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Goodwill and Intangible Assets (Schedule of Future Intangible Asset Amortization Expense) (Details) - USD ($)
$ in Millions
Dec. 29, 2017
Mar. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]    
Remainder of 2018 $ 110  
2019 436  
2020 431  
2021 321  
2022 259  
Thereafter 326  
Net Carrying Amount $ 1,883 $ 2,121