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Intangible Assets, Net (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jan. 31, 2015
Feb. 01, 2014
Feb. 02, 2013
Finite-Lived Intangible Assets [Line Items]      
Amortization of intangible assets $ 4us-gaap_AmortizationOfIntangibleAssets $ 4us-gaap_AmortizationOfIntangibleAssets $ 6us-gaap_AmortizationOfIntangibleAssets
Amortization in 2015 4us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths    
Amortization in 2016 3us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo    
Amortization in 2017 2us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree    
Amortization in 2018 1us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour    
Amortization in 2019 $ 0.3us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive    
Internal Use Software [Member] | Minimum [Member]      
Finite-Lived Intangible Assets [Line Items]      
Useful life 5 years    
Internal Use Software [Member] | Maximum [Member]      
Finite-Lived Intangible Assets [Line Items]      
Useful life 10 years