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Business Combinations - Summary of Acquisition Date Fair Values of Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Millions	Apr. 25, 2025	Apr. 26, 2024	Apr. 28, 2023	May 20, 2022
Business Acquisition [Line Items]
Goodwill	$ 2,723	$ 2,759	$ 2,759
Instaclustr Inc. Acquisition [Member]
Business Acquisition [Line Items]
Cash				$ 4
Intangible assets				107
Goodwill				413
Other assets				19
Total assets acquired				543
Liabilities assumed				(45)
Total purchase price				498
Instaclustr Inc. Acquisition [Member] \| Developed Technology
Business Acquisition [Line Items]
Intangible assets				55
Instaclustr Inc. Acquisition [Member] \| Customer Contracts/Relationships
Business Acquisition [Line Items]
Intangible assets				$ 50