|
Stock-Based Compensation Plans (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2012
|
Sep. 30, 2011
|
Sep. 30, 2012
|
Sep. 30, 2011
|
|
| Share-based compensation expense | ||||
| Total Equity based Compensation | $ 2 | $ 16 | $ 7 | |
| Total Liability based Compensation | (1) | 0 | ||
|
Company employees
|
||||
| Share-based compensation expense | ||||
| Total Equity based Compensation | 6 | 1 | 16 | 3 |
|
Other employee
|
||||
| Share-based compensation expense | ||||
| Total Equity based Compensation | 1 | 4 | ||
| Total Liability based Compensation | $ (1) | $ 0 | ||