Consolidated Statements of Comprehensive Income (USD $)
In Millions, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Net income including noncontrolling interests $ 265 $ 340 [1] $ 766 [1] $ 823 [1]
Net income attributable to Dominion 258 336 [1] 752 [1] 815 [1]
Other comprehensive income (loss), net of taxes:        
Net deferred gains (losses) on derivatives-hedging activities, net of tax 2 [2] 11 [2] 130 [2] (74) [2]
Changes in unrealized net gains (losses) on investment securities, net of tax (23) [3] 2 [3] 61 [3] 40 [3]
Changes in net unrecognized pension and other postretirement benefit costs, net of tax 1 [4] (2) [4] 2 [4] 23 [4]
Amounts reclassified to net income:        
Net derivative gains-hedging activities, net of tax (31) [5] (17) [5] (47) [5] (4) [5]
Net realized gains on investment securities, net of tax (5) [6] (3) [6] (14) [6] (6) [6]
Net pension and other postretirement benefit costs, net of tax 12 [7] 7 [7] 23 [7] 22 [7]
Total other comprehensive income (loss) (44) (2) 155 1
Comprehensive income including noncontrolling interests 221 338 921 824
Comprehensive income attributable to noncontrolling interests 7 4 14 8
Comprehensive income attributable to Dominion 214 334 907 816
Virginia Electric and Power Company
        
Net income attributable to Dominion 172 241 415 519
Other comprehensive income (loss), net of taxes:        
Net deferred gains (losses) on derivatives-hedging activities, net of tax (2) [8] 0 [8] (3) [8] 0 [8]
Changes in unrealized net gains (losses) on investment securities, net of tax (2) [9] 0 [9] 6 [9] 3 [9]
Amounts reclassified to net income:        
Net derivative gains-hedging activities, net of tax 1 [10] 0 [10] 2 [10] (1) [10]
Net realized gains on investment securities, net of tax (1) [11] 0 [11] (1) [11] 0 [11]
Total other comprehensive income (loss) (4) 0 4 2
Comprehensive income attributable to Dominion $ 168 $ 241 $ 419 $ 521
[1] Consolidated Statements of Income for the six months ended June 30, 2012 and the three and six months ended June 30, 2011 have been recast to reflect Salem Harbor and State Line as discontinued operations, as discussed in Note 3.
[2] Net of $(1) million and $(7) million tax for the three months ended June 30, 2012 and 2011, respectively, and net of $(81) million and $51 million tax for the six months ended June 30, 2012 and 2011, respectively.
[3] Net of $16 million and $(2) million tax for the three months ended June 30, 2012 and 2011, respectively, and net of $(41) million and $(27) million tax for the six months ended June 30, 2012 and 2011, respectively.
[4] Net of $(1) million and $1 million tax for the three months ended June 30, 2012 and 2011, respectively, and net of $(1) million and $(16) million tax for the six months ended June 30, 2012 and 2011, respectively.
[5] Net of $11 million and $10 million tax for the three months ended June 30, 2012 and 2011, respectively, and net of $23 million and $5 million tax for the six months ended June 30, 2012 and 2011, respectively.
[6] Net of $3 million and $2 million tax for the three months ended June 30, 2012 and 2011, respectively, and net of $10 million and $4 million tax for the six months ended June 30, 2012 and 2011, respectively.
[7] Net of $(8) million and $(9) million tax for the three months ended June 30, 2012 and 2011, respectively, and net of $(17) million and $(11) million tax for the six months ended June 30, 2012 and 2011, respectively.
[8] Net of $2 million and $--- million tax for the three months ended June 30, 2012 and 2011, respectively, and net of $2 million and $--- million tax for the six months ended June 30, 2012 and 2011, respectively.
[9] Net of $1 million and $--- million tax for the three months ended June 30, 2012 and 2011, respectively, and net of $(5) million and $(3) million tax for the six months ended June 30, 2012 and 2011, respectively.
[10] Net of $--- million and $1 million tax for the three months ended June 30, 2012 and 2011, respectively, and net of $(1) million and $1 million tax for the six months ended June 30, 2012 and 2011, respectively.
[11] Net of $--- million and $--- million tax for the three months ended June 30, 2012 and 2011, respectively, and net of $1 million and $--- million tax for the six months ended June 30, 2012 and 2011, respectively.