Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2020

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Net Periodic Benefit Cost (Credit)

The components of Dominion Energy’s provision for net periodic benefit cost (credit) were as follows:

	Pension Benefits						Other Postretirement Benefits
	2020			2019			2020			2019
(millions)
Three Months Ended March 31,
Service cost	$	43		$	40		$	7		$	7
Interest cost		91			101			15			17
Expected return on plan assets		(193	)		(177	)		(39	)		(33	)
Amortization of prior service credit		—			—			(12	)		(13	)
Amortization of net actuarial loss		49			39			1			4
Settlements		—			2			—			—
Net periodic benefit cost (credit)	$	(10	)	$	5		$	(28	)	$	(18	)

Dominion Energy Gas Holdings, LLC

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Net Periodic Benefit Cost (Credit)

The components of Dominion Energy Gas’ provision for net periodic benefit cost (credit) for employees represented by collective bargaining units were as follows:

	Pension Benefits						Other Postretirement Benefits
	2020			2019			2020			2019
(millions)
Three Months Ended March 31,
Service cost	$	1		$	4		$	1		$	1
Interest cost		3			8			1			3
Expected return on plan assets		(14	)		(39	)		(5	)		(7	)
Amortization of prior service credit		—			—			(1	)		(1	)
Amortization of net actuarial loss		2			5			—			1
Net periodic benefit credit	$	(8	)	$	(22	)	$	(4	)	$	(3	)