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Income Taxes - Deferred Tax Assets and Liabilities (Detail) - USD ($)
$ in Millions
Apr. 30, 2021
Apr. 24, 2020
Components of Deferred Tax Assets and Liabilities [Abstract]    
Reserves and accruals $ 65 $ 72
Net operating loss and credit carryforwards 115 113
Stock-based compensation 18 15
Deferred revenue 226 242
Other 20 14
Gross deferred tax assets 444 456
Valuation allowance (107) (104)
Deferred tax assets, net of valuation allowance 337 352
Prepaids and accruals 51 49
Acquired intangibles 28 40
Property and equipment 31 33
Other 24 20
Total deferred tax liabilities 134 142
Deferred tax assets, net of valuation allowance and deferred tax liabilities $ 203 $ 210