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Goodwill and Purchased Intangible Assets, Net - Additional Information (Detail) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 30, 2021 USD ($) | Oct. 29, 2021 USD ($) Segment
Business Acquisition [Line Items] |  |
Number of reportable segments | Segment |  | 2
Goodwill impairment charges | $ 0 |
Developed Technology |  |
Business Acquisition [Line Items] |  |
Retirement of amortized assets |  | $ 114,000,000

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