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Goodwill and Intangible Assets (Details 2) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Aug. 04, 2012
Jul. 30, 2011
Aug. 04, 2012
Jul. 30, 2011
Aug. 04, 2012
Customer Relationships [Member]
Mar. 03, 2012
Customer Relationships [Member]
Jul. 30, 2011
Customer Relationships [Member]
Finite-Lived Intangible Assets              
Gross Carrying Amount         $ 465 $ 453 $ 393
Accumulated Amortization         (244) (224) (214)
Amortization expense $ 10 $ 15 $ 20 $ 30