<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2025"
  xmlns:jpm="http://www.jpmorganchase.com/20260205"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  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="jpm-20260205.xsd" xlink:type="simple"/>
    <context id="duration_2026-02-05_to_2026-02-05">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000019617</identifier>
        </entity>
        <period>
            <startDate>2026-02-05</startDate>
            <endDate>2026-02-05</endDate>
        </period>
    </context>
    <context id="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_us-gaap-CommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000019617</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:CommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-02-05</startDate>
            <endDate>2026-02-05</endDate>
        </period>
    </context>
    <context id="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-DepositarySharesOneFourHundredthInterestinaShareof5.75NonCumulativePreferredStockSeriesDDMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000019617</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">jpm:DepositarySharesOneFourHundredthInterestinaShareof5.75NonCumulativePreferredStockSeriesDDMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-02-05</startDate>
            <endDate>2026-02-05</endDate>
        </period>
    </context>
    <context id="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-DepositarySharesOneFourHundredthInterestinaShareof6.00NonCumulativePreferredStockSeriesEEMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000019617</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">jpm:DepositarySharesOneFourHundredthInterestinaShareof6.00NonCumulativePreferredStockSeriesEEMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-02-05</startDate>
            <endDate>2026-02-05</endDate>
        </period>
    </context>
    <context id="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-DepositarySharesOneFourHundredthInterestinaShareof4.75NonCumulativePreferredStockSeriesGGMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000019617</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">jpm:DepositarySharesOneFourHundredthInterestinaShareof4.75NonCumulativePreferredStockSeriesGGMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-02-05</startDate>
            <endDate>2026-02-05</endDate>
        </period>
    </context>
    <context id="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-DepositarySharesOneFourHundredthInterestInAShareOf455NonCumulativePreferredStockSeriesJJMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000019617</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">jpm:DepositarySharesOneFourHundredthInterestInAShareOf455NonCumulativePreferredStockSeriesJJMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-02-05</startDate>
            <endDate>2026-02-05</endDate>
        </period>
    </context>
    <context id="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-DepositarySharesOneFourHundredthInterestInAShareOf4625NonCumulativePreferredStockSeriesLLMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000019617</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">jpm:DepositarySharesOneFourHundredthInterestInAShareOf4625NonCumulativePreferredStockSeriesLLMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-02-05</startDate>
            <endDate>2026-02-05</endDate>
        </period>
    </context>
    <context id="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-DepositarySharesOneFourHundredthInterestInAShareOf420NonCumulativePreferredStockSeriesMMMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000019617</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">jpm:DepositarySharesOneFourHundredthInterestInAShareOf420NonCumulativePreferredStockSeriesMMMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-02-05</startDate>
            <endDate>2026-02-05</endDate>
        </period>
    </context>
    <context id="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-GuaranteeOfCallableFixedRateNotesDueJune102032OfJPMorganChaseFinancialCompanyLLCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000019617</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">jpm:GuaranteeOfCallableFixedRateNotesDueJune102032OfJPMorganChaseFinancialCompanyLLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-02-05</startDate>
            <endDate>2026-02-05</endDate>
        </period>
    </context>
