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Balance Sheet Details - Property and Equipment Net (Detail) - USD ($)
$ in Millions
Apr. 28, 2017
Apr. 29, 2016
Property Plant And Equipment [Line Items]    
Property and equipment, gross $ 2,047 $ 2,191
Accumulated depreciation and amortization (1,248) (1,254)
Property and equipment, net 799 937
Land    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 132 215
Buildings and improvements    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 612 605
Leasehold Improvements    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 93 106
Computer, production, engineering and other equipment    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 741 751
Computer software    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 353 352
Furniture and fixtures    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 90 88
Construction-in-progress    
Property Plant And Equipment [Line Items]    
Property and equipment, gross $ 26 $ 74