Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2020

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

Net Periodic Benefit Cost (Credit)

The service cost component and non-service cost components of net periodic benefit (credit) cost are reflected in other operations and maintenance expense and other income, respectively, in the 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
	2020			2019			2020			2019
(millions)
Three Months Ended June 30,
Service cost	$	43		$	40		$	7		$	6
Interest cost		90			98			15			17
Expected return on plan assets		(192	)		(176	)		(39	)		(35	)
Amortization of prior service cost (credit)		1			1			(13	)		(13	)
Amortization of net actuarial loss		48			43			2			3
Settlement and curtailment(1)		2			71			—			42
Net periodic benefit cost (credit)	$	(8	)	$	77		$	(28	)	$	20
Six Months Ended June 30,
Service cost	$	86		$	80		$	14		$	13
Interest cost		181			199			30			34
Expected return on plan assets		(385	)		(353	)		(78	)		(68	)
Amortization of prior service cost (credit)		1			1			(25	)		(26	)
Amortization of net actuarial loss		97			82			3			7
Settlement and curtailment(1)		2			73			—			42
Net periodic benefit cost (credit)	$	(18	)	$	82		$	(56	)	$	2

(1) 2019 amounts relate primarily to a voluntary retirement program.

Dominion Energy Gas Holdings, LLC

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

Net Periodic Benefit Cost (Credit)

The service cost component and non-service cost components of net periodic benefit (credit) cost are reflected in other operations and maintenance expense and other income, respectively, in the Consolidated Statements of Income. The components of Dominion Energy Gas’ provision for net periodic benefit cost (credit) for employees represented by collective bargaining units are as follows:

	Pension Benefits						Other Postretirement Benefits
	2020			2019			2020			2019
(millions)
Three Months Ended June 30,
Service cost	$	2		$	4		$	—		$	1
Interest cost		2			8			1			2
Expected return on plan assets		(14	)		(39	)		(5	)		(7	)
Amortization of prior service credit		—			—			(1	)		(1	)
Amortization of net actuarial loss		2			5			1			1
Curtailment(1)		—			1			—			1
Net periodic benefit credit	$	(8	)	$	(21	)	$	(4	)	$	(3	)
Six Months Ended June 30,
Service cost	$	3		$	8		$	1		$	2
Interest cost		5			16			2			5
Expected return on plan assets		(28	)		(78	)		(10	)		(14	)
Amortization of prior service credit		—			—			(2	)		(2	)
Amortization of net actuarial loss		4			10			1			2
Curtailment(1)		—			1			—			1
Net periodic benefit credit	$	(16	)	$	(43	)	$	(8	)	$	(6	)

(1) 2019 amounts relate to a voluntary retirement program.