Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2019

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
	2019			2018			2019			2018
(millions)
Three Months Ended September 30,
Service cost	$	41		$	39		$	7		$	7
Interest cost		97			85			17			14
Expected return on plan assets		(177	)		(165	)		(37	)		(36	)
Amortization of prior service credit		—			—			(13	)		(13	)
Amortization of net actuarial loss		42			48			2			3
Settlements(1)		2			—			—			—
Net periodic benefit cost (credit)	$	5		$	7		$	(24	)	$	(25	)
Nine Months Ended September 30,
Service cost	$	121		$	118		$	20		$	20
Interest cost		296			253			51			42
Expected return on plan assets		(530	)		(498	)		(105	)		(107	)
Amortization of prior service cost (credit)		1			1			(39	)		(39	)
Amortization of net actuarial loss		124			145			9			8
Settlements and curtailment(1)		75			—			42			—
Net periodic benefit cost (credit)	$	87		$	19		$	(22	)	$	(76	)

(1) Primarily related 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 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
	2019			2018			2019			2018
(millions)
Three Months Ended September 30,
Service cost	$	4		$	4		$	—		$	1
Interest cost		7			7			3			3
Expected return on plan assets		(38	)		(36	)		(6	)		(7	)
Amortization of prior service credit		—			—			(1	)		(1	)
Amortization of net actuarial loss		5			4			—			—
Net periodic benefit credit	$	(22	)	$	(21	)	$	(4	)	$	(4	)
Nine Months Ended September 30,
Service cost	$	12		$	13		$	2		$	3
Interest cost		23			21			8			8
Expected return on plan assets		(116	)		(111	)		(20	)		(21	)
Amortization of prior service credit		—			—			(3	)		(3	)
Amortization of net actuarial loss		15			14			2			2
Curtailment(1)		1			—			1			—
Net periodic benefit credit	$	(65	)	$	(63	)	$	(10	)	$	(11	)

(1) Related to a voluntary retirement program.