<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.25.3</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>433</ContextCount>
  <ElementCount>512</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>155</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>8</UnitCount>
  <MyReports>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0000001 - Document - Cover</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/Cover</Role>
      <ShortName>Cover</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>9952151 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEETS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>9952154 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSS</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF REDEEMABLE CONVERTIBLE PREFERRED STOCK, REDEEMABLE COMMON STOCK, AND STOCKHOLDERS??? EQUITY (DEFICIT)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFREDEEMABLECONVERTIBLEPREFERREDSTOCKREDEEMABLECOMMONSTOCKANDSTOCKHOLDERSEQUITYDEFICIT</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF REDEEMABLE CONVERTIBLE PREFERRED STOCK, REDEEMABLE COMMON STOCK, AND STOCKHOLDERS??? EQUITY (DEFICIT)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>9952156 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>9952157 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF REDEEMABLE CONVERTIBLE PREFERRED STOCK, REDEEMABLE COMMON STOCK, AND STOCKHOLDERS??? EQUITY (DEFICIT) (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFREDEEMABLECONVERTIBLEPREFERREDSTOCKREDEEMABLECOMMONSTOCKANDSTOCKHOLDERSEQUITYDEFICITParenthetical</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF REDEEMABLE CONVERTIBLE PREFERRED STOCK, REDEEMABLE COMMON STOCK, AND STOCKHOLDERS??? EQUITY (DEFICIT) (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>9952158 - Disclosure - Overview and Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/OverviewandSummaryofSignificantAccountingPolicies</Role>
      <ShortName>Overview and Summary of Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>9952159 - Disclosure - Revenues</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/Revenues</Role>
      <ShortName>Revenues</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>9952160 - Disclosure - Fair Value Measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/FairValueMeasurements</Role>
      <ShortName>Fair Value Measurements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>9952161 - Disclosure - Business Combinations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/BusinessCombinations</Role>
      <ShortName>Business Combinations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>9952162 - Disclosure - Property and Equipment, Net</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/PropertyandEquipmentNet</Role>
      <ShortName>Property and Equipment, Net</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>9952163 - Disclosure - Goodwill and Intangible Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/GoodwillandIntangibleAssets</Role>
      <ShortName>Goodwill and Intangible Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>9952164 - Disclosure - Condensed Consolidated Balance Sheets Components</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/CondensedConsolidatedBalanceSheetsComponents</Role>
      <ShortName>Condensed Consolidated Balance Sheets Components</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>9952165 - Disclosure - Leases</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/Leases</Role>
      <ShortName>Leases</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>9952166 - Disclosure - Commitment and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/CommitmentandContingencies</Role>
      <ShortName>Commitment and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>9952167 - Disclosure - Debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/Debt</Role>
      <ShortName>Debt</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>9952168 - Disclosure - Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficit</Role>
      <ShortName>Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit)</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>9952169 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/IncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>9952170 - Disclosure - Net Loss Per Share Attributable to Common Stockholders</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/NetLossPerShareAttributabletoCommonStockholders</Role>
      <ShortName>Net Loss Per Share Attributable to Common Stockholders</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>9952171 - Disclosure - Related-Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/RelatedPartyTransactions</Role>
      <ShortName>Related-Party Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>9952172 - Disclosure - Geographic Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/GeographicInformation</Role>
      <ShortName>Geographic Information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>9952173 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/SubsequentEvents</Role>
      <ShortName>Subsequent Events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.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>25</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>9955511 - Disclosure - Overview and Summary of Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/OverviewandSummaryofSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Overview and Summary of Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://coreweave.com/role/OverviewandSummaryofSignificantAccountingPolicies</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>9955512 - Disclosure - Revenue (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/RevenueTables</Role>
      <ShortName>Revenue (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://coreweave.com/role/Revenues</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>9955513 - Disclosure - Fair Value Measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/FairValueMeasurementsTables</Role>
      <ShortName>Fair Value Measurements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://coreweave.com/role/FairValueMeasurements</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>9955514 - Disclosure - Business Combinations (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/BusinessCombinationsTables</Role>
