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Subsequent Events (Details) (USD $)
In Millions, except Share data in Thousands, unless otherwise specified
12 Months Ended 2 Months Ended
Feb. 02, 2013
Jan. 28, 2012
Jan. 29, 2011
Feb. 02, 2013
November 2012 Repurchase Program [Member]
Mar. 22, 2013
November 2012 Repurchase Program [Member]
Subsequent Event [Member]
Subsequent Event [Line Items]          
Treasury Stock, Shares, Acquired 13,773 32,535 7,621 245 500
Repurchase of Common Stock $ 625 $ 1,194 $ 207 $ 11 $ 24