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Goodwill and Intangible Assets (Schedule of Amortization Expense for Finite-Lived Intangible Assets) (Detail) - USD ($)
$ in Millions
Jan. 01, 2016
Jan. 30, 2015
Goodwill and Intangible Assets Disclosure [Abstract]    
2016 $ 6  
2017 5  
2018 4  
2019 2  
2020 1  
2021 and thereafter 3  
Net carrying value $ 21 $ 24