Long-Term Debt (Trust Preferred Securities and Junior Subordinated Notes Outstanding) (Details) (USD $) Share data in Thousands, unless otherwise specified					12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2013 January 2001 Dominion Resources Capital Trust III	Dec. 31, 2013 8.4% Debentures due 1/15/2031
Debt Instrument [Line Items]
Date Established					January 2001
Units					10
Rate					8.40%
Capital Securities Amount					$ 10,000,000
Common Securities Amount	5,783,000,000	[1]	5,493,000,000	[1]	300,000
Junior subordinated notes						$ 10,000,000
RSN Annual Interest Rate						8.40%
Debt instrument maturity date						Jan. 15, 2031

[1] 1 billion shares authorized; 581 million shares and 576 million shares outstanding at December 31, 2013 and 2012, respectively.