Pension Plans and Other Post Employment Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2025

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended June 30,				Six Months Ended June 30,
(In millions)	2025		2024		2025		2024
Defined Benefit Pension Plans:
Service cost	$	3	$	4	$	7	$	9
Interest cost	156		163		313		326
Expected return on plan assets	(155)		(133)		(310)		(266)
Amortization of prior service (benefit) cost	(1)		(1)		(2)		(2)
Net periodic benefit (credit) cost	$	3	$	33	$	8	$	67
Other Post Employment Benefits:
Interest cost	$	10	$	10	$	20	$	20
Amortization of unrecognized (gain) loss	(4)		(3)		(9)		(6)
Net periodic benefit (credit) cost	$	6	$	7	$	11	$	14