|
Fair Value Measurements and Concentrations of Credit Risk (Company Non-Financial Assets Measured On A Recurring Basis) (Details) (USD $)
In Millions, unless otherwise specified |
Jan. 31, 2015
|
Feb. 01, 2014
|
|---|---|---|
| Long-lived assets held and used | $ 8 | $ 13 |
| Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | ||
| Long-lived assets held and used | 0 | 0 |
| Significant Observable Inputs (Level 2) [Member] | ||
| Long-lived assets held and used | 0 | 0 |
| Significant Unobservable Inputs (Level 3) [Member] | ||
| Long-lived assets held and used | $ 8 | $ 13 |