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Comprehensive Income (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Aug. 03, 2013
Jul. 28, 2012
Aug. 03, 2013
Comprehensive Income      
Balance at the beginning of the period     $ 6
Foreign currency translation adjustment (2) (2) (2)
Balance at the end of the period $ 4 $ 6 $ 4