$JPM
JPMORGAN CHASE & CO Stock $jpm

$jpm Overview Financials Valuation SEC Filings Company Website

2020 Q3 Form 10-Q Financial Statement

#000001961720000438 Filed on November 02, 2020

Income Statement

Concept	2020 Q3	2019 Q3	2019 Q2
Revenue	$29.26B	$29.29B	$28.75B
YoY Change	-0.12%	7.45%	3.58%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development	$2.564B	$2.494B	$2.378B
YoY Change	2.81%	12.39%	9.69%
% of Gross Profit
Depreciation & Amortization	$2.141B	$2.145B	$2.046B
YoY Change	-0.19%	7.68%	6.18%
% of Gross Profit
Operating Expenses	$2.564B	$2.494B	$2.378B
YoY Change	2.81%	12.39%	9.69%
Operating Profit
YoY Change
Interest Expense	$1.687B	$6.893B	$7.205B
YoY Change	-75.53%	24.62%	41.8%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$11.77B	$11.41B	$11.34B
YoY Change	3.19%	6.7%	7.28%
Income Tax	$2.326B	$2.325B	$1.690B
% Of Pretax Income	19.76%	20.39%	14.9%
Net Earnings	$9.443B	$9.080B	$9.652B
YoY Change	4.0%	8.35%	16.07%
Net Earnings / Revenue	32.28%	31.0%	33.58%
Basic Earnings Per Share	$2.93	$2.69	$2.83
Diluted Earnings Per Share	$2.92	$2.68	$2.82
COMMON SHARES
Basic Shares Outstanding	3.078B shares	3.199B shares	3.251B shares
Diluted Shares Outstanding	3.083B shares	3.207B shares	3.260B shares

Balance Sheet

Concept	2020 Q3	2019 Q3	2019 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$487.5B	$256.6B	$268.0B
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$26.67B	$25.12B	$24.67B
YoY Change	6.19%	77.13%	74.53%
Goodwill	$47.82B	$47.82B	$47.48B
YoY Change	0.0%	0.71%	-0.02%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$3245B	$2765B	$2727B
YoY Change	17.38%	5.72%	5.3%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$225.9B	$216.6B	$207.7B
YoY Change	4.29%	3.31%	5.46%
Accrued Expenses	$8.335B	$8.425B	$8.404B
YoY Change	-1.07%
Deferred Revenue
YoY Change
Short-Term Debt	$41.99B	$48.89B	$59.89B
YoY Change	-14.11%	-24.36%	-6.3%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$234.3B	$225.1B	$216.1B
YoY Change	4.08%	7.32%	9.72%
LONG-TERM LIABILITIES
Long-Term Debt	$279.2B	$296.5B	$288.9B
YoY Change	-5.83%	9.75%	5.77%
Other Long-Term Liabilities	$181.7B	$156.9B	$173.2B
YoY Change	15.83%	-8.48%	1.21%
Total Long-Term Liabilities	$460.9B	$453.3B	$462.1B
YoY Change	1.66%	2.68%	4.01%
TOTAL LIABILITIES
Total Short-Term Liabilities	$234.3B	$225.1B	$216.1B
Total Long-Term Liabilities	$460.9B	$453.3B	$462.1B
Total Liabilities	$2975B	$2500B	$2464B
YoY Change	18.98%	6.12%	5.64%
SHAREHOLDERS EQUITY
Retained Earnings	$228.0B	$217.9B	$212.1B
YoY Change	4.65%	11.63%	11.7%
Common Stock	$92.39B	$92.62B	$92.46B
YoY Change	-0.24%	-0.88%	-1.1%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$88.29B	$76.30B	$69.43B
YoY Change	15.71%	38.78%	36.59%
Treasury Stock Shares	1.057B shares	968.4M shares	907.4M shares
Shareholders Equity	$271.1B	$264.3B	$263.2B
YoY Change
Total Liabilities & Shareholders Equity	$3246B	$2765B	$2727B
YoY Change	17.41%	5.72%	5.3%

Cashflow Statement

Concept	2020 Q3	2019 Q3	2019 Q2
OPERATING ACTIVITIES
Net Income	$9.443B	$9.080B	$9.652B
YoY Change	4.0%	8.35%	16.07%
Depreciation, Depletion And Amortization	$2.141B	$2.145B	$2.046B
YoY Change	-0.19%	7.68%	6.18%
Cash From Operating Activities	-$14.69B	$17.70B	-$13.85B
YoY Change	-183.01%	34.16%	-138.82%
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities	-$14.73B	-$65.61B	-$8.877B
YoY Change	-77.55%	8019.43%	-246.8%
Cash From Investing Activities	-$14.73B	-$65.61B	-$8.877B
YoY Change	-77.55%	8019.43%	-246.8%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	19.25B	39.54B	-12.97B
YoY Change	-51.31%	1448.65%	-72.31%
NET CHANGE
Cash From Operating Activities	-14.69B	17.70B	-13.85B
Cash From Investing Activities	-14.73B	-65.61B	-8.877B
Cash From Financing Activities	19.25B	39.54B	-12.97B
Net Change In Cash	-10.17B	-8.373B	-35.70B
YoY Change	21.4%	-156.07%	601.18%
FREE CASH FLOW
Cash From Operating Activities	-$14.69B	$17.70B	-$13.85B
Capital Expenditures
Free Cash Flow
YoY Change

Facts In Submission

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	dei	Amendment Flag AmendmentFlag	false
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Transition Report DocumentTransitionReport	false
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	dei	Document Type DocumentType	10-Q
	dei	Document Period End Date DocumentPeriodEndDate	2020-09-30
	dei	Entity File Number EntityFileNumber	1-5805
	dei	Entity Registrant Name EntityRegistrantName	JPMorgan Chase & Co
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	13-2624428
	dei	Entity Address Address Line1 EntityAddressAddressLine1	383 Madison Avenue,
	dei	Entity Address City Or Town EntityAddressCityOrTown	New York,
	dei	Entity Address State Or Province EntityAddressStateOrProvince	NY
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	10179
	dei	City Area Code CityAreaCode	212
	dei	Local Phone Number LocalPhoneNumber	270-6000
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	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
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CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	151000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	686000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	7371000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	3307000000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	9594000000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	9766000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	24366000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	31218000000	USD
CY2020Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	20816000000	USD
