<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.24.0.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>343</ContextCount>
  <ElementCount>331</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>91</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>6</UnitCount>
  <MyReports>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>100000 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>100010 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>100040 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnauditedParenthetical</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>100050 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFINCOMEUnaudited</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>100060 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUnaudited</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>100070 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>100080 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnaudited</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>100090 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUnauditedParenthetical</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>995410 - Disclosure - Pay vs Performance Disclosure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/PvpDisclosure</Role>
      <ShortName>Pay vs Performance Disclosure</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>995445 - Disclosure - Insider Trading Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements</Role>
      <ShortName>Insider Trading Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>995455 - Disclosure - Description of Business and Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureDescriptionOfBusinessAndSignificantAccountingPolicies</Role>
      <ShortName>Description of Business and Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>995465 - Disclosure - Recent Accounting Pronouncements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureRecentAccountingPronouncements</Role>
      <ShortName>Recent Accounting Pronouncements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>995475 - Disclosure - Business Combinations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureBusinessCombinations</Role>
      <ShortName>Business Combinations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>995485 - Disclosure - Goodwill and Purchased Intangible Assets, Net</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureGoodwillAndPurchasedIntangibleAssetsNet</Role>
      <ShortName>Goodwill and Purchased Intangible Assets, Net</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>995495 - Disclosure - Supplemental Financial Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSupplementalFinancialInformation</Role>
      <ShortName>Supplemental Financial Information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>995505 - Disclosure - Financial Instruments and Fair Value Measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureFinancialInstrumentsAndFairValueMeasurements</Role>
      <ShortName>Financial Instruments and Fair Value Measurements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>995515 - Disclosure - Financing Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureFinancingArrangements</Role>
      <ShortName>Financing Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>995525 - Disclosure - Leases</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureLeases</Role>
      <ShortName>Leases</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>995535 - Disclosure - Stockholders' Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureStockholdersEquity</Role>
      <ShortName>Stockholders' Equity</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>995545 - Disclosure - Derivatives and Hedging Activities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureDerivativesAndHedgingActivities</Role>
      <ShortName>Derivatives and Hedging Activities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>995555 - Disclosure - Restructuring Charges</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureRestructuringCharges</Role>
      <ShortName>Restructuring Charges</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>995565 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureIncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>995575 - Disclosure - Net Income per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureNetIncomePerShare</Role>
      <ShortName>Net Income per Share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>995585 - Disclosure - Segment, Geographic, and Significant Customer Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSegmentGeographicAndSignificantCustomerInformation</Role>
      <ShortName>Segment, Geographic, and Significant Customer Information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>995595 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureCommitmentsAndContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>995615 - Disclosure - Description of Business and Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureDescriptionOfBusinessAndSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Description of Business and Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureDescriptionOfBusinessAndSignificantAccountingPolicies</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>995625 - Disclosure - Business Combinations (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureBusinessCombinationsTables</Role>
      <ShortName>Business Combinations (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureBusinessCombinations</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>995635 - Disclosure - Goodwill and Purchased Intangible Assets, Net (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureGoodwillAndPurchasedIntangibleAssetsNetTables</Role>
      <ShortName>Goodwill and Purchased Intangible Assets, Net (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureGoodwillAndPurchasedIntangibleAssetsNet</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>995645 - Disclosure - Supplemental Financial Information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSupplementalFinancialInformationTables</Role>
