Consolidated Statement of Equity (Unaudited) - USD ($) shares in Millions, $ in Millions	Total		Common Stock	Retained Earnings	AOCI	Total Common Shareholders' Equity	Noncontrolling Interests
Beginning balance at Dec. 31, 2015	$ 13,602		$ 6,680	$ 6,458	$ (474)	$ 12,664	$ 938
Beginning balance (in shares) at Dec. 31, 2015			596
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income including noncontrolling interests	993			976		976	17
Contributions from SunEdison and NRG to Four Brothers and Three Cedars	162						162
Sale of interest in merchant solar projects	139		$ 22			22	117
Purchase of Dominion Energy Midstream common units	(13)		(2)			(2)	(11)
Issuance of common stock	1,458		$ 1,458			1,458
Issuance of common stock (in shares)			21
Stock awards (net of change in unearned compensation)	6		$ 6			6
Dividends and distributions	(872)			(849)		(849)	(23)
Other comprehensive income (loss), net of tax	(19)				(19)	(19)
Other	(4)		(4)			(4)
Ending balance at Jun. 30, 2016	15,452		$ 8,160	6,585	(493)	14,252	1,200
Ending balance (in shares) at Jun. 30, 2016			617
Beginning balance at Dec. 31, 2016	16,840	[1]	$ 8,550	6,854	(799)	14,605	2,235
Beginning balance (in shares) at Dec. 31, 2016			628
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income including noncontrolling interests	1,091			1,022		1,022	69
Contributions from SunEdison and NRG to Four Brothers and Three Cedars	9						9
Issuance of common stock	156		$ 156			156
Issuance of common stock (in shares)			2
Stock awards (net of change in unearned compensation)	11		$ 11			11
Dividends and distributions	(1,031)			(949)		(949)	(82)
Other comprehensive income (loss), net of tax	117				117	117
Other	12			11		11	1
Ending balance at Jun. 30, 2017	$ 17,205		$ 8,717	$ 6,938	$ (682)	$ 14,973	$ 2,232
Ending balance (in shares) at Jun. 30, 2017			630

[1] Dominion Energy’s Consolidated Balance Sheet at December 31, 2016 has been derived from the audited Consolidated Balance Sheet at that date.