Operating Segments (Tables)

6 Months Ended

Jun. 30, 2018

Segment Reporting Information [Line Items]

Segment Reporting Disclosure Other Information

A description of the operations included in the Companies’ primary operating segments is as follows:

Primary Operating Segment	Description of Operations	Dominion Energy	Virginia Power	Dominion Energy Gas
Power Delivery	Regulated electric distribution	X	X
	Regulated electric transmission	X	X
Power Generation	Regulated electric fleet	X	X
	Merchant electric fleet	X
Gas Infrastructure	Gas transmission and storage	X		X
	Gas distribution and storage	X		X
	Gas gathering and processing	X		X
	LNG terminalling and storage	X
	Nonregulated retail energy marketing	X

Schedule of Segment Reporting Information, by Segment

The following table presents segment information pertaining to Dominion Energy’s operations:

	Power Delivery		Power Generation		Gas Infrastructure		Corporate and Other			Adjustments/ Eliminations			Consolidated Total
(millions)
Three Months Ended June 30, 2018
Total revenue from external customers	$	528	$	1,635	$	914	$	(3	)	$	14		$	3,088
Intersegment revenue		6		3		8		170			(187	)		—
Total operating revenue		534		1,638		922		167			(173	)		3,088
Net income (loss) attributable to Dominion Energy		145		276		249		(221	)		—			449
Three Months Ended June 30, 2017
Total revenue from external customers	$	530	$	1,507	$	589	$	6		$	181		$	2,813
Intersegment revenue		7		2		175		149			(333	)		—
Total operating revenue		537		1,509		764		155			(152	)		2,813
Net income (loss) attributable to Dominion Energy		127		240		163		(140	)		—			390
Six Months Ended June 30, 2018
Total revenue from external customers	$	1,091	$	3,495	$	2,136	$	(210	)	$	42		$	6,554
Intersegment revenue		12		5		14		345			(376	)		—
Total operating revenue		1,103		3,500		2,150		135			(334	)		6,554
Net income (loss) attributable to Dominion Energy		301		624		576		(549	)		—			952
Six Months Ended June 30, 2017
Total revenue from external customers	$	1,084	$	3,160	$	1,490	$	9		$	454		$	6,197
Intersegment revenue		12		5		441		301			(759	)		—
Total operating revenue		1,096		3,165		1,931		310			(305	)		6,197
Net income (loss) attributable to Dominion Energy		252		501		426		(157	)		—			1,022

Virginia Electric and Power Company

Segment Reporting Information [Line Items]

Schedule of Segment Reporting Information, by Segment

The following table presents segment information pertaining to Virginia Power’s operations:

	Power Delivery		Power Generation		Corporate and Other			Consolidated Total
(millions)
Three Months Ended June 30, 2018
Operating revenue	$	528	$	1,301	$	—		$	1,829
Net income (loss)		145		227		(33	)		339
Three Months Ended June 30, 2017
Operating revenue	$	533	$	1,214	$	—		$	1,747
Net income (loss)		125		198		(5	)		318
Six Months Ended June 30, 2018
Operating revenue	$	1,091	$	2,701	$	(215	)	$	3,577
Net income (loss)		299		449		(225	)		523
Six Months Ended June 30, 2017
Operating revenue	$	1,090	$	2,488	$	—		$	3,578
Net income		250		421		3			674

Dominion Energy Gas Holdings, LLC

Segment Reporting Information [Line Items]

Schedule of Segment Reporting Information, by Segment

The following table presents segment information pertaining to Dominion Energy Gas’ operations:

	Gas Infrastructure		Corporateand Other			Consolidated Total
(millions)
Three Months Ended June 30, 2018
Operating revenue	$	459	$	—		$	459
Net income (loss)		108		(93	)		15
Three Months Ended June 30, 2017
Operating revenue	$	422	$	—		$	422
Net income (loss)		88		(11	)		77
Six Months Ended June 30, 2018
Operating revenue	$	985	$	—		$	985
Net income (loss)		275		(94	)		181
Six Months Ended June 30, 2017
Operating revenue	$	912	$	—		$	912
Net income (loss)		197		(12	)		185