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Business Combinations - Additional Information (Detail) - USD ($)
$ in Millions
Mar. 24, 2017
Feb. 02, 2016
Oct. 27, 2014
Privately Held Consulting and Software Development | Fiscal 2017 Acquisitions      
Business Acquisition [Line Items]      
Business acquisition cash paid $ 8    
SolidFire | Fiscal 2016 Acquisitions      
Business Acquisition [Line Items]      
Business acquisition cash paid   $ 850  
SteelStore Product Line | Fiscal 2015 Acquisitions      
Business Acquisition [Line Items]      
Business acquisition cash paid     $ 79
Privately Held Software Developer | Fiscal 2015 Acquisitions      
Business Acquisition [Line Items]      
Business acquisition cash paid     $ 6