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Supplemental Financial Information - Other Non-Current Assets (Detail) - USD ($) $ in Millions	Apr. 24, 2020	Apr. 26, 2019
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Deferred tax assets	$ 220	$ 201
Operating lease ROU assets	137	0
Other assets	342	389
Other non-current assets	$ 699	$ 590

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting.

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Amount of lessee's right to use underlying asset under operating lease.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed after one year or the normal operating cycle, if longer.

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