Defined Benefit Postretirement Plans (Tables)

9 Months Ended

Sep. 30, 2022

Retirement Benefits [Abstract]

Schedule of Net Periodic Benefit Cost

The following summarizes the components of net periodic benefit costs (credits):

	Three Months Ended September 30,
	Pension Benefits				Other Benefits
(In millions)	2022		2021		2022		2021
Service cost	$	4	$	4	$	—	$	—
Interest cost	1		2		1		—
Expected return on plan assets	(2)		(2)		—		—
Amortization:
– prior service credit	(1)		(1)		(4)		(4)
– actuarial loss	—		1		—		1
Net settlement loss(a)	—		3		—		—
Net periodic benefit costs (credits)(b)	$	2	$	7	$	(3)	$	(3)

	Nine Months Ended September 30,
	Pension Benefits				Other Benefits
(In millions)	2022		2021		2022		2021
Service cost	$	11	$	12	$	—	$	—
Interest cost	5		6		2		1
Expected return on plan assets	(7)		(6)		—		—
Amortization:
– prior service credit	(4)		(4)		(12)		(12)
– actuarial loss	1		4		1		2
Net settlement loss(a)	—		8		—		—
Net periodic benefit costs (credits)(b)	$	6	$	20	$	(9)	$	(9)

(a)Settlements are recognized as they occur, once it is probable that lump sum payments from a plan for a given year will exceed the plan’s total service and interest cost for that year.

(b)Net periodic benefit costs (credits) reflects a calculated market-related value of plan assets which recognizes changes in fair value over three years.