Operating Segments (Tables)

3 Months Ended

Mar. 31, 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 March 31, 2018
Total revenue from external customers	$	563	$	1,860	$	1,222	$	(207	)	$	28		$	3,466
Intersegment revenue		6		2		6		175			(189	)		—
Total operating revenue		569		1,862		1,228		(32	)		(161	)		3,466
Net income (loss) attributable to Dominion Energy		156		348		327		(328	)		—			503
Three Months Ended March 31, 2017
Total revenue from external customers	$	554	$	1,653	$	901	$	3		$	273		$	3,384
Intersegment revenue		5		3		266		152			(426	)		—
Total operating revenue		559		1,656		1,167		155			(153	)		3,384
Net income (loss) attributable to Dominion Energy		125		261		263		(17	)		—			632

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 March 31, 2018
Operating revenue	$	563	$	1,400	$	(215	)	$	1,748
Net income (loss)		154		222		(192	)		184
Three Months Ended March 31, 2017
Operating revenue	$	557	$	1,274	$	—		$	1,831
Net income		125		223		8			356

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 March 31, 2018
Operating revenue	$	526	$	—		$	526
Net income (loss)		167		(1	)		166
Three Months Ended March 31, 2017
Operating revenue	$	490	$	—		$	490
Net income (loss)		109		(1	)		108