Consolidated Statements Equity (USD $) Share data in Millions, unless otherwise specified		Total	IPO	Common Stock	Other Paid-In Capital	Retained Earnings		Accumulated Other Comprehensive Income (Loss)	Total Common Shareholders' Equity	Total Common Shareholders' Equity IPO	Noncontrolling Interests	Noncontrolling Interests IPO	Virginia Electric and Power Company	Virginia Electric and Power Company Common Stock	Virginia Electric and Power Company Other Paid-In Capital	Virginia Electric and Power Company Retained Earnings	Virginia Electric and Power Company Accumulated Other Comprehensive Income (Loss)	Dominion Gas Holdings, LLC	Dominion Gas Holdings, LLC Membership Interests	Dominion Gas Holdings, LLC Accumulated Other Comprehensive Income (Loss)
Beginning Balance, value at Dec. 31, 2011																		$ 2,996,000,000	$ 3,167,000,000	$ (171,000,000)
Beginning Balance, value at Dec. 31, 2011		11,503,000,000		5,180,000,000	179,000,000	6,697,000,000		(610,000,000)	11,446,000,000		57,000,000		8,750,000,000	5,738,000,000	1,111,000,000	1,882,000,000	19,000,000
Beginning Balance (in shares) at Dec. 31, 2011				570										275
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income including noncontrolling interests		329,000,000				318,000,000			318,000,000		11,000,000
Net income attributable to Dominion		302,000,000											1,050,000,000			1,050,000,000		459,000,000	459,000,000
Distributions																		(210,000,000)	(210,000,000)
Issuance of stock-employee and direct stock purchase plans (in shares)				4
Issuance of stock-employee and direct stock purchase plans		246,000,000		246,000,000					246,000,000
Stock awards and stock options exercised (net of change in unearned compensation) (in shares)				(1)
Stock awards and stock options exercised (net of change in unearned compensation), value		26,000,000		26,000,000					26,000,000
Other stock issuances (in shares)	[1]			1
Other stock issuances, value	[1]	14,000,000		41,000,000	(27,000,000)				14,000,000
Tax benefit from stock awards and stock options exercised		10,000,000			10,000,000				10,000,000				2,000,000		2,000,000
Dividends		(1,236,000,000)				(1,225,000,000)	[2]		(1,225,000,000)		(11,000,000)		(575,000,000)			(575,000,000)
Other comprehensive income, net of tax		(267,000,000)						(267,000,000)	(267,000,000)				6,000,000				6,000,000	31,000,000		31,000,000
Beginning Balance, value at Dec. 31, 2012		10,625,000,000		5,493,000,000	162,000,000	5,790,000,000		(877,000,000)	10,568,000,000		57,000,000		9,233,000,000	5,738,000,000	1,113,000,000	2,357,000,000	25,000,000
Beginning Balance, value at Dec. 31, 2012																		3,276,000,000	3,416,000,000	(140,000,000)
Ending Balance (shares) at Dec. 31, 2012				576										275
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income including noncontrolling interests		502,000,000
Net income attributable to Dominion		495,000,000											287,000,000					138,000,000
Beginning Balance, value at Mar. 31, 2013
Beginning Balance, value at Dec. 31, 2012																		3,276,000,000	3,416,000,000	(140,000,000)
Beginning Balance, value at Dec. 31, 2012		10,625,000,000		5,493,000,000	162,000,000	5,790,000,000		(877,000,000)	10,568,000,000		57,000,000		9,233,000,000	5,738,000,000		2,357,000,000	25,000,000
Beginning Balance (in shares) at Dec. 31, 2012				576										275
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income including noncontrolling interests		1,720,000,000				1,714,000,000			1,714,000,000		6,000,000
Net income attributable to Dominion		1,697,000,000											1,138,000,000			1,138,000,000		461,000,000	461,000,000
Equity contribution from parent																		6,000,000	6,000,000
Distributions																		(398,000,000)	(398,000,000)
Issuance of stock-employee and direct stock purchase plans (in shares)				4
Issuance of stock-employee and direct stock purchase plans		278,000,000		278,000,000					278,000,000
Stock awards and stock options exercised (net of change in unearned compensation) (in shares)
Stock awards and stock options exercised (net of change in unearned compensation), value		12,000,000		12,000,000					12,000,000
Other stock issuances (in shares)	[3]			1
Other stock issuances, value	[3]	7,000,000		15,000,000	(8,000,000)				7,000,000
Present value of stock purchase contract payments related to RSNs	[4]	(156,000,000)			(154,000,000)	(2,000,000)			(156,000,000)
Fairless lease buyout	[5]	(72,000,000)		(15,000,000)					(15,000,000)		(57,000,000)
