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Goodwill and Purchased Intangible Assets, Net - Summary of Goodwill by Reportable Segment (Detail) $ in Millions	6 Months Ended
	Oct. 24, 2025 USD ($)
Goodwill [Line Items]
Balance as of April 25, 2025	$ 2,723
Impact of foreign currency translation	8
Balance as of July 25, 2025	2,731
Hybrid Cloud
Goodwill [Line Items]
Balance as of April 25, 2025	1,714
Impact of foreign currency translation	0
Balance as of July 25, 2025	1,714
Public Cloud
Goodwill [Line Items]
Balance as of April 25, 2025	1,009
Impact of foreign currency translation	8
Balance as of July 25, 2025	$ 1,017

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