Consolidated Statements of Equity (Unaudited) - USD ($) $ in Millions	Total		Virginia Electric and Power Company		Dominion Energy Gas Holdings, LLC		Common Stock	Common Stock Virginia Electric and Power Company	Retained Earnings	Retained Earnings Virginia Electric and Power Company	AOCI	AOCI Virginia Electric and Power Company	AOCI Dominion Energy Gas Holdings, LLC	Total Common Shareholders' Equity	Noncontrolling Interests	Other Paid-In Capital Virginia Electric and Power Company	Member Units Dominion Energy Gas Holdings, LLC
Beginning balance at Dec. 31, 2016	$ 16,840						$ 8,550		$ 6,854		$ (799)			$ 14,605	$ 2,235
Beginning balance (in shares) at Dec. 31, 2016							628,000,000
Cumulative-effect of changes in accounting principles													$ 0
Net income including noncontrolling interests	674								632					632	42
Contributions from NRG to Four Brothers and Three Cedars	6														6
Issuance of common stock	79						$ 79							79
Issuance of common stock (in shares)			0				1,000,000
Dividends and distributions	(493)								(474)					(474)	(19)
Other comprehensive income, net of tax	64		$ 4		$ 2						64			64
Other	11								11					11
Ending balance at Mar. 31, 2017	17,181						$ 8,629		7,023		(735)			14,917	2,264
Ending balance (in shares) at Mar. 31, 2017							629,000,000
Beginning balance at Dec. 31, 2016											(799)	$ 46	(123)
Ending balance at Mar. 31, 2017											(735)	50	(121)
Beginning balance at Dec. 31, 2017	19,370	[1]			4,163	[2]	$ 9,865		7,936		(659)		(98)	17,142	2,228		$ 4,261
Beginning balance (in shares) at Dec. 31, 2017							645,000,000	275,000
Cumulative-effect of changes in accounting principles	6		3		3		$ (127)		1,029	$ 79	(1,023)	(76)	(26)	(121)	127		29
Net income including noncontrolling interests	526		$ 184		166				503	184				503	23		166
Issuance of common stock	580						$ 580							580
Issuance of common stock (in shares)			0				8,000,000
Noncontrolling Interest Increase From Sale Of Parent Equity Interest	4														4
Stock awards (net of change in unearned compensation)	3						$ 3							3
Dividends and distributions	(575)		$ (154)						(544)	(154)				(544)	(31)
Distribution					(13)												(13)
Other comprehensive income, net of tax	132		5		11						131	5	11	131	1
Other	(4)						(5)							(5)	1
Ending balance at Mar. 31, 2018	20,042				$ 4,330		$ 10,316		$ 8,924		(1,551)		(113)	$ 17,689	$ 2,353		$ 4,443
Ending balance (in shares) at Mar. 31, 2018							653,000,000	275,000
Beginning balance at Dec. 31, 2017	17,142	[1]	12,224	[3]				$ 5,738		5,311	(659)	62	(98)			$ 1,113
Ending balance at Mar. 31, 2018	$ 17,689		$ 12,262					$ 5,738		$ 5,420	$ (1,551)	$ (9)	$ (113)			$ 1,113

[1] Dominion Energy’s Consolidated Balance Sheet at December 31, 2017 has been derived from the audited Consolidated Balance Sheet at that date.

[2] Dominion Energy Gas’ Consolidated Balance Sheet at December 31, 2017 has been derived from the audited Consolidated Balance Sheet at that date.

[3] Virginia Power’s Consolidated Balance Sheet at December 31, 2017 has been derived from the audited Consolidated Balance Sheet at that date.