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Income Taxes - Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Millions | Apr. 29, 2016 | Apr. 24, 2015
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Components of Deferred Tax Assets and Liabilities [Abstract] |  |
Reserves and accruals | $ 214 | $ 94
Acquired intangibles | 0 | 44
Net operating loss and credit carryforwards | 72 | 80
Stock-based compensation | 66 | 70
Deferred revenue | 336 | 298
Other | 39 | 27
Gross deferred tax assets | 727 | 613
Valuation allowance | (59) | (58)
Deferred tax assets, net of valuation allowance | 668 | 555
Prepaids and accruals | 3 | 4
Acquired intangibles | 27 | 14
Property and equipment | 14 | 26
Other | 3 | 3
Total deferred tax liabilities | 47 | 47
Deferred tax assets, net of valuation allowance and deferred tax liabilities | $ 621 | $ 508

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