      <ShortName>Supplemental Financial Information (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSupplementalFinancialInformation</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>995655 - Disclosure - Financial Instruments and Fair Value Measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureFinancialInstrumentsAndFairValueMeasurementsTables</Role>
      <ShortName>Financial Instruments and Fair Value Measurements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureFinancialInstrumentsAndFairValueMeasurements</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>995665 - Disclosure - Financing Arrangements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureFinancingArrangementsTables</Role>
      <ShortName>Financing Arrangements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureFinancingArrangements</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>995675 - Disclosure - Leases (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureLeasesTables</Role>
      <ShortName>Leases (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureLeases</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>995685 - Disclosure - Stockholders' Equity (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureStockholdersEquityTables</Role>
      <ShortName>Stockholders' Equity (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureStockholdersEquity</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>995695 - Disclosure - Derivatives and Hedging Activities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureDerivativesAndHedgingActivitiesTables</Role>
      <ShortName>Derivatives and Hedging Activities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureDerivativesAndHedgingActivities</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>995705 - Disclosure - Restructuring Charges (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureRestructuringChargesTables</Role>
      <ShortName>Restructuring Charges (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureRestructuringCharges</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>995715 - Disclosure - Income Taxes (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureIncomeTaxesTables</Role>
      <ShortName>Income Taxes (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureIncomeTaxes</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>995725 - Disclosure - Net Income per Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureNetIncomePerShareTables</Role>
      <ShortName>Net Income per Share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureNetIncomePerShare</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>995735 - Disclosure - Segment, Geographic, and Significant Customer Information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSegmentGeographicAndSignificantCustomerInformationTables</Role>
      <ShortName>Segment, Geographic, and Significant Customer Information (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSegmentGeographicAndSignificantCustomerInformation</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>995745 - Disclosure - Business Combinations - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureBusinessCombinationsAdditionalInformationDetail</Role>
      <ShortName>Business Combinations - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>995755 - Disclosure - Business Combinations - Summary of Acquisition Date Fair Values of Assets Acquired and Liabilities Assumed (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureBusinessCombinationsSummaryOfAcquisitionDateFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetail</Role>
      <ShortName>Business Combinations - Summary of Acquisition Date Fair Values of Assets Acquired and Liabilities Assumed (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>995765 - Disclosure - Business Combinations - Schedule of Components of Intangible Assets Acquired (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureBusinessCombinationsScheduleOfComponentsOfIntangibleAssetsAcquiredDetail</Role>
      <ShortName>Business Combinations - Schedule of Components of Intangible Assets Acquired (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>995785 - Disclosure - Goodwill and Purchased Intangible Assets, Net - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureGoodwillAndPurchasedIntangibleAssetsNetAdditionalInformationDetail</Role>
      <ShortName>Goodwill and Purchased Intangible Assets, Net - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>995795 - Disclosure - Goodwill and Purchased Intangible Assets, Net - Summary of Goodwill by Reportable Segment (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureGoodwillAndPurchasedIntangibleAssetsNetSummaryOfGoodwillByReportableSegmentDetail</Role>
      <ShortName>Goodwill and Purchased Intangible Assets, Net - Summary of Goodwill by Reportable Segment (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>995805 - Disclosure - Goodwill and Purchased Intangible Assets, Net - Purchased Intangible Assets, Net (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureGoodwillAndPurchasedIntangibleAssetsNetPurchasedIntangibleAssetsNetDetail</Role>
      <ShortName>Goodwill and Purchased Intangible Assets, Net - Purchased Intangible Assets, Net (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>995815 - Disclosure - Goodwill and Purchased Intangible Assets, Net - Amortization Expense for Purchased Intangible Assets (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureGoodwillAndPurchasedIntangibleAssetsNetAmortizationExpenseForPurchasedIntangibleAssetsDetail</Role>
      <ShortName>Goodwill and Purchased Intangible Assets, Net - Amortization Expense for Purchased Intangible Assets (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>995825 - Disclosure - Goodwill and Purchased Intangible Assets, Net - Future Amortization Expense Related to Purchased Intangible Assets (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureGoodwillAndPurchasedIntangibleAssetsNetFutureAmortizationExpenseRelatedToPurchasedIntangibleAssetsDetail</Role>