CY2019Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	21704000000	USD
CY2020Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	466706000000	USD
CY2019Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	241927000000	USD
CY2020Q3	us-gaap	Federal Funds Sold And Securities Purchased Under Agreements To Resell FederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	319849000000	USD
CY2019Q4	us-gaap	Federal Funds Sold And Securities Purchased Under Agreements To Resell FederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	249157000000	USD
CY2020Q3	us-gaap	Securities Borrowed SecuritiesBorrowed	142441000000	USD
CY2019Q4	us-gaap	Securities Borrowed SecuritiesBorrowed	139758000000	USD
CY2020Q3	jpm	Trading Assets TradingAssets	505822000000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	345306000000	USD
CY2020Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	389583000000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	350699000000	USD
CY2020Q3	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	120000000	USD
CY2020Q3	jpm	Debt Securities Held To Maturity Net Of Allowance For Credit Losses DebtSecuritiesHeldToMaturityNetOfAllowanceForCreditLosses	141553000000	USD
CY2019Q4	jpm	Debt Securities Held To Maturity Net Of Allowance For Credit Losses DebtSecuritiesHeldToMaturityNetOfAllowanceForCreditLosses	47540000000	USD
CY2020Q3	jpm	Debt Securities Net Carrying Amount DebtSecuritiesNetCarryingAmount	531136000000	USD
CY2019Q4	jpm	Debt Securities Net Carrying Amount DebtSecuritiesNetCarryingAmount	398239000000	USD
CY2020Q3	jpm	Financing Receivable Before Allowance For Credit Losses Netof Deferred Income FinancingReceivableBeforeAllowanceForCreditLossesNetofDeferredIncome	989740000000	USD
CY2019Q4	jpm	Financing Receivable Before Allowance For Credit Losses Netof Deferred Income FinancingReceivableBeforeAllowanceForCreditLossesNetofDeferredIncome	997620000000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	30814000000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	13123000000	USD
CY2020Q3	us-gaap	Notes Receivable Net NotesReceivableNet	958926000000	USD
CY2019Q4	us-gaap	Notes Receivable Net NotesReceivableNet	984497000000	USD
CY2020Q3	jpm	Accrued Interest And Accounts Receivable AccruedInterestAndAccountsReceivable	76945000000	USD
CY2019Q4	jpm	Accrued Interest And Accounts Receivable AccruedInterestAndAccountsReceivable	72861000000	USD
CY2020Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	26672000000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	25813000000	USD
CY2020Q3	jpm	Goodwill Servicing Assetsat Fair Valueand Other Intangible Assets GoodwillServicingAssetsatFairValueandOtherIntangibleAssets	51594000000	USD
CY2019Q4	jpm	Goodwill Servicing Assetsat Fair Valueand Other Intangible Assets GoodwillServicingAssetsatFairValueandOtherIntangibleAssets	53341000000	USD
CY2020Q3	us-gaap	Other Assets OtherAssets	145169000000	USD
CY2019Q4	us-gaap	Other Assets OtherAssets	130395000000	USD
CY2020Q3	us-gaap	Assets Assets	3246076000000	USD
CY2019Q4	us-gaap	Assets Assets	2687379000000	USD
CY2020Q3	us-gaap	Deposits Deposits	2001416000000	USD
CY2019Q4	us-gaap	Deposits Deposits	1562431000000	USD
CY2020Q3	jpm	Federal Funds Purchased Securities Sold Under Agreements To Repurchase FederalFundsPurchasedSecuritiesSoldUnderAgreementsToRepurchase	236440000000	USD
CY2019Q4	jpm	Federal Funds Purchased Securities Sold Under Agreements To Repurchase FederalFundsPurchasedSecuritiesSoldUnderAgreementsToRepurchase	183675000000	USD
CY2020Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	41992000000	USD
CY2019Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	40920000000	USD
CY2020Q3	us-gaap	Trading Liabilities TradingLiabilities	162493000000	USD
CY2019Q4	us-gaap	Trading Liabilities TradingLiabilities	119277000000	USD
CY2020Q3	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	234256000000	USD
CY2019Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	210407000000	USD
CY2020Q3	us-gaap	Beneficial Interest BeneficialInterest	19191000000	USD
CY2019Q4	us-gaap	Beneficial Interest BeneficialInterest	17841000000	USD
CY2020Q3	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	279175000000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	291498000000	USD
CY2020Q3	us-gaap	Liabilities Liabilities	2974963000000	USD
CY2019Q4	us-gaap	Liabilities Liabilities	2426049000000	USD
CY2020Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2019Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1
CY2019Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1
CY2020Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000000	shares
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000000	shares
CY2020Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	3006250	shares
CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	2699250	shares
CY2020Q3	us-gaap	Preferred Stock Including Additional Paid In Capital Net Of Discount PreferredStockIncludingAdditionalPaidInCapitalNetOfDiscount	30063000000	USD
CY2019Q4	us-gaap	Preferred Stock Including Additional Paid In Capital Net Of Discount PreferredStockIncludingAdditionalPaidInCapitalNetOfDiscount	26993000000	USD
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1
CY2020Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1
CY2020Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	9000000000	shares
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	9000000000	shares
CY2020Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	4104933895	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	4104933895	shares
CY2020Q3	us-gaap	Common Stock Value CommonStockValue	4105000000	USD
CY2019Q4	us-gaap	Common Stock Value CommonStockValue	4105000000	USD