      <ShortName>Business Combinations (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://coreweave.com/role/BusinessCombinations</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>9955515 - Disclosure - Property, Plant, and Equipment (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/PropertyPlantandEquipmentTables</Role>
      <ShortName>Property, Plant, and Equipment (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>9955516 - Disclosure - Goodwill and Intangible Assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/GoodwillandIntangibleAssetsTables</Role>
      <ShortName>Goodwill and Intangible Assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://coreweave.com/role/GoodwillandIntangibleAssets</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>9955517 - Disclosure - Condensed Consolidated Balance Sheets Components (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/CondensedConsolidatedBalanceSheetsComponentsTables</Role>
      <ShortName>Condensed Consolidated Balance Sheets Components (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://coreweave.com/role/CondensedConsolidatedBalanceSheetsComponents</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>9955518 - Disclosure - Leases (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/LeasesTables</Role>
      <ShortName>Leases (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://coreweave.com/role/Leases</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>9955519 - Disclosure - Debt (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/DebtTables</Role>
      <ShortName>Debt (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://coreweave.com/role/Debt</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>9955520 - Disclosure - Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficitTables</Role>
      <ShortName>Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficit</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>9955521 - Disclosure - Net Loss Per Share Attributable to Common Stockholders (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/NetLossPerShareAttributabletoCommonStockholdersTables</Role>
      <ShortName>Net Loss Per Share Attributable to Common Stockholders (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://coreweave.com/role/NetLossPerShareAttributabletoCommonStockholders</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>9955522 - Disclosure - Geographic Information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/GeographicInformationTables</Role>
      <ShortName>Geographic Information (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://coreweave.com/role/GeographicInformation</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>9955523 - Disclosure - Overview and Summary of Significant Accounting Policies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/OverviewandSummaryofSignificantAccountingPoliciesDetails</Role>
      <ShortName>Overview and Summary of Significant Accounting Policies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://coreweave.com/role/OverviewandSummaryofSignificantAccountingPoliciesPolicies</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>9955524 - Disclosure - Revenue - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/RevenueNarrativeDetails</Role>
      <ShortName>Revenue - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>9955525 - Disclosure - Revenue - Concentration Risk (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/RevenueConcentrationRiskDetails</Role>
      <ShortName>Revenue - Concentration Risk (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>9955526 - Disclosure - Revenue - Strategic Customer Agreement (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/RevenueStrategicCustomerAgreementDetails</Role>
      <ShortName>Revenue - Strategic Customer Agreement (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>9955527 - Disclosure - Fair Value Measures - Balance Sheet Grouping (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/FairValueMeasuresBalanceSheetGroupingDetails</Role>
      <ShortName>Fair Value Measures - Balance Sheet Grouping (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>9955528 - Disclosure - Fair Value Measurements - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/FairValueMeasurementsNarrativeDetails</Role>
      <ShortName>Fair Value Measurements - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>9955529 - Disclosure - Fair Value Measures - Schedule Outstanding Interest Rate Swaps and Foreign Exchange Forward Contracts (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/FairValueMeasuresScheduleOutstandingInterestRateSwapsandForeignExchangeForwardContractsDetails</Role>
      <ShortName>Fair Value Measures - Schedule Outstanding Interest Rate Swaps and Foreign Exchange Forward Contracts (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>9955530 - Disclosure - Fair Value Measures - Schedule of Pre-Tax Gain (Loss) Associated With Interest Rate Swaps and Foreign Exchange Forward Contracts (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/FairValueMeasuresScheduleofPreTaxGainLossAssociatedWithInterestRateSwapsandForeignExchangeForwardContractsDetails</Role>
      <ShortName>Fair Value Measures - Schedule of Pre-Tax Gain (Loss) Associated With Interest Rate Swaps and Foreign Exchange Forward Contracts (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>9955531 - Disclosure - Fair Value Measurement - Schedule of Level 3 Fair Value Measurements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/FairValueMeasurementScheduleofLevel3FairValueMeasurementsDetails</Role>
      <ShortName>Fair Value Measurement - Schedule of Level 3 Fair Value Measurements (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>9955532 - Disclosure - Fair Value Measurement - Schedule of Change in Fair Value of Derivative Warrant Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/FairValueMeasurementScheduleofChangeinFairValueofDerivativeWarrantLiabilitiesDetails</Role>
      <ShortName>Fair Value Measurement - Schedule of Change in Fair Value of Derivative Warrant Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>9955533 - Disclosure - Business Combinations - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/BusinessCombinationsNarrativeDetails</Role>
