Operating Segments (Tables)

9 Months Ended

Sep. 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 September 30, 2018
Total revenue from external customers	$	596	$	2,021	$	836	$	—		$	(2	)	$	3,451
Intersegment revenue		5		3		7		160			(175	)		—
Total operating revenue		601		2,024		843		160			(177	)		3,451
Net income attributable to Dominion Energy		163		414		264		13			—			854
Three Months Ended September 30, 2017
Total revenue from external customers	$	580	$	1,931	$	459	$	3		$	206		$	3,179
Intersegment revenue		4		3		204		150			(361	)		—
Total operating revenue		584		1,934		663		153			(155	)		3,179
Net income (loss) attributable to Dominion Energy		138		369		187		(29	)		—			665
Nine Months Ended September 30, 2018
Total revenue from external customers	$	1,687	$	5,516	$	2,972	$	(210	)	$	40		$	10,005
Intersegment revenue		17		8		21		505			(551	)		—
Total operating revenue		1,704		5,524		2,993		295			(511	)		10,005
Net income (loss) attributable to Dominion Energy		464		1,038		840		(536	)		—			1,806
Nine Months Ended September 30, 2017
Total revenue from external customers	$	1,664	$	5,091	$	1,949	$	12		$	660		$	9,376
Intersegment revenue		16		8		645		451			(1,120	)		—
Total operating revenue		1,680		5,099		2,594		463			(460	)		9,376
Net income (loss) attributable to Dominion Energy		390		870		613		(186	)		—			1,687

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 September 30, 2018
Operating revenue	$	595	$	1,637	$	—		$	2,232
Net income		163		347		10			520
Three Months Ended September 30, 2017
Operating revenue	$	580	$	1,574	$	—		$	2,154
Net income		137		314		8			459
Nine Months Ended September 30, 2018
Operating revenue	$	1,686	$	4,338	$	(215	)	$	5,809
Net income (loss)		462		796		(215	)		1,043
Nine Months Ended September 30, 2017
Operating revenue	$	1,670	$	4,062	$	—		$	5,732
Net income		387		735		11			1,133

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 September 30, 2018
Operating revenue	$	423	$	—		$	423
Net income (loss)		146		(10	)		136
Three Months Ended September 30, 2017
Operating revenue	$	401	$	—		$	401
Net income (loss)		121		(4	)		117
Nine Months Ended September 30, 2018
Operating revenue	$	1,408	$	—		$	1,408
Net income (loss)		421		(104	)		317
Nine Months Ended September 30, 2017
Operating revenue	$	1,313	$	—		$	1,313
Net income (loss)		318		(16	)		302