Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2022

Retirement Benefits [Abstract]

Net Periodic (Benefit) Cost Components

The following tables present the components of net periodic (benefit) cost for the defined benefit plans:

	Pension Benefits
	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2022		2021		2022		2021
(In millions)
Service cost					$	1	$	1
Interest cost	$	18	$	18	37		36
Expected return on plan assets	(40)		(43)		(83)		(86)
Amortization of unrecognized net loss	8		13		16		25
Settlements	1		2		2		2
Regulatory asset decrease	1				2
Net periodic benefit	$	(12)	$	(10)	$	(25)	$	(22)

	Other Postretirement Benefits
	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2022		2021		2022		2021
(In millions)
Interest cost	$	1	$	1	$	1	$	1
Expected return on plan assets	(1)				(1)		(1)
Net periodic benefit	$	—	$	1	$	—	$	—