Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2019

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

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 June 30,
Service cost	$	40		$	40		$	6		$	6
Interest cost		98			84			17			14
Expected return on plan assets		(176	)		(168	)		(35	)		(35	)
Amortization of prior service cost (credit)		1			1			(13	)		(13	)
Amortization of net actuarial loss		43			49			3			2
Curtailment⁽¹⁾		71			—			42			—
Net periodic benefit cost (credit)	$	77		$	6		$	20		$	(26	)
Six Months Ended June 30,
Service cost	$	80		$	79		$	13		$	13
Interest cost		199			168			34			28
Expected return on plan assets		(353	)		(333	)		(68	)		(71	)
Amortization of prior service cost (credit)		1			1			(26	)		(26	)
Amortization of net actuarial loss		82			97			7			5
Settlements and curtailment⁽¹⁾		73			—			42			—
Net periodic benefit cost (credit)	$	82		$	12		$	2		$	(51	)

(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 June 30,
Service cost	$	4		$	5		$	1		$	1
Interest cost		8			7			2			2
Expected return on plan assets		(39	)		(38	)		(7	)		(6	)
Amortization of prior service credit		—			—			(1	)		(1	)
Amortization of net actuarial loss		5			5			1			1
Curtailment⁽¹⁾		1			—			1			—
Net periodic benefit credit	$	(21	)	$	(21	)	$	(3	)	$	(3	)
Six Months Ended June 30,
Service cost	$	8		$	9		$	2		$	2
Interest cost		16			14			5			5
Expected return on plan assets		(78	)		(75	)		(14	)		(14	)
Amortization of prior service credit		—			—			(2	)		(2	)
Amortization of net actuarial loss		10			10			2			2
Curtailment⁽¹⁾		1			—			1			—
Net periodic benefit credit	$	(43	)	$	(42	)	$	(6	)	$	(7	)

(1)	Related to a voluntary retirement program.