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    <dei:EntityAddressAddressLine1
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      id="Fact000024">Via Olgettina No. 58</dei:EntityAddressAddressLine1>
    <dei:EntityAddressPostalZipCode
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    <dei:ContactPersonnelName
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      id="Fact000028">Pierluigi Paracchi</dei:ContactPersonnelName>
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      id="Fact000030">pierluigi.paracchi@genenta.com</dei:ContactPersonnelEmailAddress>
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      contextRef="From2023-01-012023-12-31_custom_AmericanDepositarySharesEachAmericanDepositaryShareRepresentingOneOrdinaryShareMember"
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    <dei:SecurityExchangeName
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      contextRef="From2023-01-012023-12-31_custom_OrdinarySharesNoParValueMember"
      id="Fact000034">Ordinary     shares, no par value</dei:Security12bTitle>
    <dei:SecurityExchangeName
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    <dei:EntityFilerCategory contextRef="From2023-01-01to2023-12-31" id="Fact000041">Non-accelerated Filer</dei:EntityFilerCategory>
    <dei:EntityEmergingGrowthCompany contextRef="From2023-01-01to2023-12-31" id="Fact000042">true</dei:EntityEmergingGrowthCompany>
    <dei:EntityExTransitionPeriod contextRef="From2023-01-01to2023-12-31" id="Fact000043">false</dei:EntityExTransitionPeriod>
    <dei:EntityShellCompany contextRef="From2023-01-01to2023-12-31" id="Fact000044">false</dei:EntityShellCompany>
    <dei:AuditorName contextRef="From2023-01-01to2023-12-31" id="Fact000045">Dannible &amp; McKee, LLP</dei:AuditorName>
    <dei:AuditorFirmId contextRef="From2023-01-01to2023-12-31" id="Fact000046">528</dei:AuditorFirmId>
    <dei:AuditorLocation contextRef="From2023-01-01to2023-12-31" id="Fact000047">Syracuse, New York</dei:AuditorLocation>
    <dei:AmendmentDescription contextRef="From2023-01-01to2023-12-31" id="Fact000048">On
March 29, 2024, Genenta Science S.p.A. (the &#x201c;Company&#x201d;) filed its Annual Report on Form 20-F for the fiscal year ended December
31, 2023 (the &#x201c;Original Filing&#x201d;). This Amendment No. 1 (the &#x201c;Amendment&#x201d;) amends the Original Filing solely to
file the consent of the Company&#x2019;s independent registered public accounting firm, Dannible &amp; McKee, LLP (the &#x201c;Auditor
Consent&#x201d;), which was inadvertently omitted in the Original Filing.</dei:AmendmentDescription>
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