CY2020Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	88289000000	USD
CY2019Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	88522000000	USD
CY2020Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	228014000000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	223211000000	USD
CY2020Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	8940000000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1569000000	USD
CY2020Q3	jpm	Common Stock Held In Restricted Stock Unit Trust Shares CommonStockHeldInRestrictedStockUnitTrustShares	236476	shares
CY2019Q4	jpm	Common Stock Held In Restricted Stock Unit Trust Shares CommonStockHeldInRestrictedStockUnitTrustShares	472953	shares
CY2020Q3	us-gaap	Common Stock Held In Trust CommonStockHeldInTrust	11000000	USD
CY2019Q4	us-gaap	Common Stock Held In Trust CommonStockHeldInTrust	21000000	USD
CY2020Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	1056730832	shares
CY2019Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	1020912567	shares
CY2020Q3	us-gaap	Treasury Stock Value TreasuryStockValue	88287000000	USD
CY2019Q4	us-gaap	Treasury Stock Value TreasuryStockValue	83049000000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	271113000000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	261330000000	USD
CY2020Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3246076000000	USD
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2687379000000	USD
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.90
CY2019Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.90
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.70
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.50
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	271113000000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	264348000000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	271113000000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	264348000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	16995000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	27911000000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	19369000000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	4158000000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	6487000000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	6229000000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-5436000000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-440000000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-1245000000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-1645000000	USD
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	112142000000	USD
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	119583000000	USD
	jpm	Proceeds From Sales Securitizations And Paydowns Of Loans Held For Sale ProceedsFromSalesSecuritizationsAndPaydownsOfLoansHeldForSale	120786000000	USD
	jpm	Proceeds From Sales Securitizations And Paydowns Of Loans Held For Sale ProceedsFromSalesSecuritizationsAndPaydownsOfLoansHeldForSale	122208000000	USD
	us-gaap	Increase Decrease In Financial Instruments Used In Operating Activities IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities	145124000000	USD
	us-gaap	Increase Decrease In Financial Instruments Used In Operating Activities IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities	92041000000	USD
	us-gaap	Increase Decrease In Cash Collateral For Borrowed Securities IncreaseDecreaseInCashCollateralForBorrowedSecurities	2509000000	USD
	us-gaap	Increase Decrease In Cash Collateral For Borrowed Securities IncreaseDecreaseInCashCollateralForBorrowedSecurities	26162000000	USD
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	jpm	Increase Decrease In Accrued Interests And Accounts Receivable IncreaseDecreaseInAccruedInterestsAndAccountsReceivable	16089000000	USD
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	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	21023000000	USD
	us-gaap	Increase Decrease In Trading Liabilities IncreaseDecreaseInTradingLiabilities	63516000000	USD
	us-gaap	Increase Decrease In Trading Liabilities IncreaseDecreaseInTradingLiabilities	12774000000	USD
	jpm	Increase Decrease In Accounts Payable And Other Liabilities IncreaseDecreaseInAccountsPayableAndOtherLiabilities	16608000000	USD
	jpm	Increase Decrease In Accounts Payable And Other Liabilities IncreaseDecreaseInAccountsPayableAndOtherLiabilities	19661000000	USD
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	1293000000	USD
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	2033000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-51858000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-78719000000	USD
	us-gaap	Proceeds From Payments For Federal Funds Sold And Securities Purchased Under Agreements To Resell Net ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet	-70597000000	USD
	us-gaap	Proceeds From Payments For Federal Funds Sold And Securities Purchased Under Agreements To Resell Net ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet	64207000000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	11498000000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	2239000000	USD
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	5528000000	USD
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	11682000000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	43709000000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	41378000000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	110354000000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	43460000000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	281147000000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	200262000000	USD
