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Other Intangible Assets, Net (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 29, 2016
Oct. 31, 2015
Oct. 29, 2016
Oct. 31, 2015
Goodwill and Other Intangible Assets, Net [Abstract]        
Amortization expense $ 1 $ 1 $ 3 $ 3
Additions of intangible assets of new leases     $ 1  
Weighted-average amortization period     8 years