|
Stockholders' Equity (Common Stock Repurchase Program) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended | |
|---|---|---|---|
|
Jul. 30, 2011
|
Apr. 30, 2011
|
Jul. 30, 2011
|
|
| Stock Repurchased and Retired, Value | $ 113 | $ 787 | $ 900 |
| Share Repurchase Program, Average Share Price | Â | Â | 36.98 |
|
Common Stock [Member]
|
 |  |  |
| Stock Repurchased and Retired, Value | Â | Â | 12 |
| Stock Repurchased and Retired, Shares | 3 | 21 | 24 |
|
Additional Paid-in Capital [Member]
|
 |  |  |
| Stock Repurchased and Retired, Value | Â | Â | 404 |
|
Reinvested Earnings [Member]
|
 |  |  |
| Stock Repurchased and Retired, Value | Â | Â | $ 484 |