      <ShortName>Business Combinations - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>9955534 - Disclosure - Business Combinations - Schedule of Aggregate Purchase Consideration (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/BusinessCombinationsScheduleofAggregatePurchaseConsiderationDetails</Role>
      <ShortName>Business Combinations - Schedule of Aggregate Purchase Consideration (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>9955535 - Disclosure - Business Combinations - Schedule of Recognized Asset Acquired and Liability (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/BusinessCombinationsScheduleofRecognizedAssetAcquiredandLiabilityDetails</Role>
      <ShortName>Business Combinations - Schedule of Recognized Asset Acquired and Liability (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>9955536 - Disclosure - Business Combinations - Schedule of Intangible Assets and The Estimated Useful Lives (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/BusinessCombinationsScheduleofIntangibleAssetsandTheEstimatedUsefulLivesDetails</Role>
      <ShortName>Business Combinations - Schedule of Intangible Assets and The Estimated Useful Lives (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>9955537 - Disclosure - Property and Equipment, Net (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/PropertyandEquipmentNetDetails</Role>
      <ShortName>Property and Equipment, Net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://coreweave.com/role/PropertyandEquipmentNet</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>9955538 - Disclosure - Property and Equipment, Net - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/PropertyandEquipmentNetNarrativeDetails</Role>
      <ShortName>Property and Equipment, Net - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>9955539 - Disclosure - Goodwill and Intangible Assets - Goodwill Rollforward (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/GoodwillandIntangibleAssetsGoodwillRollforwardDetails</Role>
      <ShortName>Goodwill and Intangible Assets - Goodwill Rollforward (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>9955540 - Disclosure - Goodwill and Intangible Assets - Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/GoodwillandIntangibleAssetsIntangibleAssetsDetails</Role>
      <ShortName>Goodwill and Intangible Assets - Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>9955541 - Disclosure - Goodwill and Intangible Assets - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/GoodwillandIntangibleAssetsNarrativeDetails</Role>
      <ShortName>Goodwill and Intangible Assets - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>9955542 - Disclosure - Goodwill and Intangible Assets - Future Amortization (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/GoodwillandIntangibleAssetsFutureAmortizationDetails</Role>
      <ShortName>Goodwill and Intangible Assets - Future Amortization (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>9955543 - Disclosure - Condensed Consolidated Balance Sheets Components - Prepaid Expenses and Other Current Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/CondensedConsolidatedBalanceSheetsComponentsPrepaidExpensesandOtherCurrentAssetsDetails</Role>
      <ShortName>Condensed Consolidated Balance Sheets Components - Prepaid Expenses and Other Current Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>9955544 - Disclosure - Condensed Consolidated Balance Sheets Components - Other Non-current Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/CondensedConsolidatedBalanceSheetsComponentsOtherNoncurrentAssetsDetails</Role>
      <ShortName>Condensed Consolidated Balance Sheets Components - Other Non-current Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>9955545 - Disclosure - Condensed Consolidated Balance Sheets Components - Accrued Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/CondensedConsolidatedBalanceSheetsComponentsAccruedLiabilitiesDetails</Role>
      <ShortName>Condensed Consolidated Balance Sheets Components - Accrued Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>9955546 - Disclosure - Leases - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/LeasesNarrativeDetails</Role>
      <ShortName>Leases - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>9955547 - Disclosure - Leases - Components of Lease Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/LeasesComponentsofLeaseExpenseDetails</Role>
      <ShortName>Leases - Components of Lease Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>9955548 - Disclosure - Leases - Supplemental Balance Sheet (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/LeasesSupplementalBalanceSheetDetails</Role>
      <ShortName>Leases - Supplemental Balance Sheet (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>9955549 - Disclosure - Leases - Maturity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/LeasesMaturityDetails</Role>
      <ShortName>Leases - Maturity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>9955550 - Disclosure - Commitment and Contingencies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/CommitmentandContingenciesDetails</Role>
      <ShortName>Commitment and Contingencies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://coreweave.com/role/CommitmentandContingencies</ParentRole>
      <Position>65</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>9955551 - Disclosure - Debt - Schedule of Debt (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/DebtScheduleofDebtDetails</Role>
      <ShortName>Debt - Schedule of Debt (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>9955552 - Disclosure - Debt - Maturities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/DebtMaturitiesDetails</Role>
      <ShortName>Debt - Maturities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>9955553 - Disclosure - Debt - Interest Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/DebtInterestExpenseDetails</Role>
      <ShortName>Debt - Interest Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>9955554 - Disclosure - Debt - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/DebtNarrativeDetails</Role>