      <ShortName>Goodwill and Purchased Intangible Assets, Net - Future Amortization Expense Related to Purchased Intangible Assets (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>995835 - Disclosure - Supplemental Financial Information - Cash, Cash Equivalents and Restricted Cash (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSupplementalFinancialInformationCashCashEquivalentsAndRestrictedCashDetail</Role>
      <ShortName>Supplemental Financial Information - Cash, Cash Equivalents and Restricted Cash (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>995845 - Disclosure - Supplemental Financial Information - Inventories (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSupplementalFinancialInformationInventoriesDetail</Role>
      <ShortName>Supplemental Financial Information - Inventories (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>995855 - Disclosure - Supplemental Financial Information - Property and Equipment Net (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSupplementalFinancialInformationPropertyAndEquipmentNetDetail</Role>
      <ShortName>Supplemental Financial Information - Property and Equipment Net (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>995865 - Disclosure - Supplemental Financial Information - Other Non-Current Assets (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSupplementalFinancialInformationOtherNonCurrentAssetsDetail</Role>
      <ShortName>Supplemental Financial Information - Other Non-Current Assets (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>995875 - Disclosure - Supplemental Financial Information - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSupplementalFinancialInformationAdditionalInformationDetail</Role>
      <ShortName>Supplemental Financial Information - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>995885 - Disclosure - Supplemental Financial Information - Accrued expenses (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSupplementalFinancialInformationAccruedExpensesDetail</Role>
      <ShortName>Supplemental Financial Information - Accrued expenses (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>995895 - Disclosure - Supplemental Financial Information - Other Long-term Liabilities (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSupplementalFinancialInformationOtherLongTermLiabilitiesDetail</Role>
      <ShortName>Supplemental Financial Information - Other Long-term Liabilities (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>995905 - Disclosure - Supplemental Financial Information - Summary of Components of Deferred Revenue and Financed Unearned Services Revenue (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSupplementalFinancialInformationSummaryOfComponentsOfDeferredRevenueAndFinancedUnearnedServicesRevenueDetail</Role>
      <ShortName>Supplemental Financial Information - Summary of Components of Deferred Revenue and Financed Unearned Services Revenue (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>995915 - Disclosure - Supplemental Financial Information (Additional Information) (Details 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/DisclosureSupplementalFinancialInformationAdditionalInformationDetails1</Role>
      <ShortName>Supplemental Financial Information (Additional Information) (Details 1)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSupplementalFinancialInformationTables</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>995925 - Disclosure - Supplemental Financial Information - Summary of Activity Related to the Balances in Condensed Consolidated Balance Sheets (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSupplementalFinancialInformationSummaryOfActivityRelatedToBalancesInCondensedConsolidatedBalanceSheetsDetail</Role>
      <ShortName>Supplemental Financial Information - Summary of Activity Related to the Balances in Condensed Consolidated Balance Sheets (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>995935 - Disclosure - Supplemental Financial Information - Other Income (expense), Net (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSupplementalFinancialInformationOtherIncomeExpenseNetDetail</Role>
      <ShortName>Supplemental Financial Information - Other Income (expense), Net (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>995945 - Disclosure - Supplemental Financial Information - Supplemental Cash Flows, Non-Cash Investing Activities (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSupplementalFinancialInformationSupplementalCashFlowsNonCashInvestingActivitiesDetail</Role>
      <ShortName>Supplemental Financial Information - Supplemental Cash Flows, Non-Cash Investing Activities (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>995955 - Disclosure - Financial Instruments and Fair Value Measurements - Summary of Investments at Cost or Amortized Cost (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureFinancialInstrumentsAndFairValueMeasurementsSummaryOfInvestmentsAtCostOrAmortizedCostDetail</Role>
      <ShortName>Financial Instruments and Fair Value Measurements - Summary of Investments at Cost or Amortized Cost (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>995975 - Disclosure - Financial Instruments and Fair Value Measurements - Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureFinancialInstrumentsAndFairValueMeasurementsSummaryOfFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail</Role>
      <ShortName>Financial Instruments and Fair Value Measurements - Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>995985 - Disclosure - Financial Instruments and Fair Value Measurements - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureFinancialInstrumentsAndFairValueMeasurementsAdditionalInformationDetail</Role>
      <ShortName>Financial Instruments and Fair Value Measurements - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>995995 - Disclosure - Financing Arrangements - Carrying Value of Long-Term Debt (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureFinancingArrangementsCarryingValueOfLongTermDebtDetail</Role>
