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Stockholders' Equity (Common Stock) (Details)
In Millions, unless otherwise specified |
Jan. 28, 2012
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|---|---|
| Stockholders Equity Disclosure [Abstract] | |
| Shares held in 401(k) plan, including ESOP | 14 |
| Percent of shares held in 401(k) plan, including ESOP | 6.60% |