Goodwill (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended		12 Months Ended
	Sep. 30, 2013		Dec. 31, 2012
Goodwill [Roll Forward]
Goodwill, Balance at beginning of period	$ 3,130	[1],[2]	$ 3,141	[1]
Asset disposition adjustment	(43)		(11)
Goodwill, Balance at end of period	3,087	[1]	3,130	[1],[2]
Dominion Generation
Goodwill [Roll Forward]
Goodwill, Balance at beginning of period	1,338	[1]	1,338	[1]
Asset disposition adjustment	(16)	[3]	0
Goodwill, Balance at end of period	1,322	[1]	1,338	[1]
Dominion Energy
Goodwill [Roll Forward]
Goodwill, Balance at beginning of period	701	[1]	712	[1]
Asset disposition adjustment	(24)	[4]	(11)
Goodwill, Balance at end of period	677	[1]	701	[1]
DVP
Goodwill [Roll Forward]
Goodwill, Balance at beginning of period	1,091	[1]	1,091	[1]
Asset disposition adjustment	(3)	[3]	0
Goodwill, Balance at end of period	1,088	[1]	1,091	[1]
Corporate and Other
Goodwill [Roll Forward]
Goodwill, Balance at beginning of period	0	[1]	0	[1]
Asset disposition adjustment	0		0
Goodwill, Balance at end of period	$ 0	[1]	$ 0	[1]

[1] Goodwill amounts do not contain any accumulated impairment losses.

[2] Dominion’s Consolidated Balance Sheet at December 31, 2012 has been derived from the audited Consolidated Financial Statements at that date.

[3] See Note 3 in this report for a discussion of Dominion's dispositions and related goodwill write-offs.

[4] Related to assets sold or contributed to Blue Racer.