<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xml:lang="en-US"
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2024"
  xmlns:jpm="http://www.jpmorganchase.com/20250912"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:us-gaap="http://fasb.org/us-gaap/2024"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="jpm-20250912.xsd" xlink:type="simple"/>
    <context id="c-1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000019617</identifier>
        </entity>
        <period>
            <startDate>2025-09-12</startDate>
            <endDate>2025-09-12</endDate>
        </period>
    </context>
    <context id="c-2">
        <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>2025-09-12</startDate>
            <endDate>2025-09-12</endDate>
        </period>
    </context>
    <context id="c-3">
        <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>2025-09-12</startDate>
            <endDate>2025-09-12</endDate>
        </period>
    </context>
    <context id="c-4">
        <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>2025-09-12</startDate>
            <endDate>2025-09-12</endDate>
        </period>
    </context>
    <context id="c-5">
        <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>2025-09-12</startDate>
            <endDate>2025-09-12</endDate>
        </period>
    </context>
    <context id="c-6">
        <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>2025-09-12</startDate>
            <endDate>2025-09-12</endDate>
        </period>
    </context>
    <context id="c-7">
        <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>2025-09-12</startDate>
            <endDate>2025-09-12</endDate>
        </period>
    </context>
    <context id="c-8">
        <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>2025-09-12</startDate>
            <endDate>2025-09-12</endDate>
        </period>
    </context>
    <context id="c-9">
        <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>2025-09-12</startDate>
            <endDate>2025-09-12</endDate>
        </period>
    </context>
    <context id="c-10">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000019617</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">jpm:GuaranteeOfAlerianMLPIndexETNsDueJanuary282044OfJPMorganChaseFinancialCompanyLLCDomain</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-09-12</startDate>
            <endDate>2025-09-12</endDate>
        </period>
    </context>
    <context id="c-11">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000019617</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">jpm:GuaranteeOfInverseVIXShortTermFuturesETNsDueMarch222045OfJPMorganChaseFinancialCompanyLLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-09-12</startDate>
            <endDate>2025-09-12</endDate>
        </period>
    </context>
    <dei:AmendmentFlag contextRef="c-1" id="f-48">false</dei:AmendmentFlag>
    <dei:EntityCentralIndexKey contextRef="c-1" id="f-49">0000019617</dei:EntityCentralIndexKey>
    <dei:CurrentFiscalYearEndDate contextRef="c-1" id="f-50">--12-31</dei:CurrentFiscalYearEndDate>
    <dei:DocumentType contextRef="c-1" id="f-1">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate contextRef="c-1" id="f-2">2025-09-12</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName contextRef="c-1" id="f-3">JPMorgan Chase &amp; Co</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode contextRef="c-1" id="f-4">DE</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber contextRef="c-1" id="f-5">1-5805</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber contextRef="c-1" id="f-6">13-2624428</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1 contextRef="c-1" id="f-7">383 Madison Avenue,</dei:EntityAddressAddressLine1>
    <dei:EntityAddressCityOrTown contextRef="c-1" id="f-8">New York,</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince contextRef="c-1" id="f-9">NY</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode contextRef="c-1" id="f-10">10179</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode contextRef="c-1" id="f-11">212</dei:CityAreaCode>
    <dei:LocalPhoneNumber contextRef="c-1" id="f-12">270-6000</dei:LocalPhoneNumber>
    <dei:WrittenCommunications contextRef="c-1" id="f-13">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial contextRef="c-1" id="f-14">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer contextRef="c-1" id="f-15">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer contextRef="c-1" id="f-16">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle contextRef="c-2" id="f-17">Common stock</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="c-2" id="f-18">JPM</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="c-2" id="f-19">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="c-3" id="f-20">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="c-3" id="f-21">JPM PR D</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="c-3" id="f-22">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="c-4" id="f-23">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="c-4" id="f-24">JPM PR C</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="c-4" id="f-25">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="c-5" id="f-26">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="c-5" id="f-27">JPM PR J</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="c-5" id="f-28">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="c-6" id="f-29">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="c-6" id="f-30">JPM PR K</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="c-6" id="f-31">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="c-7" id="f-32">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="c-7" id="f-33">JPM PR L</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="c-7" id="f-34">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="c-8" id="f-35">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="c-8" id="f-36">JPM PR M</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="c-8" id="f-37">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="c-9" id="f-38">Guarantee of Callable Fixed Rate Notes due June 10, 2032 of JPMorgan Chase Financial Company LLC</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="c-9" id="f-39">JPM/32</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="c-9" id="f-40">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="c-10" id="f-41">Guarantee of Alerian MLP Index ETNs due January 28, 2044 of JPMorgan Chase Financial Company LLC</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="c-10" id="f-42">AMJB</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="c-10" id="f-43">NYSEArca</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="c-11" id="f-44">Guarantee of Inverse VIX Short-Term Futures ETNs due March 22, 2045 of JPMorgan Chase Financial Company LLC</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="c-11" id="f-45">VYLD</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="c-11" id="f-46">NYSEArca</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany contextRef="c-1" id="f-47">false</dei:EntityEmergingGrowthCompany>
</xbrl>
