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Balance Sheet Details - Accrued expenses (Detail) - USD ($)
$ in Millions
Oct. 27, 2017
Apr. 28, 2017
Payables And Accruals [Abstract]    
Accrued compensation and benefits $ 291 $ 340
Sale-leaseback financing obligations 130 130
Product warranty liabilities 29 33
Other current liabilities 272 279
Accrued expenses $ 722 $ 782