	us-gaap	Proceeds From Sale Of Finance Receivables ProceedsFromSaleOfFinanceReceivables	18509000000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-22196000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	263631000000	USD
	us-gaap	Proceeds From Sale Of Finance Receivables ProceedsFromSaleOfFinanceReceivables	52739000000	USD
	jpm	Paymentsfor Other Loansand Leases PaymentsforOtherLoansandLeases	21606000000	USD
	jpm	Paymentsfor Other Loansand Leases PaymentsforOtherLoansandLeases	24297000000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	3398000000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	4283000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-198206000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-36501000000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	452454000000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	77147000000	USD
	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	52745000000	USD
	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	65428000000	USD
	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	1945000000	USD
	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	20577000000	USD
	jpm	Increase Decrease In Beneficial Interests Issued By Consolidated Variable Interest Entities IncreaseDecreaseInBeneficialInterestsIssuedByConsolidatedVariableInterestEntities	2838000000	USD
	jpm	Increase Decrease In Beneficial Interests Issued By Consolidated Variable Interest Entities IncreaseDecreaseInBeneficialInterestsIssuedByConsolidatedVariableInterestEntities	5017000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	64243000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	45155000000	USD
	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	90481000000	USD
	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	51936000000	USD
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	4500000000	USD
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	4100000000	USD
	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	1430000000	USD
	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	1805000000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	6517000000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	17250000000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	9551000000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	9056000000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-59000000	USD
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	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	470687000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	96006000000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3268000000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-2982000000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	223891000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	278793000000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	487522000000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	256597000000	USD
	us-gaap	Interest Paid Net InterestPaidNet	11576000000	USD
	us-gaap	Interest Paid Net InterestPaidNet	20790000000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	6124000000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	3478000000	USD
	us-gaap	Use Of Estimates UseOfEstimates	The unaudited Consolidated Financial Statements prepared in conformity with U.S. GAAP require management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenue and expense, and the disclosures of contingent assets and liabilities. Actual results could be different from these estimates. In the opinion of management, all normal, recurring adjustments have been included such that this interim financial information is fairly stated.
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	Certain amounts reported in prior periods have been reclassified to conform with the current presentation.
CY2019Q4	jpm	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiability	14300000000	USD
CY2020Q3	jpm	Fair Value Inputs Priceper Unit Assumed Par FairValueInputsPriceperUnitAssumedPar	100
CY2020Q2	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	-3169000000	USD
CY2020Q3	jpm	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Net Derivative Asset Liability Realizedand Unrealized Gains Losses FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisNetDerivativeAssetLiabilityRealizedandUnrealizedGainsLosses	-884000000	USD
CY2020Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Purchases FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchases	378000000	USD
CY2020Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Sales FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSales	516000000	USD
CY2020Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements	462000000	USD
CY2020Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Into Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersIntoLevel3	-239000000	USD
CY2020Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3	-471000000	USD
CY2020Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	-4421000000	USD
CY2020Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Change In Unrealized Gain Loss FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	-800000000	USD
CY2019Q2	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	-4437000000	USD
CY2019Q3	jpm	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Net Derivative Asset Liability Realizedand Unrealized Gains Losses FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisNetDerivativeAssetLiabilityRealizedandUnrealizedGainsLosses	-1004000000	USD
