<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2025"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:pep="http://pepsico.com/20260522"
  xmlns:us-gaap="http://fasb.org/us-gaap/2025"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="pep-20260522.xsd" xlink:type="simple"/>
    <context id="AsOf2026-05-22">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000077476</identifier>
        </entity>
        <period>
            <startDate>2026-05-22</startDate>
            <endDate>2026-05-22</endDate>
        </period>
    </context>
    <context id="From2026-05-222026-05-22_custom_Commonstockparvalue123centspershareMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000077476</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CapitalUnitsByClassAxis">pep:Commonstockparvalue123centspershareMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-22</startDate>
            <endDate>2026-05-22</endDate>
        </period>
    </context>
    <context id="From2026-05-222026-05-22_custom_ZeroPointSevenFivePercentNotesDue2027Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000077476</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CapitalUnitsByClassAxis">pep:ZeroPointSevenFivePercentNotesDue2027Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-22</startDate>
            <endDate>2026-05-22</endDate>
        </period>
    </context>
    <context id="From2026-05-222026-05-22_custom_ZeroPointEightSevenFivePercentNotesDue2028Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000077476</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CapitalUnitsByClassAxis">pep:ZeroPointEightSevenFivePercentNotesDue2028Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-22</startDate>
            <endDate>2026-05-22</endDate>
        </period>
    </context>
    <context id="From2026-05-222026-05-22_custom_ZeroPointFivePercentNotesDue2028Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000077476</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CapitalUnitsByClassAxis">pep:ZeroPointFivePercentNotesDue2028Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-22</startDate>
            <endDate>2026-05-22</endDate>
        </period>
    </context>
    <context id="From2026-05-222026-05-22_custom_FloatingRateNotesDue2028Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000077476</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CapitalUnitsByClassAxis">pep:FloatingRateNotesDue2028Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-22</startDate>
            <endDate>2026-05-22</endDate>
        </period>
    </context>
    <context id="From2026-05-222026-05-22_custom_ThreePointTwoPercentNotesDue2029Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000077476</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CapitalUnitsByClassAxis">pep:ThreePointTwoPercentNotesDue2029Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-22</startDate>
            <endDate>2026-05-22</endDate>
        </period>
    </context>
    <context id="From2026-05-222026-05-22_custom_OnePointOneTwoFivePercentNotesDue2031Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000077476</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CapitalUnitsByClassAxis">pep:OnePointOneTwoFivePercentNotesDue2031Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-22</startDate>
            <endDate>2026-05-22</endDate>
        </period>
    </context>
    <context id="From2026-05-222026-05-22_custom_ZeroPointFourPercentNotesDue2032Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000077476</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CapitalUnitsByClassAxis">pep:ZeroPointFourPercentNotesDue2032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-22</startDate>
            <endDate>2026-05-22</endDate>
        </period>
    </context>
    <context id="From2026-05-222026-05-22_custom_ZeroPointSevenFivePercentNotesDue2033Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000077476</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CapitalUnitsByClassAxis">pep:ZeroPointSevenFivePercentNotesDue2033Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-22</startDate>
            <endDate>2026-05-22</endDate>
        </period>
    </context>
    <context id="From2026-05-222026-05-22_custom_ThreePointFiveFivePercentNotesDue2034Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000077476</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CapitalUnitsByClassAxis">pep:ThreePointFiveFivePercentNotesDue2034Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-22</startDate>
            <endDate>2026-05-22</endDate>
        </period>
    </context>
    <context id="From2026-05-222026-05-22_custom_ThreePointThreeZeroZeroPercentNotesDue2034Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000077476</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CapitalUnitsByClassAxis">pep:ThreePointThreeZeroZeroPercentNotesDue2034Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-22</startDate>
            <endDate>2026-05-22</endDate>
        </period>
    </context>
    <context id="From2026-05-222026-05-22_custom_ThreePointFourFiveZeroPercentNotesDue2037Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000077476</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CapitalUnitsByClassAxis">pep:ThreePointFourFiveZeroPercentNotesDue2037Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-22</startDate>
            <endDate>2026-05-22</endDate>
        </period>
    </context>
    <context id="From2026-05-222026-05-22_custom_ThreePointSevenZeroZeroPercentNotesDue2038Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000077476</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CapitalUnitsByClassAxis">pep:ThreePointSevenZeroZeroPercentNotesDue2038Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-22</startDate>
            <endDate>2026-05-22</endDate>
        </period>
    </context>
