Shareholders' Equity (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified	1 Months Ended	12 Months Ended					12 Months Ended									1 Months Ended					12 Months Ended
	Jan. 31, 2012 Agreement	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Dominion Direct, Employee Stock Awards, Employee Savings Plans, Director Stock Compensation Plans, and Contingent Convertible Senior Notes	Dec. 31, 2013 Stock-Based Awards	Dec. 31, 2013 Restricted Stock	Dec. 31, 2012 Restricted Stock	Dec. 31, 2011 Restricted Stock	Dec. 31, 2013 Goal-Based Stock Performance_Metric	Dec. 31, 2012 Goal-Based Stock Officer	Dec. 31, 2011 Goal-Based Stock Officer	Dec. 31, 2013 Cash-Based Performance Grant Performance_Metric	Dec. 31, 2012 Cash-Based Performance Grant Performance_Metric	Dec. 31, 2007 Cash-Based Performance Grant	Feb. 28, 2013 February 2011 Awards	Feb. 28, 2012 February 2011 Awards	Feb. 28, 2011 February 2011 Awards	Feb. 28, 2010 February 2011 Awards	Dec. 31, 2013 February 2012 Awards	Dec. 31, 2013 February 2012 Awards	Dec. 31, 2013 February 2013 Awards	Dec. 31, 2013 Dominion Direct, employee savings plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock shares issued		5,400,000																					4,700,000
Cash proceeds		$ 278	$ 265	$ 38
Number of sales agency agreements	4
Expected issuance of common stock in 2012 through employee savings plans, direct stock purchase and dividend reinvestment plans, and other employee and director benefit plans		317
Shares reserved and available for issuance		22,500,000			48,000,000
Shares were available for future grants						32,000,000
Compensation cost related to stock-based compensation		31	25	39
Tax benefit from stock awards and stock options exercised		11	8	13
Tax benefits from the vesting of restricted stock awards		1	10	2
Cash proceeds from the exercise of stock options			19	38
Vesting period							3 years			3 years
Unrecognized compensation cost related to nonvested awards							21
Expected weighted-average period recognized for the unrecognized compensation cost							1 year 9 months 6 days
Fair value of restricted stock awards that vested							20	30	28
Number of performance metrics										2			2	2
Performance metrics period										2 years
Shares issued minimum percentage										0.00%
Shares issued maximum percentage										200.00%
Stock awards granted											3,000	9,000
Number of shares converted to one class to another									168,000	1,000	2,000	15,000
Targeted shares expected to be issued										5,000
Cash-based performance grants minimum															0.00%
Cash-based performance grants maximum															200.00%
Cash based performance grant actual payout																2	6	6	14	8
Cash-based performance grants																8	20					13
Cash based performance grant liability accrued																					4	6
Cash based performance grants, total expected award																					$ 12