|
Consolidated Statements Of Income (Parenthetical) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2012
|
Sep. 30, 2011
|
Sep. 30, 2012
|
Sep. 30, 2011
|
|
| Consolidated Statements Of Income | ||||
| Tax expense included in income from discontinued operations | $ 4 | $ 1 | ||