<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2026"
  xmlns:ffd="http://xbrl.sec.gov/ffd/2026"
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      xlink:href="https://xbrl.sec.gov/ffd/2026/ffd-2026.xsd"
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    <context id="rc">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000202058</identifier>
        </entity>
        <period>
            <startDate>2026-11-03</startDate>
            <endDate>2026-11-03</endDate>
        </period>
    </context>
    <context id="offrl_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000202058</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
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        <period>
            <startDate>2026-11-03</startDate>
            <endDate>2026-11-03</endDate>
        </period>
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    <context id="offrl_2">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000202058</identifier>
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                <xbrldi:typedMember dimension="ffd:OfferingAxis">
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        </entity>
        <period>
            <startDate>2026-11-03</startDate>
            <endDate>2026-11-03</endDate>
        </period>
    </context>
    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="pure">
        <measure>pure</measure>
    </unit>
    <unit id="Shares">
        <measure>shares</measure>
    </unit>
    <ffd:FormTp contextRef="rc" id="ixv-371">S-3</ffd:FormTp>
    <ffd:SubmissnTp contextRef="rc" id="ixv-372">424B5</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="rc" id="ixv-373">EX-FILING FEES</ffd:FeeExhibitTp>
    <ffd:RegnFileNb contextRef="rc" id="ixv-374">333-293429</ffd:RegnFileNb>
    <dei:EntityCentralIndexKey contextRef="rc" id="ixv-375">0000202058</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-376">L3HARRIS TECHNOLOGIES, INC. /DE/</dei:EntityRegistrantName>
    <ffd:OfferingTableNa contextRef="rc" id="hiddenrcOfferingTableNa" xsi:nil="true"/>
    <ffd:OffsetTableNa contextRef="rc" id="hiddenrcOffsetTableNa">N/A</ffd:OffsetTableNa>
    <ffd:CombinedProspectusTableNa contextRef="rc" id="hiddenrcCombinedProspectusTableNa">N/A</ffd:CombinedProspectusTableNa>
    <ffd:FormTp contextRef="rc" id="ixv-413">S-3</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-414">L3HARRIS TECHNOLOGIES, INC. /DE/</dei:EntityRegistrantName>
    <ffd:PrevslyPdFlg contextRef="offrl_1" id="ixv-415">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_1" id="ixv-416">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_1" id="ixv-417">5.200% Notes due 2029</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_1" id="ixv-418">true</ffd:Rule457rFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_1"
      decimals="0"
      id="ixv-419"
      unitRef="Shares">500000000</ffd:AmtSctiesRegd>
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      contextRef="offrl_1"
      decimals="5"
      id="ixv-420"
      unitRef="USD">0.99951</ffd:MaxOfferingPricPerScty>
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      contextRef="offrl_1"
      decimals="2"
      id="ixv-421"
      unitRef="USD">499755000.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="offrl_1"
      decimals="6"
      id="ixv-422"
      unitRef="pure">0.000087</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_1"
      decimals="2"
      id="ixv-423"
      unitRef="USD">43478.68</ffd:FeeAmt>
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    <ffd:OfferingSctyTp contextRef="offrl_2" id="ixv-425">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_2" id="ixv-426">5.400% Notes due 2032</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_2" id="ixv-427">true</ffd:Rule457rFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_2"
      decimals="0"
      id="ixv-428"
      unitRef="Shares">500000000</ffd:AmtSctiesRegd>
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      contextRef="offrl_2"
      decimals="5"
      id="ixv-429"
      unitRef="USD">0.99813</ffd:MaxOfferingPricPerScty>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_2"
      decimals="2"
      id="ixv-430"
      unitRef="USD">499065000.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="offrl_2"
      decimals="6"
      id="ixv-431"
      unitRef="pure">0.000087</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_2"
      decimals="2"
      id="ixv-432"
      unitRef="USD">43418.65</ffd:FeeAmt>
    <ffd:TtlOfferingAmt contextRef="rc" decimals="2" id="ixv-433" unitRef="USD">998820000.00</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt contextRef="rc" decimals="2" id="ixv-434" unitRef="USD">86897.33</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt contextRef="rc" decimals="2" id="ixv-435" unitRef="USD">0.00</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt contextRef="rc" decimals="2" id="ixv-436" unitRef="USD">0.00</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt contextRef="rc" decimals="2" id="ixv-437" unitRef="USD">86897.33</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="offrl_1" id="ixv-438">The registration fee is calculated in accordance with Rule 457(r) under the Securities Act of 1933, as amended, or the Securities Act. This "Calculation of Filing Fee Tables" shall be deemed to update the "Calculation of Filing Fee Tables" in the registrant's Registration Statement on Form S-3 (No. 333-293429), in accordance with Rules 456(b) and 457(r) under the Securities Act. The prospectus supplement to which this filing fee table is attached is a final prospectus for the related offering.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_2" id="ixv-439">See Offering Note 1.</ffd:OfferingNote>
    <ffd:NrrtvMaxAggtOfferingPric contextRef="rc" decimals="2" id="ixv-440" unitRef="USD">998820000.00</ffd:NrrtvMaxAggtOfferingPric>
    <ffd:FnlPrspctsFlg contextRef="rc" id="ixv-441">true</ffd:FnlPrspctsFlg>
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