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Goodwill and Intangible Assets (Schedule of Amortization Expense for Finite-Lived Intangible Assets) (Detail) - USD ($)
$ in Millions
Jul. 03, 2015
Jan. 30, 2015
Goodwill and Intangible Assets Disclosure [Abstract]    
2016 (remainder of the fiscal year) $ 4  
2016 8  
2017 6  
2018 4  
2019 2  
2020 and thereafter 4  
Net carrying value $ 28 $ 24