CY2019Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Purchases FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchases	240000000	USD
CY2019Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Sales FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSales	206000000	USD
CY2019Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements	342000000	USD
CY2019Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Into Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersIntoLevel3	-166000000	USD
CY2019Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3	-923000000	USD
CY2019Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	-4992000000	USD
CY2019Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Change In Unrealized Gain Loss FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	-1062000000	USD
CY2019Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	-4489000000	USD
	jpm	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Net Derivative Asset Liability Realizedand Unrealized Gains Losses FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisNetDerivativeAssetLiabilityRealizedandUnrealizedGainsLosses	2154000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Purchases FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchases	1152000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Sales FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSales	1843000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements	686000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Into Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersIntoLevel3	-1073000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3	-364000000	USD
CY2020Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	-4421000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Change In Unrealized Gain Loss FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	1838000000	USD
CY2018Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	-3796000000	USD
	jpm	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Net Derivative Asset Liability Realizedand Unrealized Gains Losses FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisNetDerivativeAssetLiabilityRealizedandUnrealizedGainsLosses	-926000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Purchases FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchases	482000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Sales FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSales	938000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements	556000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Into Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersIntoLevel3	-406000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3	-1148000000	USD
CY2019Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	-4992000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Change In Unrealized Gain Loss FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	-2237000000	USD
CY2020Q3	jpm	Level Three Assets As Percentage Of Total Firm Assets At Fair Value LevelThreeAssetsAsPercentageOfTotalFirmAssetsAtFairValue	0.01
CY2019Q4	jpm	Level Three Assets As Percentage Of Total Firm Assets At Fair Value LevelThreeAssetsAsPercentageOfTotalFirmAssetsAtFairValue	0.02
CY2020Q3	jpm	Level Three Liabilities As Percentage Of Total Firm Liabilities At Fair Value LevelThreeLiabilitiesAsPercentageOfTotalFirmLiabilitiesAtFairValue	0.09
CY2019Q4	jpm	Level Three Liabilities As Percentage Of Total Firm Liabilities At Fair Value LevelThreeLiabilitiesAsPercentageOfTotalFirmLiabilitiesAtFairValue	0.16
CY2020Q3	jpm	Percentage Of Level3 Assets To Total Assets PercentageOfLevel3AssetsToTotalAssets	0.006
CY2020Q3	jpm	Derivative Gain Losson Derivative Net Cva DerivativeGainLossonDerivativeNetCVA	144000000	USD
CY2019Q3	jpm	Derivative Gain Losson Derivative Net Cva DerivativeGainLossonDerivativeNetCVA	55000000	USD
	jpm	Derivative Gain Losson Derivative Net Cva DerivativeGainLossonDerivativeNetCVA	-574000000	USD
	jpm	Derivative Gain Losson Derivative Net Cva DerivativeGainLossonDerivativeNetCVA	71000000	USD
CY2020Q3	jpm	Derivative Gain Losson Derivative Net Dv Aand Fva DerivativeGainLossonDerivativeNetDVAandFVA	109000000	USD
CY2019Q3	jpm	Derivative Gain Losson Derivative Net Dv Aand Fva DerivativeGainLossonDerivativeNetDVAandFVA	-83000000	USD
	jpm	Derivative Gain Losson Derivative Net Dv Aand Fva DerivativeGainLossonDerivativeNetDVAandFVA	-236000000	USD
	jpm	Derivative Gain Losson Derivative Net Dv Aand Fva DerivativeGainLossonDerivativeNetDVAandFVA	-20000000	USD
CY2020Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	2329000000	USD
CY2019Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	2771000000	USD
CY2020Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	2329000000	USD
CY2019Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	2771000000	USD
CY2020Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount	36000000	USD
CY2019Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount	48000000	USD
	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount	49000000	USD
	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount	183000000	USD
CY2020Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount	34000000	USD
CY2019Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount	0	USD
	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount	204000000	USD
	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount	37000000	USD
CY2019Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	2400000000	USD
CY2020Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Cumulative Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentCumulativeAmount	590000000	USD
