<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:CDT="http://cdtequity.com/20260219"
  xmlns:dei="http://xbrl.sec.gov/dei/2026"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:us-gaap="http://fasb.org/us-gaap/2026"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="cdt-20260219.xsd" xlink:type="simple"/>
    <context id="AsOf2026-02-19">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001896212</identifier>
        </entity>
        <period>
            <startDate>2026-02-19</startDate>
            <endDate>2026-02-19</endDate>
        </period>
    </context>
    <context id="From2026-02-192026-02-19_custom_CommonStock0.0001ParValuePerShareMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001896212</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">CDT:CommonStock0.0001ParValuePerShareMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-02-19</startDate>
            <endDate>2026-02-19</endDate>
        </period>
    </context>
    <context id="From2026-02-192026-02-19_custom_RedeemableWarrantsEachWholeWarrantExercisableForOneShareOfCommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001896212</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">CDT:RedeemableWarrantsEachWholeWarrantExercisableForOneShareOfCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-02-19</startDate>
            <endDate>2026-02-19</endDate>
        </period>
    </context>
    <dei:AmendmentFlag contextRef="AsOf2026-02-19" id="Fact000003">true</dei:AmendmentFlag>
    <dei:EntityCentralIndexKey contextRef="AsOf2026-02-19" id="Fact000004">0001896212</dei:EntityCentralIndexKey>
    <dei:DocumentType contextRef="AsOf2026-02-19" id="Fact000009">8-K/A</dei:DocumentType>
    <dei:DocumentPeriodEndDate contextRef="AsOf2026-02-19" id="Fact000010">2026-02-19</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName contextRef="AsOf2026-02-19" id="Fact000011">CDT Equity Inc.</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode contextRef="AsOf2026-02-19" id="Fact000012">DE</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber contextRef="AsOf2026-02-19" id="Fact000013">001-41245</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber contextRef="AsOf2026-02-19" id="Fact000014">87-3272543</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1 contextRef="AsOf2026-02-19" id="Fact000015">4851     Tamiami Trail North</dei:EntityAddressAddressLine1>
    <dei:EntityAddressAddressLine2 contextRef="AsOf2026-02-19" id="Fact000016">Suite 200</dei:EntityAddressAddressLine2>
    <dei:EntityAddressCityOrTown contextRef="AsOf2026-02-19" id="Fact000017">Naples</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince contextRef="AsOf2026-02-19" id="Fact000018">FL</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode contextRef="AsOf2026-02-19" id="Fact000019">34103</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode contextRef="AsOf2026-02-19" id="Fact000020">(646)</dei:CityAreaCode>
    <dei:LocalPhoneNumber contextRef="AsOf2026-02-19" id="Fact000021">491-9132</dei:LocalPhoneNumber>
    <dei:WrittenCommunications contextRef="AsOf2026-02-19" id="Fact000022">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial contextRef="AsOf2026-02-19" id="Fact000023">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer contextRef="AsOf2026-02-19" id="Fact000024">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer contextRef="AsOf2026-02-19" id="Fact000025">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle
      contextRef="From2026-02-192026-02-19_custom_CommonStock0.0001ParValuePerShareMember"
      id="Fact000026">Common Stock, $0.0001 par     value per share</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="From2026-02-192026-02-19_custom_CommonStock0.0001ParValuePerShareMember"
      id="Fact000027">CDT</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="From2026-02-192026-02-19_custom_CommonStock0.0001ParValuePerShareMember"
      id="Fact000028">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="From2026-02-192026-02-19_custom_RedeemableWarrantsEachWholeWarrantExercisableForOneShareOfCommonStockMember"
      id="Fact000029">Redeemable Warrants, each     whole warrant exercisable for one share of Common Stock</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="From2026-02-192026-02-19_custom_RedeemableWarrantsEachWholeWarrantExercisableForOneShareOfCommonStockMember"
      id="Fact000030">CDTTW</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="From2026-02-192026-02-19_custom_RedeemableWarrantsEachWholeWarrantExercisableForOneShareOfCommonStockMember"
      id="Fact000031">NASDAQ</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany contextRef="AsOf2026-02-19" id="Fact000032">true</dei:EntityEmergingGrowthCompany>
    <dei:EntityExTransitionPeriod contextRef="AsOf2026-02-19" id="Fact000033">false</dei:EntityExTransitionPeriod>
    <dei:AmendmentDescription contextRef="AsOf2026-02-19" id="Fact000034">This
Amendment No. 1 (the &#x201c;Amendment No. 1&#x201d;) to CDT Equity Inc.&#x2019;s (the &#x201c;Company&#x201d;) Current Report on Form 8-K
dated February 19, 2026 and filed on February 24, 2026 (the &#x201c;Original Report&#x201d;) is being filed with respect to the initial
investment in Sarborg Limited, a Cayman Islands Company (&#x201c;Sarborg&#x201d;) to include Item 2.01, the audited financial statements
of business acquired required by Item 9.01(a), and unaudited pro forma consolidated financial information required by Item 9.01(b). Such
information should be read in conjunction with the Original Report. Except as expressly set forth herein, this Amendment No. 1 does not
amend, modify, or update any other information contained in the Original Report, and this Amendment No. 1 speaks as of the date hereof.</dei:AmendmentDescription>
</xbrl>
