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Derivatives and Hedging Activities - Schedule of Notional Value of Outstanding Foreign Currency Forward Contracts (Detail) - Foreign Exchange Forward Contracts - USD ($) $ in Millions	Oct. 25, 2024	Apr. 26, 2024
Long | Cash Flow Hedges
Derivative [Line Items]
Forward contracts, Notional Amount	$ 12	$ 11
Non Designated | Short | Balance Sheet Contracts
Derivative [Line Items]
Forward contracts, Notional Amount	920	881
Non Designated | Long | Balance Sheet Contracts
Derivative [Line Items]
Forward contracts, Notional Amount	$ 128	$ 71

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
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