Dividends		(1,325,000,000)				(1,319,000,000)	[2]		(1,319,000,000)		(6,000,000)		(596,000,000)			(596,000,000)
Other comprehensive income, net of tax		553,000,000						553,000,000	553,000,000				23,000,000				23,000,000	82,000,000		82,000,000
Beginning Balance, value at Dec. 31, 2013		11,642,000,000		5,783,000,000	0	6,183,000,000		(324,000,000)	11,642,000,000		0		9,798,000,000	5,738,000,000	1,113,000,000	2,899,000,000	48,000,000
Beginning Balance, value at Dec. 31, 2013																		3,427,000,000	3,485,000,000	(58,000,000)
Ending Balance (shares) at Dec. 31, 2013				581										275
Beginning Balance, value at Sep. 30, 2013
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income including noncontrolling interests		435,000,000
Net income attributable to Dominion		431,000,000											199,000,000					140,000,000
Beginning Balance, value at Dec. 31, 2013		11,642,000,000											9,798,000,000	5,738,000,000	1,113,000,000
Beginning Balance, value at Dec. 31, 2013																		3,427,000,000
Ending Balance (shares) at Dec. 31, 2013														275
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income including noncontrolling interests		385,000,000
Net income attributable to Dominion		379,000,000											324,000,000					164,000,000
Beginning Balance, value at Mar. 31, 2014
Beginning Balance, value at Dec. 31, 2013																		3,427,000,000	3,485,000,000	(58,000,000)
Beginning Balance, value at Dec. 31, 2013		11,642,000,000		5,783,000,000		6,183,000,000		(324,000,000)	11,642,000,000		0		9,798,000,000	5,738,000,000	1,113,000,000	2,899,000,000	48,000,000
Beginning Balance (in shares) at Dec. 31, 2013				581										275
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income including noncontrolling interests		1,326,000,000				1,323,000,000			1,323,000,000		3,000,000
Issuance of Dominion Midstream common units, net of offering costs			392,000,000							0		392,000,000
Net income attributable to Dominion		1,310,000,000											858,000,000			858,000,000		512,000,000	512,000,000
Equity contribution from parent																		1,000,000	1,000,000
Distributions																		(346,000,000)	(346,000,000)
Issuance of stock-employee and direct stock purchase plans (in shares)				3
Issuance of stock-employee and direct stock purchase plans		205,000,000		205,000,000					205,000,000
Stock awards and stock options exercised (net of change in unearned compensation), value		14,000,000		14,000,000					14,000,000
Other stock issuances (in shares)	[1]			1
Other stock issuances, value	[1]	14,000,000		14,000,000					14,000,000
Present value of stock purchase contract payments related to RSNs	[4]	(143,000,000)		(143,000,000)					(143,000,000)
Dividends		(1,411,000,000)				(1,411,000,000)	[2]		(1,411,000,000)				(603,000,000)			(603,000,000)
Other comprehensive income, net of tax		(92,000,000)						(92,000,000)	(92,000,000)				2,000,000				2,000,000	(28,000,000)		(28,000,000)
Other		10,000,000		3,000,000					3,000,000		7,000,000
Beginning Balance, value at Dec. 31, 2014		11,957,000,000		5,876,000,000	0	6,095,000,000		(416,000,000)	11,555,000,000		402,000,000		10,055,000,000	5,738,000,000	1,113,000,000	3,154,000,000	50,000,000
Beginning Balance, value at Dec. 31, 2014																		3,566,000,000	3,652,000,000	(86,000,000)
Ending Balance (shares) at Dec. 31, 2014				585										275
Beginning Balance, value at Sep. 30, 2014
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income including noncontrolling interests		249,000,000
Net income attributable to Dominion		243,000,000											151,000,000					148,000,000
Beginning Balance, value at Dec. 31, 2014		11,957,000,000			0								10,055,000,000	5,738,000,000	1,113,000,000
Beginning Balance, value at Dec. 31, 2014																		$ 3,566,000,000
Ending Balance (shares) at Dec. 31, 2014														275

[1] Contains shares issued in excess of principal amounts related to converted securities. See Note 17 for further information on convertible securities.

[2] Includes subsidiary preferred dividends related to noncontrolling interests of $13 million, $17 million and $16 million in 2014 and 2013 and 2012, respectively

[3] Primarily includes $28 million in shares issued in excess of principal amounts related to converted securities, net of reclassification from other paid-in capital. See Note 17 for further information on convertible securities.

[4] See Note 17 for further information.

[5] See Note 15 for further information.