    <context id="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-GuaranteeOfAlerianMlpIndexETNsDueJanuary282044OfJPMorganChaseFinancialCompanyLlc2Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000019617</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">jpm:GuaranteeOfAlerianMlpIndexETNsDueJanuary282044OfJPMorganChaseFinancialCompanyLlc2Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-02-05</startDate>
            <endDate>2026-02-05</endDate>
        </period>
    </context>
    <context id="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-GuaranteeOfInverseVixShortTermFuturesETNsDueMarch222045OfJPMorganChaseFinancialCompanyLlc1Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000019617</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">jpm:GuaranteeOfInverseVixShortTermFuturesETNsDueMarch222045OfJPMorganChaseFinancialCompanyLlc1Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-02-05</startDate>
            <endDate>2026-02-05</endDate>
        </period>
    </context>
    <dei:EntityRegistrantName
      contextRef="duration_2026-02-05_to_2026-02-05"
      id="Hidden_dei_EntityRegistrantName">JPMORGAN CHASE &amp; CO</dei:EntityRegistrantName>
    <dei:AmendmentFlag contextRef="duration_2026-02-05_to_2026-02-05" id="ixv-341">false</dei:AmendmentFlag>
    <dei:EntityCentralIndexKey
      contextRef="duration_2026-02-05_to_2026-02-05"
      id="Hidden_dei_EntityCentralIndexKey">0000019617</dei:EntityCentralIndexKey>
    <dei:DocumentType contextRef="duration_2026-02-05_to_2026-02-05" id="ixv-432">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate contextRef="duration_2026-02-05_to_2026-02-05" id="ixv-433">2026-02-05</dei:DocumentPeriodEndDate>
    <dei:EntityIncorporationStateCountryCode contextRef="duration_2026-02-05_to_2026-02-05" id="ixv-434">DE</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber contextRef="duration_2026-02-05_to_2026-02-05" id="ixv-435">1-5805</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber contextRef="duration_2026-02-05_to_2026-02-05" id="ixv-436">13-2624428</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1 contextRef="duration_2026-02-05_to_2026-02-05" id="ixv-437">270 Park Avenue</dei:EntityAddressAddressLine1>
    <dei:EntityAddressCityOrTown contextRef="duration_2026-02-05_to_2026-02-05" id="ixv-438">New York</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince contextRef="duration_2026-02-05_to_2026-02-05" id="ixv-439">NY</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode contextRef="duration_2026-02-05_to_2026-02-05" id="ixv-440">10017</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode contextRef="duration_2026-02-05_to_2026-02-05" id="ixv-441">(212)</dei:CityAreaCode>
    <dei:LocalPhoneNumber contextRef="duration_2026-02-05_to_2026-02-05" id="ixv-442">270-6000</dei:LocalPhoneNumber>
    <dei:WrittenCommunications contextRef="duration_2026-02-05_to_2026-02-05" id="ixv-443">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial contextRef="duration_2026-02-05_to_2026-02-05" id="ixv-444">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer contextRef="duration_2026-02-05_to_2026-02-05" id="ixv-445">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer contextRef="duration_2026-02-05_to_2026-02-05" id="ixv-446">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_us-gaap-CommonStockMember"
      id="ixv-447">Common stock</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_us-gaap-CommonStockMember"
      id="ixv-448">JPM</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_us-gaap-CommonStockMember"
      id="ixv-449">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-DepositarySharesOneFourHundredthInterestinaShareof5.75NonCumulativePreferredStockSeriesDDMember"
      id="ixv-159">Depositary Shares, each representing a one-four hundredth interest in a share of 5.75% Non-Cumulative Preferred Stock, Series DD</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-DepositarySharesOneFourHundredthInterestinaShareof5.75NonCumulativePreferredStockSeriesDDMember"
      id="ixv-450">JPM PR D</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-DepositarySharesOneFourHundredthInterestinaShareof5.75NonCumulativePreferredStockSeriesDDMember"
      id="ixv-451">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-DepositarySharesOneFourHundredthInterestinaShareof6.00NonCumulativePreferredStockSeriesEEMember"
      id="ixv-169">Depositary Shares, each representing a one-four hundredth interest in a share of 6.00% Non-Cumulative Preferred Stock, Series EE</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-DepositarySharesOneFourHundredthInterestinaShareof6.00NonCumulativePreferredStockSeriesEEMember"
      id="ixv-452">JPM PR C</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-DepositarySharesOneFourHundredthInterestinaShareof6.00NonCumulativePreferredStockSeriesEEMember"
