Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 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 (expense) 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 June 30,
Service cost	$	35		$	42		$	5		$	6
Interest cost		84			79			12			12
Expected return on plan assets		(223	)		(208	)		(48	)		(43	)
Amortization of prior service cost (credit)		—			—			(9	)		(11	)
Amortization of net actuarial loss		40			49			(1	)		1
Settlements (1)		—			7			—			—
Net periodic benefit (credit) cost	$	(64	)	$	(31	)	$	(41	)	$	(35	)
Six Months Ended June 30,
Service cost	$	71		$	84		$	11		$	12
Interest cost		167			158			23			24
Expected return on plan assets		(446	)		(416	)		(96	)		(87	)
Amortization of prior service (credit) cost		—			—			(19	)		(21	)
Amortization of net actuarial loss		80			97			(1	)		2
Settlements (1)		—			5			—			—
Net periodic benefit (credit) cost	$	(128	)	$	(72	)	$	(82	)	$	(70	)

(1)   2021 amounts relate primarily to the Dominion Energy executive nonqualified pension plan.