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      xlink:href="https://xbrl.sec.gov/ffd/2025/ffd-2025.xsd"
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        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0002033770</identifier>
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        <period>
            <startDate>2025-11-24</startDate>
            <endDate>2025-11-24</endDate>
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        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0002033770</identifier>
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        <period>
            <startDate>2025-11-24</startDate>
            <endDate>2025-11-24</endDate>
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    <unit id="USD">
        <measure>iso4217:USD</measure>
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    <unit id="pure">
        <measure>pure</measure>
    </unit>
    <unit id="shares">
        <measure>shares</measure>
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    <ffd:SubmissnTp contextRef="c_report" id="fee_001">S-8</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="c_report" id="fee_002">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="c_report" id="fee_003">0002033770</dei:EntityCentralIndexKey>
    <ffd:PrevslyPdFlg contextRef="c_offering_1" id="fee_004">false</ffd:PrevslyPdFlg>
    <ffd:OfferingTableNa contextRef="c_report" id="fee_005" xsi:nil="true"/>
    <ffd:OffsetTableNa contextRef="c_report" id="fee_006">N/A</ffd:OffsetTableNa>
    <ffd:FormTp contextRef="c_report" id="fee_007">S-8</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="c_report" id="fee_008">CID HoldCo, Inc.</dei:EntityRegistrantName>
    <ffd:OfferingSctyTp contextRef="c_offering_1" id="fee_009">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_1" id="fee_010">Common Stock</ffd:OfferingSctyTitl>
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      contextRef="c_offering_1"
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      contextRef="c_offering_1"
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      contextRef="c_offering_1"
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      contextRef="c_offering_1"
      decimals="INF"
      id="fee_016"
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      unitRef="USD">3054879.06</ffd:TtlOfferingAmt>
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      contextRef="c_report"
      decimals="INF"
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      unitRef="USD">421.88</ffd:TtlFeeAmt>
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      contextRef="c_report"
      decimals="INF"
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      unitRef="USD">0.00</ffd:TtlOffsetAmt>
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      contextRef="c_report"
      decimals="INF"
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      unitRef="USD">421.88</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="c_offering_1" id="fee_021">Pursuant to Rule 416 under the Securities Act of 1933, as amended (the &#x201c;Securities Act&#x201d;), this Registration Statement shall also cover additional shares of common stock, par value $0.001 per share, of CID HoldCo, Inc. (the &#x201c;Company&#x201d;), which may become issuable by reason of any stock split, stock dividend, recapitalization or other similar transaction effected without consideration which results in an increase in the number of the Company&#x2019;s outstanding shares of common stock.&lt;br/&gt;&lt;br/&gt;Estimated solely for purposes of calculating the registration fee pursuant to Rule 457(c) and (h) of the Securities Act. The proposed maximum offering price per share, proposed maximum aggregate offering price and the amount of the registration fee are based on the average of the high and low prices for the common stock as reported on the Nasdaq National Market LLC on November 21, 2025.&lt;br/&gt;&lt;br/&gt;Represents additional shares of common stock of the Company issuable under SEE ID, Inc. 2021 Equity Incentive Plan, as may be amended or restated from time to time (the &#x201c;Plan&#x201d;). Shares of common stock issuable under the Plan include awards of stock options, stock appreciation rights, restricted stock, restricted stock units, performance awards and other stock-based awards.&lt;br/&gt;</ffd:OfferingNote>
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