      <ShortName>Financing Arrangements - Carrying Value of Long-Term Debt (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>996005 - Disclosure - Financing Arrangements - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureFinancingArrangementsAdditionalInformationDetail</Role>
      <ShortName>Financing Arrangements - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>996015 - Disclosure - Financing Arrangements - Future Principal Debt Maturities (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureFinancingArrangementsFuturePrincipalDebtMaturitiesDetail</Role>
      <ShortName>Financing Arrangements - Future Principal Debt Maturities (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>996025 - Disclosure - Leases - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureLeasesAdditionalInformationDetail</Role>
      <ShortName>Leases - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>996035 - Disclosure - Leases - Components of Lease Cost Related to Operating Leases (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureLeasesComponentsOfLeaseCostRelatedToOperatingLeasesDetail</Role>
      <ShortName>Leases - Components of Lease Cost Related to Operating Leases (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>996045 - Disclosure - Leases - Supplemental Cash Flow Information Related to Operating Leases (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureLeasesSupplementalCashFlowInformationRelatedToOperatingLeasesDetail</Role>
      <ShortName>Leases - Supplemental Cash Flow Information Related to Operating Leases (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>996055 - Disclosure - Leases - Supplemental Balance Sheet Information Related to Operating Leases (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureLeasesSupplementalBalanceSheetInformationRelatedToOperatingLeasesDetail</Role>
      <ShortName>Leases - Supplemental Balance Sheet Information Related to Operating Leases (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>996065 - Disclosure - Leases - Future Minimum Operating Lease Payments (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureLeasesFutureMinimumOperatingLeasePaymentsDetail</Role>
      <ShortName>Leases - Future Minimum Operating Lease Payments (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>996075 - Disclosure - Stockholders' Equity - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetail</Role>
      <ShortName>Stockholders' Equity - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>996095 - Disclosure - Stockholders' Equity - Stock-Based Compensation Expense (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureStockholdersEquityStockBasedCompensationExpenseDetail</Role>
      <ShortName>Stockholders' Equity - Stock-Based Compensation Expense (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>996105 - Disclosure - Stockholders' Equity - Summary of Activities Related to Stock Repurchase Program (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureStockholdersEquitySummaryOfActivitiesRelatedToStockRepurchaseProgramDetail</Role>
      <ShortName>Stockholders' Equity - Summary of Activities Related to Stock Repurchase Program (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>996115 - Disclosure - Stockholders' Equity - Summary of Activities Related to Dividends on Common Stock (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureStockholdersEquitySummaryOfActivitiesRelatedToDividendsOnCommonStockDetail</Role>
      <ShortName>Stockholders' Equity - Summary of Activities Related to Dividends on Common Stock (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>996125 - Disclosure - Stockholders' Equity - Accumulated Other Comprehensive Income (Loss) by Component Net of Tax (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureStockholdersEquityAccumulatedOtherComprehensiveIncomeLossByComponentNetOfTaxDetail</Role>
      <ShortName>Stockholders' Equity - Accumulated Other Comprehensive Income (Loss) by Component Net of Tax (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>996135 - Disclosure - Stockholders' Equity - Amounts Reclassified Out of Accumulated Other Comprehensive Income (Loss) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureStockholdersEquityAmountsReclassifiedOutOfAccumulatedOtherComprehensiveIncomeLossDetail</Role>
      <ShortName>Stockholders' Equity - Amounts Reclassified Out of Accumulated Other Comprehensive Income (Loss) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>996145 - Disclosure - Derivatives and Hedging Activities - Schedule of Notional Value of Outstanding Foreign Currency Forward Contracts (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureDerivativesAndHedgingActivitiesScheduleOfNotionalValueOfOutstandingForeignCurrencyForwardContractsDetail</Role>
      <ShortName>Derivatives and Hedging Activities - Schedule of Notional Value of Outstanding Foreign Currency Forward Contracts (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>76</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>996155 - Disclosure - Derivatives and Hedging Activities - Schedule of Derivative Instruments Not Designated as Cash Flow Hedges (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureDerivativesAndHedgingActivitiesScheduleOfDerivativeInstrumentsNotDesignatedAsCashFlowHedgesDetail</Role>
      <ShortName>Derivatives and Hedging Activities - Schedule of Derivative Instruments Not Designated as Cash Flow Hedges (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>77</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>996165 - Disclosure - Restructuring Charges - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureRestructuringChargesAdditionalInformationDetail</Role>
      <ShortName>Restructuring Charges - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>78</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>996175 - Disclosure - Restructuring Charges - Activities Related to Restructuring Reserves (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureRestructuringChargesActivitiesRelatedToRestructuringReservesDetail</Role>