CY2020Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Cumulative Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentCumulativeAmount	334000000	USD
CY2020Q3	us-gaap	Fair Value Option Loans Held As Assets Aggregate Difference FairValueOptionLoansHeldAsAssetsAggregateDifference	0	USD
CY2019Q4	us-gaap	Fair Value Option Loans Held As Assets Aggregate Difference FairValueOptionLoansHeldAsAssetsAggregateDifference	0	USD
CY2020Q3	jpm	Structured Notes Balance Under Fair Value Option StructuredNotesBalanceUnderFairValueOption	96509000000	USD
CY2019Q4	jpm	Structured Notes Balance Under Fair Value Option StructuredNotesBalanceUnderFairValueOption	106982000000	USD
	jpm	Numberof Loan Portfolio Segments NumberofLoanPortfolioSegments	3	loan_segment
CY2019	jpm	Numberof Loan Portfolio Segments NumberofLoanPortfolioSegments	3	loan_segment
CY2020Q3	jpm	Concentration Risk Credit Risk Financial Instruments Credit Exposure ConcentrationRiskCreditRiskFinancialInstrumentsCreditExposure	2247733000000	USD
CY2020Q3	jpm	Financing Receivable Before Allowance For Credit Losses Netof Deferred Income FinancingReceivableBeforeAllowanceForCreditLossesNetofDeferredIncome	989740000000	USD
CY2020Q3	us-gaap	Derivative Assets DerivativeAssets	76626000000	USD
CY2020Q3	jpm	Off Balance Sheet Lending Related Financial Instruments Contractual Amount OffBalanceSheetLendingRelatedFinancialInstrumentsContractualAmount	1150520000000	USD
CY2019Q4	jpm	Concentration Risk Credit Risk Financial Instruments Credit Exposure ConcentrationRiskCreditRiskFinancialInstrumentsCreditExposure	2189491000000	USD
CY2019Q4	jpm	Financing Receivable Before Allowance For Credit Losses Netof Deferred Income FinancingReceivableBeforeAllowanceForCreditLossesNetofDeferredIncome	997620000000	USD
CY2019Q4	us-gaap	Derivative Assets DerivativeAssets	49766000000	USD
CY2019Q4	jpm	Off Balance Sheet Lending Related Financial Instruments Contractual Amount OffBalanceSheetLendingRelatedFinancialInstrumentsContractualAmount	1108399000000	USD
CY2020Q3	jpm	Cash Placedwith Banks CashPlacedwithBanks	478400000000	USD
CY2019Q4	jpm	Cash Placedwith Banks CashPlacedwithBanks	254000000000.0	USD
CY2020Q3	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	51078000000000	USD
CY2019Q4	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	46942000000000	USD
CY2020Q3	us-gaap	Derivative Asset Fair Value Gross Asset Including Not Subject To Master Netting Arrangement DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement	664902000000	USD
CY2020Q3	us-gaap	Derivative Assets DerivativeAssets	76626000000	USD
CY2020Q3	us-gaap	Derivative Liability Fair Value Gross Liability Including Not Subject To Master Netting Arrangement DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement	637772000000	USD
CY2020Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	57658000000	USD
CY2019Q4	us-gaap	Derivative Asset Fair Value Gross Asset Including Not Subject To Master Netting Arrangement DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement	529626000000	USD
CY2019Q4	us-gaap	Derivative Assets DerivativeAssets	49766000000	USD
CY2019Q4	us-gaap	Derivative Liability Fair Value Gross Liability Including Not Subject To Master Netting Arrangement DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement	512128000000	USD
CY2019Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	43708000000	USD
CY2020Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	642634000000	USD
CY2020Q3	us-gaap	Derivative Asset Fair Value Gross Liability And Obligation To Return Cash Offset DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset	588276000000	USD
CY2020Q3	jpm	Derivatives Assets Subject To Master Netting Arrangement DerivativesAssetsSubjectToMasterNettingArrangement	54358000000	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	516083000000	USD
CY2019Q4	us-gaap	Derivative Asset Fair Value Gross Liability And Obligation To Return Cash Offset DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset	479860000000	USD
CY2019Q4	jpm	Derivatives Assets Subject To Master Netting Arrangement DerivativesAssetsSubjectToMasterNettingArrangement	36223000000	USD
CY2020Q3	us-gaap	Derivative Asset Not Subject To Master Netting Arrangement DerivativeAssetNotSubjectToMasterNettingArrangement	22268000000	USD
CY2020Q3	us-gaap	Derivative Asset Not Subject To Master Netting Arrangement DerivativeAssetNotSubjectToMasterNettingArrangement	22268000000	USD
CY2019Q4	us-gaap	Derivative Asset Not Subject To Master Netting Arrangement DerivativeAssetNotSubjectToMasterNettingArrangement	13543000000	USD
CY2019Q4	us-gaap	Derivative Asset Not Subject To Master Netting Arrangement DerivativeAssetNotSubjectToMasterNettingArrangement	13543000000	USD
CY2020Q3	us-gaap	Derivative Asset Fair Value Gross Asset Including Not Subject To Master Netting Arrangement DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement	664902000000	USD
CY2020Q3	us-gaap	Derivative Assets DerivativeAssets	76626000000	USD
CY2019Q4	us-gaap	Derivative Asset Fair Value Gross Asset Including Not Subject To Master Netting Arrangement DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement	529626000000	USD
CY2019Q4	us-gaap	Derivative Assets DerivativeAssets	49766000000	USD
CY2020Q3	jpm	Derivative Collateral Obligation To Return Securities Andor Cash Held By Third Party Custodians DerivativeCollateralObligationToReturnSecuritiesAndorCashHeldByThirdPartyCustodians	17742000000	USD
CY2019Q4	jpm	Derivative Collateral Obligation To Return Securities Andor Cash Held By Third Party Custodians DerivativeCollateralObligationToReturnSecuritiesAndorCashHeldByThirdPartyCustodians	14226000000	USD