      <ShortName>Debt - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>9955555 - Disclosure - Debt - Delayed Draw Term Loans (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/DebtDelayedDrawTermLoansDetails</Role>
      <ShortName>Debt - Delayed Draw Term Loans (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>9955556 - Disclosure - Debt - Delayed Draw Term Loan Facility 3.0 (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/DebtDelayedDrawTermLoanFacility30Details</Role>
      <ShortName>Debt - Delayed Draw Term Loan Facility 3.0 (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>9955557 - Disclosure - Debt - Revolving Credit Facility (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/DebtRevolvingCreditFacilityDetails</Role>
      <ShortName>Debt - Revolving Credit Facility (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>9955558 - Disclosure - Debt - 2030 Senior Notes (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://coreweave.com/role/Debt2030SeniorNotesDetails</Role>
      <ShortName>Debt - 2030 Senior Notes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>9955559 - Disclosure - Debt - 2031 Senior Notes (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://coreweave.com/role/Debt2031SeniorNotesDetails</Role>
      <ShortName>Debt - 2031 Senior Notes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>9955560 - Disclosure - Debt - 2024 Term Loan Facility (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/Debt2024TermLoanFacilityDetails</Role>
      <ShortName>Debt - 2024 Term Loan Facility (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>9955561 - Disclosure - Debt - Magnetar Loan (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/DebtMagnetarLoanDetails</Role>
      <ShortName>Debt - Magnetar Loan (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>76</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>9955562 - Disclosure - Debt- 2021 Convertible Senior Secured Notes (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://coreweave.com/role/Debt2021ConvertibleSeniorSecuredNotesDetails</Role>
      <ShortName>Debt- 2021 Convertible Senior Secured Notes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>77</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>9955563 - Disclosure - Debt - OEM Financing Arrangements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/DebtOEMFinancingArrangementsDetails</Role>
      <ShortName>Debt - OEM Financing Arrangements (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>78</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>9955564 - Disclosure - Debt - DCSP Financing Arrangements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/DebtDCSPFinancingArrangementsDetails</Role>
      <ShortName>Debt - DCSP Financing Arrangements (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>79</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>9955565 - Disclosure - Debt - DCSP Financing Obligation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/DebtDCSPFinancingObligationDetails</Role>
      <ShortName>Debt - DCSP Financing Obligation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>80</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>9955566 - Disclosure - Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficitDetails</Role>
      <ShortName>Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficitTables</ParentRole>
      <Position>81</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>9955567 - Disclosure - Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) - Redeemable Shares Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficitRedeemableSharesNarrativeDetails</Role>
      <ShortName>Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) - Redeemable Shares Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficitTables</ParentRole>
      <Position>82</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>9955568 - Disclosure - Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) - Preferred Stock (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficitPreferredStockDetails</Role>
      <ShortName>Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) - Preferred Stock (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficitTables</ParentRole>
      <Position>83</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>9955569 - Disclosure - Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) - Common Stock (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficitCommonStockDetails</Role>
      <ShortName>Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) - Common Stock (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficitTables</ParentRole>
      <Position>84</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>9955570 - Disclosure - Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) - Warrants to Purchase Common Stock (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficitWarrantstoPurchaseCommonStockDetails</Role>
      <ShortName>Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) - Warrants to Purchase Common Stock (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficitTables</ParentRole>
      <Position>85</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>9955571 - Disclosure - Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) - 2019 Stock Option Plan and 2025 Equity Incentive Plan (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficit2019StockOptionPlanand2025EquityIncentivePlanDetails</Role>
      <ShortName>Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) - 2019 Stock Option Plan and 2025 Equity Incentive Plan (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficitTables</ParentRole>
      <Position>86</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>9955572 - Disclosure - Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) - Stock Option Plan Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficitStockOptionPlanActivityDetails</Role>
      <ShortName>Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) - Stock Option Plan Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficitTables</ParentRole>
      <Position>87</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>9955573 - Disclosure - Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) - Employee Stock Purchase Plan (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficitEmployeeStockPurchasePlanDetails</Role>
