecognized (gain) loss	(3)		1		(5)		1
Amortization of prior service (benefit) cost	—		(1)		—		(1)
Net periodic benefit (credit) cost	$	9	$	7	$	19	$	14