|
Consolidated Statements of Comprehensive Income (Parenthetical) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|---|---|
|
Jun. 30, 2012
|
Jun. 30, 2011
|
Jun. 30, 2012
|
Jun. 30, 2011
|
Jun. 30, 2012
Virginia Electric and Power Company
|
Dec. 31, 2011
Virginia Electric and Power Company
|
Jun. 30, 2012
Virginia Electric and Power Company
|
Jun. 30, 2011
Virginia Electric and Power Company
|
|
| Net deferred gains (losses) on derivative-hedging activities, tax | $ (1) | $ (7) | $ (81) | $ 51 | $ 2 | $ 0 | $ 2 | $ 0 |
| Changes in unrealized net gains (losses) on investment securities, tax | 16 | (2) | (41) | (27) | 1 | 0 | (5) | (3) |
| Changes in net unrecognized pension and other postretirement benefit costs, tax | (1) | 1 | (1) | (16) | ||||
| Net derivative (gains) losses-hedging activities, tax | 11 | 10 | 23 | 5 | 0 | 1 | (1) | 1 |
| Net realized gains on investment securities, tax | 3 | 2 | 10 | 4 | 0 | 0 | 1 | 0 |
| Net pension and other postretirement benefit costs, tax | $ (8) | $ (9) | $ (17) | $ (11) | ||||