Consolidated Statements of Income (USD $)
In Millions, except Per Share data, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Operating Revenue $ 3,053 $ 3,288 [1] $ 6,515 [1] $ 7,271 [1]
Operating Expenses        
Electric fuel and other energy-related purchases 906 957 [1] 1,841 [1] 1,978 [1]
Purchased electric capacity 98 116 [1] 211 [1] 235 [1]
Purchased gas 215 365 [1] 627 [1] 1,007 [1]
Other operations and maintenance 782 739 [1] 1,415 [1] 1,528 [1]
Depreciation, depletion and amortization 289 255 [1] 576 [1] 515 [1]
Other taxes 146 123 [1] 315 [1] 282 [1]
Total operating expenses 2,436 2,555 [1] 4,985 [1] 5,545 [1]
Income from operations 617 733 [1] 1,530 [1] 1,726 [1]
Other income 44 39 [1] 118 [1] 96 [1]
Interest and related charges 224 216 [1] 452 [1] 442 [1]
Income from operations including noncontrolling interests before income tax expense 437 556 [1] 1,196 [1] 1,380 [1]
Income tax expense 154 211 [1] 413 [1] 527 [1]
Income from continuing operations including noncontrolling interests 283 345 [1] 783 [1] 853 [1]
Loss from discontinued operations (18) [2] (5) [1],[2] (17) [1],[2] (30) [1],[2]
Net Income Including Noncontrolling Interest 265 340 [1] 766 [1] 823 [1]
Noncontrolling Interests 7 4 [1] 14 [1] 8 [1]
Net Income attributable to Dominion 258 336 [1] 752 [1] 815 [1]
Amounts Attributable to Dominion:        
Income from continuing operations, net of tax 276 341 [1] 769 [1] 845 [1]
Loss from discontinued operations, net of tax (18) (5) [1] (17) [1] (30) [1]
Earnings Per Common Share-Basic        
Income from continuing operations (dollars per share) $ 0.48 $ 0.60 [1] $ 1.35 [1] $ 1.46 [1]
Loss from discontinued operations (dollars per share) $ (0.03) $ (0.01) [1] $ (0.03) [1] $ (0.05) [1]
Earnings Per Common Share - Basic (dollars per share) $ 0.45 $ 0.59 [1] $ 1.32 [1] $ 1.41 [1]
Earnings Per Common Share-Diluted        
Income from continuing operations (dollars per share) $ 0.48 $ 0.59 [1] $ 1.34 [1] $ 1.46 [1]
Loss from discontinued operations (dollars per share) $ (0.03) $ (0.01) [1] $ (0.03) [1] $ (0.05) [1]
Net income attributable to Dominion (dollars per share) $ 0.45 $ 0.58 [1] $ 1.31 [1] $ 1.41 [1]
Dividends declared per common share (dollars per share) $ 0.5275 $ 0.4925 [1] $ 1.055 [1] $ 0.9850 [1]
Income tax benefit from discontinued operations 14 3 [1] 13 [1] 9 [1]
Virginia Electric and Power Company
        
Operating Revenue 1,756 1,757 3,510 3,514
Operating Expenses        
Electric fuel and other energy-related purchases 602 583 1,216 1,176
Purchased electric capacity 97 116 210 234
Affiliated suppliers 82 77 165 150
Other 360 279 583 508
Depreciation, depletion and amortization 188 175 376 349
Other taxes 66 56 131 115
Total operating expenses 1,395 1,286 2,681 2,532
Income from operations 361 471 829 982
Other income 17 10 40 39
Interest and related charges 100 84 200 176
Income from operations including noncontrolling interests before income tax expense 278 397 669 845
Income tax expense 106 156 254 326
Net Income attributable to Dominion 172 241 415 519
Amounts Attributable to Dominion:        
Preferred dividends 4 4 8 8
Balance available for common stock $ 168 $ 237 $ 407 $ 511
[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] Includes income tax benefit of $14 million and $3 million for the three months ended June 30, 2012 and 2011, respectively, and $13 million and $9 million for the six months ended June 30, 2012 and 2011, respectively.