Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2022

Compensation And Retirement Disclosure [Abstract]

Net Periodic Benefit Cost (Credit)

The service cost component of net periodic benefit (credit) cost is reflected in other operations and maintenance expense in Dominion Energy’s Consolidated Statements of Income. The non-service cost components of net periodic benefit (credit) cost are reflected in other income in Dominion Energy’s Consolidated Statements of Income. The components of Dominion Energy’s provision for net periodic benefit cost (credit) are as follows:

	Pension Benefits						Other Postretirement Benefits
	2022			2021			2022			2021
(millions)
Three Months Ended March 31,
Service cost	$	36		$	42		$	6		$	6
Interest cost		83			79			11			12
Expected return on plan assets		(223	)		(208	)		(48	)		(44	)
Amortization of prior service (credit) cost		—			—			(10	)		(10	)
Amortization of net actuarial loss		40			48			—			1
Settlements		—			(2	)		—			—
Net periodic benefit (credit) cost	$	(64	)	$	(41	)	$	(41	)	$	(35	)