CY2020Q3	jpm	Derivative Assets Net Exposure After Liquid Securities Andor Cash Collateral Held At Third Party Custodians Assets Subject To Master Netting Arrangement DerivativeAssetsNetExposureAfterLiquidSecuritiesAndorCashCollateralHeldAtThirdPartyCustodiansAssetsSubjectToMasterNettingArrangement	58884000000	USD
CY2019Q4	jpm	Derivative Assets Net Exposure After Liquid Securities Andor Cash Collateral Held At Third Party Custodians Assets Subject To Master Netting Arrangement DerivativeAssetsNetExposureAfterLiquidSecuritiesAndorCashCollateralHeldAtThirdPartyCustodiansAssetsSubjectToMasterNettingArrangement	35540000000	USD
CY2020Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	616761000000	USD
CY2020Q3	us-gaap	Derivative Liability Fair Value Gross Asset And Right To Reclaim Cash Offset DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset	580114000000	USD
CY2020Q3	jpm	Derivatives Liabilities Subject To Master Netting Arrangement DerivativesLiabilitiesSubjectToMasterNettingArrangement	36647000000	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	497977000000	USD
CY2019Q4	us-gaap	Derivative Liability Fair Value Gross Asset And Right To Reclaim Cash Offset DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset	468420000000	USD
CY2019Q4	jpm	Derivatives Liabilities Subject To Master Netting Arrangement DerivativesLiabilitiesSubjectToMasterNettingArrangement	29557000000	USD
CY2020Q3	us-gaap	Derivative Liability Not Subject To Master Netting Arrangement DerivativeLiabilityNotSubjectToMasterNettingArrangement	21011000000	USD
CY2020Q3	us-gaap	Derivative Liability Not Subject To Master Netting Arrangement DerivativeLiabilityNotSubjectToMasterNettingArrangement	21011000000	USD
CY2019Q4	us-gaap	Derivative Liability Not Subject To Master Netting Arrangement DerivativeLiabilityNotSubjectToMasterNettingArrangement	14151000000	USD
CY2019Q4	us-gaap	Derivative Liability Not Subject To Master Netting Arrangement DerivativeLiabilityNotSubjectToMasterNettingArrangement	14151000000	USD
CY2020Q3	us-gaap	Derivative Liability Fair Value Gross Liability Including Not Subject To Master Netting Arrangement DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement	637772000000	USD
CY2020Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	57658000000	USD
CY2019Q4	us-gaap	Derivative Liability Fair Value Gross Liability Including Not Subject To Master Netting Arrangement DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement	512128000000	USD
CY2019Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	43708000000	USD
CY2020Q3	jpm	Derivative Collateral Right To Reclaim Securities Andor Cash Held At Third Party Custodians DerivativeCollateralRightToReclaimSecuritiesAndorCashHeldAtThirdPartyCustodians	11359000000	USD
CY2019Q4	jpm	Derivative Collateral Right To Reclaim Securities Andor Cash Held At Third Party Custodians DerivativeCollateralRightToReclaimSecuritiesAndorCashHeldAtThirdPartyCustodians	7896000000	USD
CY2020Q3	jpm	Derivative Liabilities Net Amount After Liquid Securities Andor Cash Collateral Held At Third Party Custodians Liabilities Subject To Master Netting Agreement DerivativeLiabilitiesNetAmountAfterLiquidSecuritiesAndorCashCollateralHeldAtThirdPartyCustodiansLiabilitiesSubjectToMasterNettingAgreement	46299000000	USD
CY2019Q4	jpm	Derivative Liabilities Net Amount After Liquid Securities Andor Cash Collateral Held At Third Party Custodians Liabilities Subject To Master Netting Agreement DerivativeLiabilitiesNetAmountAfterLiquidSecuritiesAndorCashCollateralHeldAtThirdPartyCustodiansLiabilitiesSubjectToMasterNettingAgreement	35812000000	USD
CY2020Q3	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	80100000000	USD
CY2019Q4	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	65900000000	USD
CY2020Q3	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	71900000000	USD
CY2019Q4	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	54400000000	USD
CY2020Q3	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	25629000000	USD
CY2019Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	14819000000	USD
CY2020Q3	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	24299000000	USD
CY2019Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	13329000000	USD
CY2020Q3	us-gaap	Change In Unrealized Gain Loss On Fair Value Hedging Instruments1 ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	-726000000	USD
CY2020Q3	us-gaap	Change In Unrealized Gain Loss On Hedged Item In Fair Value Hedge1 ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1	1056000000	USD
CY2020Q3	us-gaap	Gain Loss On Fair Value Hedges Recognized In Earnings GainLossOnFairValueHedgesRecognizedInEarnings	330000000	USD
CY2020Q3	jpm	Gain Lossfrom Components Excludedfrom Assessmentof Fair Value Hedge Effectiveness Amortization Method Net GainLossfromComponentsExcludedfromAssessmentofFairValueHedgeEffectivenessAmortizationMethodNet	-79000000	USD
CY2020Q3	jpm	Gain Lossfrom Components Excludedfrom Assessmentof Fair Value Hedge Effectiveness Changesin Fair Value Net GainLossfromComponentsExcludedfromAssessmentofFairValueHedgeEffectivenessChangesinFairValueNet	350000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Derivative Excluded Component Increase Decrease Before Adjustments And Tax OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseBeforeAdjustmentsAndTax	-91000000	USD
CY2019Q3	us-gaap	Change In Unrealized Gain Loss On Fair Value Hedging Instruments1 ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	1881000000	USD
CY2019Q3	us-gaap	Change In Unrealized Gain Loss On Hedged Item In Fair Value Hedge1 ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1	-1489000000	USD
