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Stock-Based Compensation (Stock Awards) (Details) (USD $)
In Millions, except Share data, unless otherwise specified |
0 Months Ended | 12 Months Ended | 3 Months Ended | 0 Months Ended | 12 Months Ended | 3 Months Ended | 0 Months Ended | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Mar. 15, 2011
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Jan. 28, 2012
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Jan. 29, 2011
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Jan. 30, 2010
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Jan. 28, 2012
Employee Stock Option [Member]
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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
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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| Granted, Stock Awards | 5,749,000 | 835,000 | 822,000 | 3,900,000 | 367,000 | 455,000 | |||||
| Performance-Based Award, Target Payout Range | 0% to 200% | ||||||||||
| Unrecognized compensation expense | $ 23 | $ 105 | |||||||||
| Weighted average period over which unrecognized compensation is expected to be recognized (years) | 1 | 2 | |||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Total Fair Value | 145 | 8 | 10 | ||||||||
| Share-Based Compensation, Arrangement by Share-Based Payment Award, Equity Instruments Other Than Options, Aggregate Grant Date Fair Value | $ 111 | $ 12 | $ 24 | ||||||||