Quarterly Financial and Common Stock Data (Unaudited) (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended	3 Months Ended					12 Months Ended	3 Months Ended	12 Months Ended					3 Months Ended	12 Months Ended
	Dec. 31, 2013	Jun. 30, 2013 Brayton Point and Kincaid	Sep. 30, 2012 Kewaunee	Dec. 31, 2013 Virginia Electric and Power Company	Jun. 30, 2012 Virginia Electric and Power Company	Jun. 30, 2013 Dominion Energy	Dec. 31, 2013 Dominion Energy	Jun. 30, 2013 Dominion Energy Brayton Point and Kincaid	Dec. 31, 2011 Dominion Generation	Dec. 31, 2013 Dominion Generation Brayton Point and Kincaid	Dec. 31, 2011 Dominion Generation Brayton Point and Kincaid	Dec. 31, 2012 Dominion Generation Kewaunee	Dec. 31, 2013 Dominion Generation Virginia Electric and Power Company	Dec. 31, 2012 Brayton Point Kincaid And Elwood Power Stations Dominion Generation	Dec. 31, 2012 Brayton Point Kincaid And Elwood Power Stations Dominion Generation
Condensed Financial Statements, Captions [Line Items]
Loss before income taxes		$ (70)								$ (135)	$ (57)	$ (467)			$ (1,700)
Loss from operations after tax							109	57		8
Impairment charge after tax						33	33
Loss from producer services business after tax						24	76
Impairment charge	1,600									48				1,000
Impairment and other charges			281
Restoration costs net of tax				28									28
Asset impairment, net of tax					$ 42				$ 139