Operating Segments (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Segment Reporting Information [Line Items]
Net benefit	$ (2,862)	$ (2,593)
Income from discontinued operations	0	1
Corporate and Other
Segment Reporting Information [Line Items]
After tax net expenses	228	19
All segments
Segment Reporting Information [Line Items]
After tax net expenses	217	17
Dominion Energy
Segment Reporting Information [Line Items]
Loss related to restructuring of producer services	319
Restructuring after tax	193
Dominion Generation
Segment Reporting Information [Line Items]
Loss related to restructuring of producer services	47
Restructuring after tax	33
Net loss	147
After tax net loss	90
Net gain on sale	100
Net gain on sale, after tax	57
Write off of goodwill	31
Net gain on investments		44
Net gain on investments, after tax		26
Brayton Point and Kincaid | Dominion Generation
Segment Reporting Information [Line Items]
Net benefit		1
Net loss from discontinued operations, before income tax		(38)
Income from discontinued operations		(23)
Impairment of long-lived assets to be disposed of		37
Impairment of long lived assets to be disposed of, net of tax		$ 22