    <context id="From2026-05-222026-05-22_custom_ZeroPointEightSevenFiveNotesDue2039Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000077476</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CapitalUnitsByClassAxis">pep:ZeroPointEightSevenFiveNotesDue2039Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-22</startDate>
            <endDate>2026-05-22</endDate>
        </period>
    </context>
    <context id="From2026-05-222026-05-22_custom_FourPointOneFiveZeroPercentNotesDue2047Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000077476</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CapitalUnitsByClassAxis">pep:FourPointOneFiveZeroPercentNotesDue2047Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-22</startDate>
            <endDate>2026-05-22</endDate>
        </period>
    </context>
    <context id="From2026-05-222026-05-22_custom_OnePointZeroFivePercentNotesDue2050Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000077476</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CapitalUnitsByClassAxis">pep:OnePointZeroFivePercentNotesDue2050Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-22</startDate>
            <endDate>2026-05-22</endDate>
        </period>
    </context>
    <context id="From2026-05-222026-05-22_custom_FourPointZeroFiveZeroPercentNotesDue2055Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000077476</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CapitalUnitsByClassAxis">pep:FourPointZeroFiveZeroPercentNotesDue2055Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-22</startDate>
            <endDate>2026-05-22</endDate>
        </period>
    </context>
    <dei:AmendmentFlag contextRef="AsOf2026-05-22" id="Fact000003">false</dei:AmendmentFlag>
    <dei:EntityCentralIndexKey contextRef="AsOf2026-05-22" id="Fact000004">0000077476</dei:EntityCentralIndexKey>
    <dei:DocumentType contextRef="AsOf2026-05-22" id="Fact000010">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate contextRef="AsOf2026-05-22" id="Fact000011">2026-05-22</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName contextRef="AsOf2026-05-22" id="Fact000012">PepsiCo, Inc.</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode contextRef="AsOf2026-05-22" id="Fact000013">NC</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber contextRef="AsOf2026-05-22" id="Fact000014">1-1183</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber contextRef="AsOf2026-05-22" id="Fact000015">13-1584302</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1 contextRef="AsOf2026-05-22" id="Fact000016">700 Anderson Hill Road</dei:EntityAddressAddressLine1>
    <dei:EntityAddressCityOrTown contextRef="AsOf2026-05-22" id="Fact000017">Purchase</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince contextRef="AsOf2026-05-22" id="Fact000018">NY</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode contextRef="AsOf2026-05-22" id="Fact000019">10577</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode contextRef="AsOf2026-05-22" id="Fact000020">914</dei:CityAreaCode>
    <dei:LocalPhoneNumber contextRef="AsOf2026-05-22" id="Fact000021">253-2000</dei:LocalPhoneNumber>
    <dei:WrittenCommunications contextRef="AsOf2026-05-22" id="Fact000022">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial contextRef="AsOf2026-05-22" id="Fact000023">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer contextRef="AsOf2026-05-22" id="Fact000024">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer contextRef="AsOf2026-05-22" id="Fact000025">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle
      contextRef="From2026-05-222026-05-22_custom_Commonstockparvalue123centspershareMember"
      id="Fact000026">Common Stock, par value 1-2/3 cents per share</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="From2026-05-222026-05-22_custom_Commonstockparvalue123centspershareMember"
      id="Fact000027">PEP</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="From2026-05-222026-05-22_custom_Commonstockparvalue123centspershareMember"
      id="Fact000028">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="From2026-05-222026-05-22_custom_ZeroPointSevenFivePercentNotesDue2027Member"
      id="Fact000029">0.750% Senior Notes due 2027</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="From2026-05-222026-05-22_custom_ZeroPointSevenFivePercentNotesDue2027Member"
      id="Fact000030">PEP27</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="From2026-05-222026-05-22_custom_ZeroPointSevenFivePercentNotesDue2027Member"
      id="Fact000031">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="From2026-05-222026-05-22_custom_ZeroPointEightSevenFivePercentNotesDue2028Member"
      id="Fact000032">0.875% Senior Notes due 2028</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="From2026-05-222026-05-22_custom_ZeroPointEightSevenFivePercentNotesDue2028Member"
      id="Fact000033">PEP28</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="From2026-05-222026-05-22_custom_ZeroPointEightSevenFivePercentNotesDue2028Member"
      id="Fact000034">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="From2026-05-222026-05-22_custom_ZeroPointFivePercentNotesDue2028Member"
      id="Fact000035">0.500% Senior Notes due 2028</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="From2026-05-222026-05-22_custom_ZeroPointFivePercentNotesDue2028Member"
      id="Fact000036">PEP28A</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="From2026-05-222026-05-22_custom_ZeroPointFivePercentNotesDue2028Member"
      id="Fact000037">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="From2026-05-222026-05-22_custom_FloatingRateNotesDue2028Member"
      id="Fact000038">Floating Rate Notes due 2028</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="From2026-05-222026-05-22_custom_FloatingRateNotesDue2028Member"
      id="Fact000039">PEP28B</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="From2026-05-222026-05-22_custom_FloatingRateNotesDue2028Member"
      id="Fact000040">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="From2026-05-222026-05-22_custom_ThreePointTwoPercentNotesDue2029Member"