      id="ixv-453">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-DepositarySharesOneFourHundredthInterestinaShareof4.75NonCumulativePreferredStockSeriesGGMember"
      id="ixv-179">Depositary Shares, each representing a one-four hundredth interest in a share of 4.75% Non-Cumulative Preferred Stock, Series GG</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-DepositarySharesOneFourHundredthInterestinaShareof4.75NonCumulativePreferredStockSeriesGGMember"
      id="ixv-454">JPM PR J</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-DepositarySharesOneFourHundredthInterestinaShareof4.75NonCumulativePreferredStockSeriesGGMember"
      id="ixv-455">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-DepositarySharesOneFourHundredthInterestInAShareOf455NonCumulativePreferredStockSeriesJJMember"
      id="ixv-189">Depositary Shares, each representing a one-four hundredth interest in a share of 4.55% Non-Cumulative Preferred Stock, Series JJ</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-DepositarySharesOneFourHundredthInterestInAShareOf455NonCumulativePreferredStockSeriesJJMember"
      id="ixv-456">JPM PR K</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-DepositarySharesOneFourHundredthInterestInAShareOf455NonCumulativePreferredStockSeriesJJMember"
      id="ixv-457">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-DepositarySharesOneFourHundredthInterestInAShareOf4625NonCumulativePreferredStockSeriesLLMember"
      id="ixv-199">Depositary Shares, each representing a one-four hundredth interest in a share of 4.625% Non-Cumulative Preferred Stock, Series LL</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-DepositarySharesOneFourHundredthInterestInAShareOf4625NonCumulativePreferredStockSeriesLLMember"
      id="ixv-458">JPM PR L</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-DepositarySharesOneFourHundredthInterestInAShareOf4625NonCumulativePreferredStockSeriesLLMember"
      id="ixv-459">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-DepositarySharesOneFourHundredthInterestInAShareOf420NonCumulativePreferredStockSeriesMMMember"
      id="ixv-209">Depositary Shares, each representing a one-four hundredth interest in a share of 4.20% Non-Cumulative Preferred Stock, Series MM</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-DepositarySharesOneFourHundredthInterestInAShareOf420NonCumulativePreferredStockSeriesMMMember"
      id="ixv-460">JPM PR M</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-DepositarySharesOneFourHundredthInterestInAShareOf420NonCumulativePreferredStockSeriesMMMember"
      id="ixv-461">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-GuaranteeOfCallableFixedRateNotesDueJune102032OfJPMorganChaseFinancialCompanyLLCMember"
      id="ixv-462">Guarantee of Callable Fixed Rate Notes due June&#160;10, 2032 of JPMorgan Chase Financial Company LLC</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-GuaranteeOfCallableFixedRateNotesDueJune102032OfJPMorganChaseFinancialCompanyLLCMember"
      id="ixv-463">JPM/32</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-GuaranteeOfCallableFixedRateNotesDueJune102032OfJPMorganChaseFinancialCompanyLLCMember"
      id="ixv-464">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-GuaranteeOfAlerianMlpIndexETNsDueJanuary282044OfJPMorganChaseFinancialCompanyLlc2Member"
      id="ixv-465">Guarantee of Alerian MLP Index ETNs due January&#160;28, 2044 of JPMorgan Chase Financial Company LLC</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-GuaranteeOfAlerianMlpIndexETNsDueJanuary282044OfJPMorganChaseFinancialCompanyLlc2Member"
      id="ixv-466">AMJB</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-GuaranteeOfAlerianMlpIndexETNsDueJanuary282044OfJPMorganChaseFinancialCompanyLlc2Member"
      id="ixv-467">NYSEArca</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-GuaranteeOfInverseVixShortTermFuturesETNsDueMarch222045OfJPMorganChaseFinancialCompanyLlc1Member"
      id="ixv-468">Guarantee of Inverse VIX Short-Term Futures ETNs due March&#160;22, 2045 of JPMorgan Chase Financial Company LLC</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-GuaranteeOfInverseVixShortTermFuturesETNsDueMarch222045OfJPMorganChaseFinancialCompanyLlc1Member"
      id="ixv-469">VYLD</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="duration_2026-02-05_to_2026-02-05_us-gaap-StatementClassOfStockAxis_jpm-GuaranteeOfInverseVixShortTermFuturesETNsDueMarch222045OfJPMorganChaseFinancialCompanyLlc1Member"
      id="ixv-470">NYSEArca</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany contextRef="duration_2026-02-05_to_2026-02-05" id="ixv-471">false</dei:EntityEmergingGrowthCompany>
</xbrl>