      <ShortName>Restructuring Charges - Activities Related to Restructuring Reserves (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>79</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>996185 - Disclosure - Income Taxes - Effective Tax Rates (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureIncomeTaxesEffectiveTaxRatesDetail</Role>
      <ShortName>Income Taxes - Effective Tax Rates (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>80</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>996195 - Disclosure - Income Taxes - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail</Role>
      <ShortName>Income Taxes - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>81</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>996205 - Disclosure - Net Income per Share - Computation of Basic and Diluted Net Income Per Share (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureNetIncomePerShareComputationOfBasicAndDilutedNetIncomePerShareDetail</Role>
      <ShortName>Net Income per Share - Computation of Basic and Diluted Net Income Per Share (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>82</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>996225 - Disclosure - Segment Geographic and Significant Customer Information - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSegmentGeographicAndSignificantCustomerInformationAdditionalInformationDetail</Role>
      <ShortName>Segment Geographic and Significant Customer Information - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>83</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>996235 - Disclosure - Segment Geographic and Significant Customer Information - Schedule of Financial Information by Segment (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSegmentGeographicAndSignificantCustomerInformationScheduleOfFinancialInformationBySegmentDetail</Role>
      <ShortName>Segment Geographic and Significant Customer Information - Schedule of Financial Information by Segment (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>84</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>996245 - Disclosure - Segment Geographic and Significant Customer Information - Schedule of Financial Information by Segment (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSegmentGeographicAndSignificantCustomerInformationScheduleOfFinancialInformationBySegmentParentheticalDetail</Role>
      <ShortName>Segment Geographic and Significant Customer Information - Schedule of Financial Information by Segment (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>85</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>996255 - Disclosure - Segment Geographic and Significant Customer Information - Schedule of Revenues by Geographic Region (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSegmentGeographicAndSignificantCustomerInformationScheduleOfRevenuesByGeographicRegionDetail</Role>
      <ShortName>Segment Geographic and Significant Customer Information - Schedule of Revenues by Geographic Region (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>86</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>996265 - Disclosure - Segment Geographic and Significant Customer Information - Schedule of Cash, Cash Equivalents and Short-Term Investments (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSegmentGeographicAndSignificantCustomerInformationScheduleOfCashCashEquivalentsAndShortTermInvestmentsDetail</Role>
      <ShortName>Segment Geographic and Significant Customer Information - Schedule of Cash, Cash Equivalents and Short-Term Investments (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>87</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>996275 - Disclosure - Segment Geographic and Significant Customer Information - Schedule of Property and Equipment Net by Geographic Areas (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSegmentGeographicAndSignificantCustomerInformationScheduleOfPropertyAndEquipmentNetByGeographicAreasDetail</Role>
      <ShortName>Segment Geographic and Significant Customer Information - Schedule of Property and Equipment Net by Geographic Areas (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>88</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>996285 - Disclosure - Segment Geographic and Significant Customer Information - Significant Customers (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSegmentGeographicAndSignificantCustomerInformationSignificantCustomersDetail</Role>
      <ShortName>Segment Geographic and Significant Customer Information - Significant Customers (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>89</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>996295 - Disclosure - Segment Geographic and Significant Customer Information - Schedule of Net Accounts Receivable from Significant Customers (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureSegmentGeographicAndSignificantCustomerInformationScheduleOfNetAccountsReceivableFromSignificantCustomersDetail</Role>
      <ShortName>Segment Geographic and Significant Customer Information - Schedule of Net Accounts Receivable from Significant Customers (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>90</Position>
    </Report>
    <Report instance="ntap-20240126.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>996305 - Disclosure - Commitments and Contingencies - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.netapp.com/20240126/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail</Role>
      <ShortName>Commitments and Contingencies - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>91</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="10-Q" isDefinitelyFs="true" isUsgaap="true" original="ntap-20240126.htm">ntap-20240126.htm</File>
    <File>ntap-20240126.xsd</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="980">http://fasb.org/us-gaap/2023</BaseTaxonomy>
    <BaseTaxonomy items="29">http://xbrl.sec.gov/dei/2023</BaseTaxonomy>
    <BaseTaxonomy items="17">http://xbrl.sec.gov/ecd/2023</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>false</HasPresentationLinkbase>
  <HasCalculationLinkbase>false</HasCalculationLinkbase>
</FilingSummary>
