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v3.22.0.1

Segment Geographic and Significant Customer Information - Schedule of Financial Information by Segment (Parenthetical) (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jan. 28, 2022 | Jan. 29, 2021 | Jan. 28, 2022 | Jan. 29, 2021
Segment Reporting [Abstract] |  |  |  |
Unallocated cost of revenue stock-based compensation expense | $ 5 | $ 3 | $ 13 | $ 10
Unallocated cost of revenue amortization of intangible assets | $ 9 | $ 12 | $ 23 | $ 34

X
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- Definition Unallocated cost of revenue stock-based compensation expense. + References No definition available. + Details
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Namespace Prefix: | ntap_
Data Type: | xbrli:monetaryItemType
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- References No definition available. + Details
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Balance Type: | na
Period Type: | duration