<?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"
  xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <link:schemaRef
      xlink:href="https://xbrl.sec.gov/ffd/2026/ffd-2026.xsd"
      xlink:type="simple"/>
    <context id="rc">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000804328</identifier>
        </entity>
        <period>
            <startDate>2026-11-10</startDate>
            <endDate>2026-11-10</endDate>
        </period>
    </context>
    <context id="offrl_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000804328</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
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        </entity>
        <period>
            <startDate>2026-11-10</startDate>
            <endDate>2026-11-10</endDate>
        </period>
    </context>
    <context id="offrl_2">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000804328</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>2</dei:lineNo>
                </xbrldi:typedMember>
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        </entity>
        <period>
            <startDate>2026-11-10</startDate>
            <endDate>2026-11-10</endDate>
        </period>
    </context>
    <context id="offrl_3">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000804328</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>3</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-11-10</startDate>
            <endDate>2026-11-10</endDate>
        </period>
    </context>
    <context id="offrl_4">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000804328</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>4</dei:lineNo>
                </xbrldi:typedMember>
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        </entity>
        <period>
            <startDate>2026-11-10</startDate>
            <endDate>2026-11-10</endDate>
        </period>
    </context>
    <context id="offrl_5">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000804328</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>5</dei:lineNo>
                </xbrldi:typedMember>
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        </entity>
        <period>
            <startDate>2026-11-10</startDate>
            <endDate>2026-11-10</endDate>
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    </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-430">S-3</ffd:FormTp>
    <ffd:SubmissnTp contextRef="rc" id="ixv-431">424B5</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="rc" id="ixv-432">EX-FILING FEES</ffd:FeeExhibitTp>
    <ffd:RegnFileNb contextRef="rc" id="ixv-433">333-283035</ffd:RegnFileNb>
    <dei:EntityCentralIndexKey contextRef="rc" id="ixv-434">0000804328</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-435">QUALCOMM 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:FnlPrspctsFlg contextRef="rc" id="ixv-439">false</ffd:FnlPrspctsFlg>
    <ffd:FormTp contextRef="rc" id="ixv-500">S-3</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-501">QUALCOMM INC/DE</dei:EntityRegistrantName>
    <ffd:PrevslyPdFlg contextRef="offrl_1" id="ixv-502">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_1" id="ixv-503">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_1" id="ixv-504">5.000% Notes due 2028</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_1" id="ixv-505">true</ffd:Rule457rFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_1"
      decimals="0"
      id="ixv-506"
      unitRef="Shares">750000000</ffd:AmtSctiesRegd>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_1"
      decimals="2"
      id="ixv-507"
      unitRef="USD">749692500.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="offrl_1"
      decimals="6"
      id="ixv-508"
      unitRef="pure">0.000087</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_1"
      decimals="2"
      id="ixv-509"
      unitRef="USD">65223.25</ffd:FeeAmt>
    <ffd:PrevslyPdFlg contextRef="offrl_2" id="ixv-510">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_2" id="ixv-511">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_2" id="ixv-512">5.150% Notes due 2029</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_2" id="ixv-513">true</ffd:Rule457rFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_2"
      decimals="0"
      id="ixv-514"
      unitRef="Shares">750000000</ffd:AmtSctiesRegd>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_2"
      decimals="2"
      id="ixv-515"
      unitRef="USD">749430000.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="offrl_2"
      decimals="6"
      id="ixv-516"
      unitRef="pure">0.000087</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_2"
      decimals="2"
      id="ixv-517"
      unitRef="USD">65200.41</ffd:FeeAmt>
    <ffd:PrevslyPdFlg contextRef="offrl_3" id="ixv-518">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_3" id="ixv-519">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_3" id="ixv-520">5.350% Notes due 2031</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_3" id="ixv-521">true</ffd:Rule457rFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_3"
      decimals="0"
      id="ixv-522"
      unitRef="Shares">1000000000</ffd:AmtSctiesRegd>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_3"
      decimals="2"
      id="ixv-523"
      unitRef="USD">998460000.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="offrl_3"
      decimals="6"
      id="ixv-524"
      unitRef="pure">0.000087</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_3"
      decimals="2"
      id="ixv-525"
      unitRef="USD">86866.02</ffd:FeeAmt>
    <ffd:PrevslyPdFlg contextRef="offrl_4" id="ixv-526">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_4" id="ixv-527">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_4" id="ixv-528">5.600% Notes due 2033</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_4" id="ixv-529">true</ffd:Rule457rFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_4"
      decimals="0"
      id="ixv-530"
      unitRef="Shares">750000000</ffd:AmtSctiesRegd>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_4"
      decimals="2"
      id="ixv-531"
      unitRef="USD">748822500.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="offrl_4"
      decimals="6"
      id="ixv-532"
      unitRef="pure">0.000087</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_4"
      decimals="2"
      id="ixv-533"
      unitRef="USD">65147.56</ffd:FeeAmt>
    <ffd:PrevslyPdFlg contextRef="offrl_5" id="ixv-534">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_5" id="ixv-535">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_5" id="ixv-536">5.800% Notes due 2036</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_5" id="ixv-537">true</ffd:Rule457rFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_5"
      decimals="0"
      id="ixv-538"
      unitRef="Shares">750000000</ffd:AmtSctiesRegd>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_5"
      decimals="2"
      id="ixv-539"
      unitRef="USD">749310000.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="offrl_5"
      decimals="6"
      id="ixv-540"
      unitRef="pure">0.000087</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_5"
      decimals="2"
      id="ixv-541"
      unitRef="USD">65189.97</ffd:FeeAmt>
    <ffd:TtlOfferingAmt contextRef="rc" decimals="2" id="ixv-542" unitRef="USD">3995715000.00</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt contextRef="rc" decimals="2" id="ixv-543" unitRef="USD">347627.21</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt contextRef="rc" decimals="2" id="ixv-544" unitRef="USD">0.00</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt contextRef="rc" decimals="2" id="ixv-545" unitRef="USD">0.00</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt contextRef="rc" decimals="2" id="ixv-546" unitRef="USD">347627.21</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="offrl_1" id="ixv-547">Calculated in accordance with Rule 457(r) under the Securities Act of 1933, as amended (the "Securities Act"). Payment of the registration fee at the time of filing of the registrant's registration statement on Form S-3ASR (File No. 333-283035) on November 6, 2024 was deferred pursuant to Rules 456(b) and 457(r) of the Securities Act, and is paid herewith. This registration fee table shall be deemed to update the "Calculation of Registration Fee" table in such registration statement.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_2" id="ixv-548">See Offering Note 1.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_3" id="ixv-549">See Offering Note 1.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_4" id="ixv-550">See Offering Note 1.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_5" id="ixv-551">See Offering Note 1.</ffd:OfferingNote>
</xbrl>
