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        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001435064</identifier>
        </entity>
        <period>
            <startDate>2026-07-01</startDate>
            <endDate>2026-07-01</endDate>
        </period>
    </context>
    <dei:AmendmentFlag contextRef="AsOf2026-07-01" id="Fact000003">true</dei:AmendmentFlag>
    <dei:EntityCentralIndexKey contextRef="AsOf2026-07-01" id="Fact000004">0001435064</dei:EntityCentralIndexKey>
    <dei:DocumentType contextRef="AsOf2026-07-01" id="Fact000009">8-K/A</dei:DocumentType>
    <dei:DocumentPeriodEndDate contextRef="AsOf2026-07-01" id="Fact000010">2026-07-01</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName contextRef="AsOf2026-07-01" id="Fact000011">Cemtrex Inc.</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode contextRef="AsOf2026-07-01" id="Fact000012">DE</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber contextRef="AsOf2026-07-01" id="Fact000013">001-37464</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber contextRef="AsOf2026-07-01" id="Fact000014">30-0399914</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1 contextRef="AsOf2026-07-01" id="Fact000015">135                                             Fell Court</dei:EntityAddressAddressLine1>
    <dei:EntityAddressCityOrTown contextRef="AsOf2026-07-01" id="Fact000016">Hauppauge</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince contextRef="AsOf2026-07-01" id="Fact000017">NY</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode contextRef="AsOf2026-07-01" id="Fact000018">11788</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode contextRef="AsOf2026-07-01" id="Fact000019">(631)</dei:CityAreaCode>
    <dei:LocalPhoneNumber contextRef="AsOf2026-07-01" id="Fact000020">756-9116</dei:LocalPhoneNumber>
    <dei:WrittenCommunications contextRef="AsOf2026-07-01" id="Fact000021">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial contextRef="AsOf2026-07-01" id="Fact000022">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer contextRef="AsOf2026-07-01" id="Fact000023">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer contextRef="AsOf2026-07-01" id="Fact000024">false</dei:PreCommencementIssuerTenderOffer>
    <dei:EntityEmergingGrowthCompany contextRef="AsOf2026-07-01" id="Fact000025">false</dei:EntityEmergingGrowthCompany>
    <dei:Security12bTitle contextRef="AsOf2026-07-01" id="Fact000026">Common     Stock</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="AsOf2026-07-01" id="Fact000027">CETX</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="AsOf2026-07-01" id="Fact000028">NASDAQ</dei:SecurityExchangeName>
    <dei:AmendmentDescription contextRef="AsOf2026-07-01" id="Fact000029">On
July 6, 2026, Cemtrex, Inc. (the &#x201c;Company&#x201d;) filed its Current Report on Form 8-K (the &#x201c;Original Form 8-K&#x201d;) with
the U.S. Securities and Exchange Commission (the &#x201c;SEC&#x201d;) to report that the Company (the &#x201c;Buyer&#x201d;), completed the
previously announced acquisition of substantially all of the assets of Plant Engineering Services, Inc, an Indiana corporation (&#x201c;PES&#x201d;)
pursuant to an Asset Purchase Agreement dated July 1, 2026 (the &#x201c;Asset Purchase Agreement&#x201d;) by and among AIS Engineering,
Inc., a newly formed wholly owned subsidiary of AIS (&#x201c;Buyer&#x201d;), PES, and Mark Bohler, an individual residing in state of Indiana
(&#x201c;the &#x201c;Owner&#x201d; and collectively with the PES, the &#x201c;Seller Parties&#x201d;).</dei:AmendmentDescription>
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