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    <ffd:SubmissnTp contextRef="rc" id="ixv-427">S-3</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="rc" id="ixv-428">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="rc" id="ixv-429">0002032545</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-430">CALLAN JMB INC.</dei:EntityRegistrantName>
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    <ffd:FeeRate
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      id="ixv-436"
      unitRef="pure">0.0001381</ffd:FeeRate>
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      contextRef="offrl_4"
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      id="ixv-437"
      unitRef="pure">0.0001381</ffd:FeeRate>
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      decimals="7"
      id="ixv-438"
      unitRef="pure">0.0001381</ffd:FeeRate>
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      decimals="7"
      id="ixv-439"
      unitRef="pure">0.0001381</ffd:FeeRate>
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    <dei:EntityRegistrantName contextRef="rc" id="ixv-519">CALLAN JMB INC.</dei:EntityRegistrantName>
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    <ffd:Rule457oFlg contextRef="offrl_1" id="ixv-522">true</ffd:Rule457oFlg>
    <ffd:OfferingSctyTp contextRef="offrl_2" id="ixv-523">Equity</ffd:OfferingSctyTp>
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    <ffd:OfferingSctyTitl contextRef="offrl_3" id="ixv-527">Debt Securities</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="offrl_3" id="ixv-528">true</ffd:Rule457oFlg>
    <ffd:OfferingSctyTp contextRef="offrl_4" id="ixv-529">Other</ffd:OfferingSctyTp>
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    <ffd:Rule457oFlg contextRef="offrl_4" id="ixv-531">true</ffd:Rule457oFlg>
    <ffd:OfferingSctyTp contextRef="offrl_5" id="ixv-532">Other</ffd:OfferingSctyTp>
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    <ffd:OfferingSctyTp contextRef="offrl_6" id="ixv-535">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_6" id="ixv-536">Units</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="offrl_6" id="ixv-537">true</ffd:Rule457oFlg>
    <ffd:PrevslyPdFlg contextRef="offrl_7" id="ixv-538">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_7" id="ixv-539">Unallocated (Universal) Shelf</ffd:OfferingSctyTp>
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    <ffd:MaxAggtOfferingPric
      contextRef="offrl_7"
      decimals="2"
      id="ixv-541"
      unitRef="USD">200000000.00</ffd:MaxAggtOfferingPric>
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      contextRef="offrl_7"
      decimals="7"
      id="ixv-542"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_7"
      decimals="2"
      id="ixv-543"
      unitRef="USD">27620.00</ffd:FeeAmt>
    <ffd:TtlOfferingAmt contextRef="rc" decimals="2" id="ixv-544" unitRef="USD">200000000.00</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt contextRef="rc" decimals="2" id="ixv-545" unitRef="USD">27620.00</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt contextRef="rc" decimals="2" id="ixv-546" unitRef="USD">0.00</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt contextRef="rc" decimals="2" id="ixv-547" unitRef="USD">0.00</ffd:TtlOffsetAmt>
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    <ffd:OfferingNote contextRef="offrl_7" id="ixv-549">There are being registered under this registration statement such indeterminate number of shares of common stock and preferred stock, such indeterminate principal amount of debt securities, and such indeterminate number of warrants, right and units, and a combination of such securities, as may be sold by the registrant from time to time, which collectively shall have an aggregate initial offering price not to exceed $200,000,000. Any securities registered hereunder may be sold separately or as units with other securities registered hereunder. The securities registered hereunder also include such indeterminate number of each class of identified securities as may be issued upon conversion, exercise or exchange of any other securities that provide for such conversion into, exercise for or exchange into such securities, or pursuant to the anti-dilution provisions of any of such securities. Separate consideration may or may not be received for securities that are issuable on exercise, conversion or exchange of other securities. In addition, pursuant to Rule 416 under the Securities Act of 1933, as amended, or the Securities Act, this registration statement also covers any additional securities that may be offered or issued in connection with any stock splits, stock dividends or similar transactions. The proposed maximum offering price per unit will be determined from time to time by the registrant in connection with the sale of the securities under this registration statement.</ffd:OfferingNote>
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