|
Stock-Based Compensation (Stock-Based Compensation Costs) (Details) (USD $)
In Millions |
3 Months Ended | |
|---|---|---|
|
Apr. 30, 2011
|
May 01, 2010
|
|
| Stock-Based Compensation | Â | Â |
| Stock awards (shares and units) | $ 6 | $ 4 |
| Stock options | 7 | 8 |
| Total stock-based compensation | 13 | 12 |
| Total related income tax benefits | $ 5 | $ 5 |