Operating Segment (Schedule of Segment Reporting Information, by Segment) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended										12 Months Ended
	Dec. 31, 2013		Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012		Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Segment Reporting Information [Line Items]
Operating Revenue	$ 3,185	[1]	$ 3,432	$ 2,980	$ 3,523	$ 3,101		$ 3,332	$ 3,005	$ 3,397	$ 13,120		$ 12,835	[2]	$ 13,765	[2]
Total operating revenue											13,120		12,835		13,765
Depreciation, depletion and amortization											1,208		1,127		1,018
Equity in earnings of equity method investees											14		25		35
Interest income											54		61		67
Interest and related charges											877		816		796
Income tax expense											892	[3]	811	[2],[3]	778	[2],[3]
Loss from discontinued operations, net of tax											(92)		(1,125)	[2],[4]	(58)	[2],[4]
Net income (loss) attributable to Dominion	431	[1]	569	202	495	(659)		209	258	494	1,697		302	[2]	1,408	[2]
Investment in equity method affiliates	916					558					916		558
Capital expenditures											4,104		4,145		3,652
Total assets	50,096					46,838					50,096		46,838
Intersegment revenue
Segment Reporting Information [Line Items]
Operating Revenue											0		0		0
DVP
Segment Reporting Information [Line Items]
Operating Revenue											1,825	[5]	1,846	[5]	1,791	[5]
Total operating revenue											1,834	[5]	1,855	[5]	1,854	[5]
Depreciation, depletion and amortization											427	[5]	392	[5]	369	[5]
Equity in earnings of equity method investees											0	[5]	0	[5]	0	[5]
Interest income											0	[5]	1	[5]	10	[5]
Interest and related charges											175	[5]	187	[5]	183	[5]
Income tax expense											287	[5]	278	[5]	264	[5]
Loss from discontinued operations, net of tax											0	[5]	0	[5]	0	[5]
Net income (loss) attributable to Dominion											475	[5]	439	[5]	416	[5]
Investment in equity method affiliates	0	[5]				0	[5]				0	[5]	0	[5]
Capital expenditures											1,361	[5]	1,158	[5]	1,091	[5]
Total assets	11,900	[5]				11,500	[5]				11,900	[5]	11,500	[5]
DVP | Intersegment revenue
Segment Reporting Information [Line Items]
Operating Revenue											9	[5]	9	[5]	63	[5]
Dominion Generation
Segment Reporting Information [Line Items]
Operating Revenue											8,445	[5],[6]	8,170	[5],[6]	8,759	[5],[6]
Total operating revenue											8,513	[5],[6]	8,274	[5],[6]	8,882	[5],[6]
Depreciation, depletion and amortization											518	[5],[6]	483	[5],[6]	413	[5],[6]
Equity in earnings of equity method investees											(14)	[5],[6]	3	[5],[6]	3	[5],[6]
Interest income											66	[5],[6]	65	[5],[6]	65	[5],[6]
Interest and related charges											220	[5],[6]	177	[5],[6]	148	[5],[6]
Income tax expense											483	[5],[6]	576	[5],[6]	655	[5],[6]
Loss from discontinued operations, net of tax											0	[5],[6]	0	[5],[6]	0	[5],[6]
Net income (loss) attributable to Dominion											1,031	[5],[6]	1,021	[5],[6]	1,078	[5],[6]
Investment in equity method affiliates	280	[5],[6]				414	[5],[6]				280	[5],[6]	414	[5],[6]
Capital expenditures											1,605	[5],[6]	1,615	[5],[6]	1,593	[5],[6]
Total assets	22,000	[5],[6]				21,800	[5],[6]				22,000	[5],[6]	21,800	[5],[6]
Dominion Generation | Intersegment revenue
Segment Reporting Information [Line Items]
Operating Revenue											68	[5],[6]	104	[5],[6]	123	[5],[6]
Dominion Energy
Segment Reporting Information [Line Items]
Operating Revenue											1,783		1,813		2,044
Total operating revenue											2,846		2,743		3,121
Depreciation, depletion and amortization											228		216		207
Equity in earnings of equity method investees											21		23		23
Interest income											12		30		27
Interest and related charges											26		47		57
Income tax expense											409		352		323
Loss from discontinued operations, net of tax											0		0		0
Net income (loss) attributable to Dominion											643		551		521
Investment in equity method affiliates	615					141					615		141
Capital expenditures											1,043		1,350		907
Total assets	12,100					11,200					12,100		11,200
Dominion Energy | Intersegment revenue
Segment Reporting Information [Line Items]
Operating Revenue											1,063		930		1,077
Corporate and Other
Segment Reporting Information [Line Items]
Operating Revenue											3	[6]	155	[6]	56	[6]
Total operating revenue											612	[6]	763	[6]	651	[6]
Depreciation, depletion and amortization											35	[6]	36	[6]	29	[6]
Equity in earnings of equity method investees											7	[6]	(1)	[6]	9	[6]
Interest income											42	[6]	71	[6]	71	[6]
Interest and related charges											522	[6]	511	[6]	514	[6]
Income tax expense											(287)	[6]	(395)	[6]	(464)	[6]
Loss from discontinued operations, net of tax											(92)	[6]	(1,125)	[6]	(58)	[6]
Net income (loss) attributable to Dominion											(452)	[6]	(1,709)	[6]	(607)	[6]
Investment in equity method affiliates	21	[6]				3	[6]				21	[6]	3	[6]
Capital expenditures											95	[6]	22	[6]	61	[6]
Total assets	8,500	[6]				12,600	[6]				8,500	[6]	12,600	[6]
Corporate and Other | Intersegment revenue
Segment Reporting Information [Line Items]
Operating Revenue											609	[6]	608	[6]	595	[6]
Adjustments & Eliminations
Segment Reporting Information [Line Items]
Operating Revenue											1,064	[5]	851	[5]	1,115	[5]
Total operating revenue											(685)	[5]	(800)	[5]	(743)	[5]
Depreciation, depletion and amortization											0	[5]	0	[5]	0	[5]
Equity in earnings of equity method investees											0	[5]	0	[5]	0	[5]
Interest income											(66)	[5]	(106)	[5]	(106)	[5]
Interest and related charges											(66)	[5]	(106)	[5]	(106)	[5]
Income tax expense											0	[5]	0	[5]	0	[5]
Loss from discontinued operations, net of tax											0	[5]	0	[5]	0	[5]
Net income (loss) attributable to Dominion											0	[5]	0	[5]	0	[5]
Investment in equity method affiliates	0	[5]				0	[5]				0	[5]	0	[5]
Capital expenditures											0	[5]	0	[5]	0	[5]
Total assets	(4,400)	[5]				(10,300)	[5]				(4,400)	[5]	(10,300)	[5]
Adjustments & Eliminations | Intersegment revenue
Segment Reporting Information [Line Items]
Operating Revenue											(1,749)	[5]	(1,651)	[5]	(1,858)	[5]
Virginia Electric and Power Company
Segment Reporting Information [Line Items]
Operating Revenue	1,745		2,059	1,710	1,781	1,630		2,086	1,756	1,754	7,295		7,226		7,246
Total operating revenue											7,295		7,226		7,246
Depreciation, depletion and amortization											853		782		718
Interest income											6		8		18
Interest and related charges											369		385		331
Income tax expense											659	[7]	653	[7]	540	[7]
Net income (loss) attributable to Dominion	199		387	265	287	220		415	172	243	1,138		1,050		822
Capital expenditures											2,533		2,288		2,090
Total assets	26,961					24,811					26,961		24,811
Virginia Electric and Power Company | DVP
Segment Reporting Information [Line Items]
Total operating revenue											1,826		1,847		1,793
Depreciation, depletion and amortization											427		392		368
Interest income											0		1		10
Interest and related charges											175		186		182
Income tax expense											286		277		265
Net income (loss) attributable to Dominion											483		448		426
Capital expenditures											1,360		1,142		1,081
Total assets	12,000					11,400					12,000		11,400
Virginia Electric and Power Company | Dominion Generation
Segment Reporting Information [Line Items]
Total operating revenue											5,475		5,379		5,546
Depreciation, depletion and amortization											425		390		350
Interest income											6		7		8
Interest and related charges											192		199		199
Income tax expense											399		403		447
Net income (loss) attributable to Dominion											702		653		664
Capital expenditures											1,173		1,146		1,009
Total assets	15,100					14,800					15,100		14,800
Virginia Electric and Power Company | Corporate and Other
Segment Reporting Information [Line Items]
Total operating revenue											(6)		0		(93)
Depreciation, depletion and amortization											1		0		0
Interest income											0		0		0
Interest and related charges											2		0		(50)
Income tax expense											(26)		(27)		(172)
Net income (loss) attributable to Dominion											(47)		(51)		(268)
Capital expenditures											0		0		0
Total assets	0					0					0		0
Virginia Electric and Power Company | Adjustments & Eliminations
Segment Reporting Information [Line Items]
Total operating revenue											0		0		0
Depreciation, depletion and amortization											0		0		0
Interest income											0		0		0
Interest and related charges											0		0		0
Income tax expense											0		0		0
Net income (loss) attributable to Dominion											0		0		0
Capital expenditures											0		0		0
Total assets	$ (100)					$ (1,400)					$ (100)		$ (1,400)