      <ShortName>Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) - Employee Stock Purchase Plan (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficitTables</ParentRole>
      <Position>88</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>9955574 - Disclosure - Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) - Restricted Stock Units Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficitRestrictedStockUnitsActivityDetails</Role>
      <ShortName>Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) - Restricted Stock Units Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficitTables</ParentRole>
      <Position>89</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>9955575 - Disclosure - Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) - Restricted Stock Awards (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficitRestrictedStockAwardsDetails</Role>
      <ShortName>Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) - Restricted Stock Awards (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficitTables</ParentRole>
      <Position>90</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>9955576 - Disclosure - Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) - Stock-Based Compensation Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficitStockBasedCompensationExpenseDetails</Role>
      <ShortName>Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) - Stock-Based Compensation Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficitTables</ParentRole>
      <Position>91</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>9955577 - Disclosure - Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) - Schedule of Stock-Based Compensation Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficitScheduleofStockBasedCompensationExpenseDetails</Role>
      <ShortName>Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders??? Equity (Deficit) - Schedule of Stock-Based Compensation Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://coreweave.com/role/RedeemableConvertiblePreferredStockRedeemableCommonStockandStockholdersEquityDeficitTables</ParentRole>
      <Position>92</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>9955578 - Disclosure - Income Taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/IncomeTaxesDetails</Role>
      <ShortName>Income Taxes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://coreweave.com/role/IncomeTaxes</ParentRole>
      <Position>93</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>9955579 - Disclosure - Net Loss Per Share Attributable to Common Stockholders - Schedule of Calculation of Basic and Diluted Net Loss per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/NetLossPerShareAttributabletoCommonStockholdersScheduleofCalculationofBasicandDilutedNetLossperShareDetails</Role>
      <ShortName>Net Loss Per Share Attributable to Common Stockholders - Schedule of Calculation of Basic and Diluted Net Loss per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>94</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R95.htm</HtmlFileName>
      <LongName>9955580 - Disclosure - Net Loss Per Share Attributable to Common Stockholders - Antidilutive Shares (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/NetLossPerShareAttributabletoCommonStockholdersAntidilutiveSharesDetails</Role>
      <ShortName>Net Loss Per Share Attributable to Common Stockholders - Antidilutive Shares (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>95</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R96.htm</HtmlFileName>
      <LongName>9955581 - Disclosure - Net Loss Per Share Attributable to Common Stockholders - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/NetLossPerShareAttributabletoCommonStockholdersNarrativeDetails</Role>
      <ShortName>Net Loss Per Share Attributable to Common Stockholders - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://coreweave.com/role/NetLossPerShareAttributabletoCommonStockholdersTables</ParentRole>
      <Position>96</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R97.htm</HtmlFileName>
      <LongName>9955582 - Disclosure - Related-Party Transactions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/RelatedPartyTransactionsDetails</Role>
      <ShortName>Related-Party Transactions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://coreweave.com/role/RelatedPartyTransactions</ParentRole>
      <Position>97</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R98.htm</HtmlFileName>
      <LongName>9955583 - Disclosure - Geographic Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/GeographicInformationDetails</Role>
      <ShortName>Geographic Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://coreweave.com/role/GeographicInformationTables</ParentRole>
      <Position>98</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R99.htm</HtmlFileName>
      <LongName>9955584 - Disclosure - Geographic Information - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/GeographicInformationNarrativeDetails</Role>
      <ShortName>Geographic Information - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>99</Position>
    </Report>
    <Report instance="crwv-20250930.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R100.htm</HtmlFileName>
      <LongName>9955585 - Disclosure - Subsequent Events (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://coreweave.com/role/SubsequentEventsDetails</Role>
      <ShortName>Subsequent Events (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://coreweave.com/role/SubsequentEvents</ParentRole>
      <Position>100</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="crwv-20250930.htm">crwv-20250930.htm</File>
    <File>crwv-20250930.xsd</File>
    <File>crwv-20250930_cal.xml</File>
    <File>crwv-20250930_def.xml</File>
    <File>crwv-20250930_lab.xml</File>
    <File>crwv-20250930_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="1260">http://fasb.org/us-gaap/2025</BaseTaxonomy>
    <BaseTaxonomy items="32">http://xbrl.sec.gov/dei/2025</BaseTaxonomy>
    <BaseTaxonomy items="24">http://xbrl.sec.gov/ecd/2025</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
