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Stock-Based Compensation (Non-Vested Stock Awards Activity) (Details) (USD $)
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12 Months Ended | 3 Months Ended | 0 Months Ended | 3 Months Ended | 0 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|---|---|---|
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Jan. 28, 2012
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Jan. 29, 2011
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Jan. 28, 2012
Restricted Stock Unit [Member]
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Mar. 15, 2011
Stock Awards [Member]
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Jan. 28, 2012
Deferred Compensation, Share-based Payments [Member]
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Mar. 15, 2011
March 2011 Time Based Awards [Member]
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Mar. 15, 2011
March 2011 Performance Based Awards [Member]
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Jan. 28, 2012
Ad Hoc, Non-Employee Board Members and Dividend Equivalents [Member]
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| Non-vested, Stock Awards | 3,688,000 | 2,028,000 | ||||||
| Granted, Stock Awards | 5,749,000 | 835,000 | 822,000 | 3,900,000 | 367,000 | 455,000 | 192,000 | |
| Vested, Stock Awards | (3,691,000) | |||||||
| Forfeited/canceled, Stock Awards | (398,000) | |||||||
| Non-vested, Weighted-Average Grant Date Fair Value | $ 32 | $ 27 | ||||||
| Granted, Weighted-Average Grant Date Fair Value | $ 33 | |||||||
| Vested, Weighted-Average Grant Date Fair Value | $ 30 | |||||||
| Forfeited/canceled, Weighted-Average Grant Date Fair Value | $ 35 | |||||||