[1] Recast to reflect Brayton Point and Kincaid as discontinued operations as described in Note 3.

[2] Recast to reflect Brayton Point and Kincaid as discontinued operations as described in Note 3 to the Consolidated Financial Statements. EPS amounts reflect the per share impact of the recast of $1.92 and $0.06 for 2012 and 2011, respectively.

[3] In 2012, Dominion’s current federal income tax expense for continuing and discontinued operations includes a $195 million benefit related to a carryback of its 2012 net operating loss. In 2011, Dominion’s deferred federal income tax expense includes the recognition of a $346 million benefit, including $51 million related to discontinued operations, for its 2011 net operating loss expected to be used to reduce taxable income in future years.

[4] Includes income tax benefit of $43 million, $692 million, and $33 million in 2013, 2012 and 2011, respectively. For 2012, includes impairment charges of $1.6 billion related to Brayton Point and Kincaid. See Note 6 for additional information.

[5] Amounts have been recast to reflect nonregulated retail energy marketing operations in the Dominion Generation segment.

[6] Segment information for 2012 and 2011 has been recast to reflect Brayton Point and Kincaid as discontinued operations, as discussed in Note 3.

[7] In 2011, Virginia Power’s deferred federal income tax expense includes a $54 million benefit related to a portion of its 2011 net operating loss that is expected to be used in future years. Also, Virginia Power’s current federal income tax expense reflects the amounts of its 2011 net operating losses realized through its participation in a tax sharing agreement with Dominion and its subsidiaries.