      id="Fact000041">3.200% Senior Notes due 2029</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="From2026-05-222026-05-22_custom_ThreePointTwoPercentNotesDue2029Member"
      id="Fact000042">PEP29</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="From2026-05-222026-05-22_custom_ThreePointTwoPercentNotesDue2029Member"
      id="Fact000043">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="From2026-05-222026-05-22_custom_OnePointOneTwoFivePercentNotesDue2031Member"
      id="Fact000044">1.125% Senior Notes due 2031</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="From2026-05-222026-05-22_custom_OnePointOneTwoFivePercentNotesDue2031Member"
      id="Fact000045">PEP31</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="From2026-05-222026-05-22_custom_OnePointOneTwoFivePercentNotesDue2031Member"
      id="Fact000046">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="From2026-05-222026-05-22_custom_ZeroPointFourPercentNotesDue2032Member"
      id="Fact000047">0.400% Senior Notes due 2032</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="From2026-05-222026-05-22_custom_ZeroPointFourPercentNotesDue2032Member"
      id="Fact000048">PEP32</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="From2026-05-222026-05-22_custom_ZeroPointFourPercentNotesDue2032Member"
      id="Fact000049">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="From2026-05-222026-05-22_custom_ZeroPointSevenFivePercentNotesDue2033Member"
      id="Fact000050">0.750% Senior Notes due 2033</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="From2026-05-222026-05-22_custom_ZeroPointSevenFivePercentNotesDue2033Member"
      id="Fact000051">PEP33</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="From2026-05-222026-05-22_custom_ZeroPointSevenFivePercentNotesDue2033Member"
      id="Fact000052">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="From2026-05-222026-05-22_custom_ThreePointFiveFivePercentNotesDue2034Member"
      id="Fact000053">3.550% Senior Notes due 2034</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="From2026-05-222026-05-22_custom_ThreePointFiveFivePercentNotesDue2034Member"
      id="Fact000054">PEP34</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="From2026-05-222026-05-22_custom_ThreePointFiveFivePercentNotesDue2034Member"
      id="Fact000055">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="From2026-05-222026-05-22_custom_ThreePointThreeZeroZeroPercentNotesDue2034Member"
      id="Fact000056">3.300% Senior Notes due 2034</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="From2026-05-222026-05-22_custom_ThreePointThreeZeroZeroPercentNotesDue2034Member"
      id="Fact000057">PEP34A</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="From2026-05-222026-05-22_custom_ThreePointThreeZeroZeroPercentNotesDue2034Member"
      id="Fact000058">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="From2026-05-222026-05-22_custom_ThreePointFourFiveZeroPercentNotesDue2037Member"
      id="Fact000059">3.450% Senior Notes due 2037</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="From2026-05-222026-05-22_custom_ThreePointFourFiveZeroPercentNotesDue2037Member"
      id="Fact000060">PEP37</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="From2026-05-222026-05-22_custom_ThreePointFourFiveZeroPercentNotesDue2037Member"
      id="Fact000061">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="From2026-05-222026-05-22_custom_ThreePointSevenZeroZeroPercentNotesDue2038Member"
      id="Fact000062">3.700% Senior Notes due 2038</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="From2026-05-222026-05-22_custom_ThreePointSevenZeroZeroPercentNotesDue2038Member"
      id="Fact000063">PEP38</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="From2026-05-222026-05-22_custom_ThreePointSevenZeroZeroPercentNotesDue2038Member"
      id="Fact000064">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="From2026-05-222026-05-22_custom_ZeroPointEightSevenFiveNotesDue2039Member"
      id="Fact000065">0.875% Senior Notes due 2039</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="From2026-05-222026-05-22_custom_ZeroPointEightSevenFiveNotesDue2039Member"
      id="Fact000066">PEP39</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="From2026-05-222026-05-22_custom_ZeroPointEightSevenFiveNotesDue2039Member"
      id="Fact000067">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="From2026-05-222026-05-22_custom_FourPointOneFiveZeroPercentNotesDue2047Member"
      id="Fact000068">4.150% Senior Notes due 2047</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="From2026-05-222026-05-22_custom_FourPointOneFiveZeroPercentNotesDue2047Member"
      id="Fact000069">PEP47</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="From2026-05-222026-05-22_custom_FourPointOneFiveZeroPercentNotesDue2047Member"
      id="Fact000070">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="From2026-05-222026-05-22_custom_OnePointZeroFivePercentNotesDue2050Member"
      id="Fact000071">1.050% Senior Notes due 2050</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="From2026-05-222026-05-22_custom_OnePointZeroFivePercentNotesDue2050Member"
      id="Fact000072">PEP50</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="From2026-05-222026-05-22_custom_OnePointZeroFivePercentNotesDue2050Member"
      id="Fact000073">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="From2026-05-222026-05-22_custom_FourPointZeroFiveZeroPercentNotesDue2055Member"
      id="Fact000074">4.050% Senior Notes due 2055</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="From2026-05-222026-05-22_custom_FourPointZeroFiveZeroPercentNotesDue2055Member"
      id="Fact000075">PEP55</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="From2026-05-222026-05-22_custom_FourPointZeroFiveZeroPercentNotesDue2055Member"
      id="Fact000076">NASDAQ</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany contextRef="AsOf2026-05-22" id="Fact000077">false</dei:EntityEmergingGrowthCompany>
</xbrl>