CY2019Q3	us-gaap	Gain Loss On Fair Value Hedges Recognized In Earnings GainLossOnFairValueHedgesRecognizedInEarnings	392000000	USD
CY2019Q3	jpm	Gain Lossfrom Components Excludedfrom Assessmentof Fair Value Hedge Effectiveness Amortization Method Net GainLossfromComponentsExcludedfromAssessmentofFairValueHedgeEffectivenessAmortizationMethodNet	-224000000	USD
CY2019Q3	jpm	Gain Lossfrom Components Excludedfrom Assessmentof Fair Value Hedge Effectiveness Changesin Fair Value Net GainLossfromComponentsExcludedfromAssessmentofFairValueHedgeEffectivenessChangesinFairValueNet	403000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Derivative Excluded Component Increase Decrease Before Adjustments And Tax OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseBeforeAdjustmentsAndTax	-1000000	USD
	us-gaap	Change In Unrealized Gain Loss On Fair Value Hedging Instruments1 ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	3895000000	USD
	us-gaap	Change In Unrealized Gain Loss On Hedged Item In Fair Value Hedge1 ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1	-2881000000	USD
	us-gaap	Gain Loss On Fair Value Hedges Recognized In Earnings GainLossOnFairValueHedgesRecognizedInEarnings	1014000000	USD
	jpm	Gain Lossfrom Components Excludedfrom Assessmentof Fair Value Hedge Effectiveness Amortization Method Net GainLossfromComponentsExcludedfromAssessmentofFairValueHedgeEffectivenessAmortizationMethodNet	-379000000	USD
	jpm	Gain Lossfrom Components Excludedfrom Assessmentof Fair Value Hedge Effectiveness Changesin Fair Value Net GainLossfromComponentsExcludedfromAssessmentofFairValueHedgeEffectivenessChangesinFairValueNet	984000000	USD
	us-gaap	Other Comprehensive Income Loss Derivative Excluded Component Increase Decrease Before Adjustments And Tax OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseBeforeAdjustmentsAndTax	45000000	USD
	us-gaap	Change In Unrealized Gain Loss On Fair Value Hedging Instruments1 ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	4801000000	USD
	us-gaap	Change In Unrealized Gain Loss On Hedged Item In Fair Value Hedge1 ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1	-3761000000	USD
	us-gaap	Gain Loss On Fair Value Hedges Recognized In Earnings GainLossOnFairValueHedgesRecognizedInEarnings	1040000000	USD
	jpm	Gain Lossfrom Components Excludedfrom Assessmentof Fair Value Hedge Effectiveness Amortization Method Net GainLossfromComponentsExcludedfromAssessmentofFairValueHedgeEffectivenessAmortizationMethodNet	-675000000	USD
	jpm	Gain Lossfrom Components Excludedfrom Assessmentof Fair Value Hedge Effectiveness Changesin Fair Value Net GainLossfromComponentsExcludedfromAssessmentofFairValueHedgeEffectivenessChangesinFairValueNet	1033000000	USD
	us-gaap	Other Comprehensive Income Loss Derivative Excluded Component Increase Decrease Before Adjustments And Tax OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseBeforeAdjustmentsAndTax	114000000	USD
	us-gaap	Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths	709000000	USD
	jpm	Maximum Lengthof Time Hedgedin Cash Flow Hedge Terminated Cash Flow Hedge MaximumLengthofTimeHedgedinCashFlowHedgeTerminatedCashFlowHedge	P9Y
	jpm	Maximum Lengthof Time Hedgedin Cash Flow Hedge Open Cash Flow Hedge MaximumLengthofTimeHedgedinCashFlowHedgeOpenCashFlowHedge	P7Y
CY2020Q3	us-gaap	Credit Derivative Maximum Exposure Undiscounted CreditDerivativeMaximumExposureUndiscounted	701481000000	USD
CY2020Q3	jpm	Credit Derivatives Purchased Credit Protection CreditDerivativesPurchasedCreditProtection	734398000000	USD
CY2020Q3	jpm	Net Protection Sold Purchased NetProtectionSoldPurchased	32917000000	USD
CY2020Q3	jpm	Credit Derivative Other Protection Purchased CreditDerivativeOtherProtectionPurchased	23496000000	USD
CY2019Q4	us-gaap	Credit Derivative Maximum Exposure Undiscounted CreditDerivativeMaximumExposureUndiscounted	612733000000	USD
CY2019Q4	jpm	Credit Derivatives Purchased Credit Protection CreditDerivativesPurchasedCreditProtection	618433000000	USD
CY2019Q4	jpm	Net Protection Sold Purchased NetProtectionSoldPurchased	5700000000	USD
CY2019Q4	jpm	Credit Derivative Other Protection Purchased CreditDerivativeOtherProtectionPurchased	20906000000	USD
CY2020Q3	jpm	Protection Sold Credit Derivatives And Credit Related Notes Ratings Less Than One Year ProtectionSoldCreditDerivativesAndCreditRelatedNotesRatingsLessThanOneYear	140348000000	USD
CY2020Q3	jpm	Protection Sold Credit Derivatives And Credit Related Notes Ratings From One To Five Years ProtectionSoldCreditDerivativesAndCreditRelatedNotesRatingsFromOneToFiveYears	447442000000	USD
CY2020Q3	jpm	Protection Sold Credit Derivatives And Credit Related Notes More Than Five Years ProtectionSoldCreditDerivativesAndCreditRelatedNotesMoreThanFiveYears	113691000000	USD
CY2020Q3	us-gaap	Credit Derivative Maximum Exposure Undiscounted CreditDerivativeMaximumExposureUndiscounted	701481000000	USD
CY2020Q3	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	8169000000	USD
CY2020Q3	us-gaap	Credit Risk Derivative Liabilities At Fair Value CreditRiskDerivativeLiabilitiesAtFairValue	6082000000	USD
CY2020Q3	us-gaap	Credit Risk Derivatives At Fair Value Net CreditRiskDerivativesAtFairValueNet	2087000000	USD
CY2019Q4	jpm	Protection Sold Credit Derivatives And Credit Related Notes Ratings Less Than One Year ProtectionSoldCreditDerivativesAndCreditRelatedNotesRatingsLessThanOneYear	161587000000	USD
CY2019Q4	jpm	Protection Sold Credit Derivatives And Credit Related Notes Ratings From One To Five Years ProtectionSoldCreditDerivativesAndCreditRelatedNotesRatingsFromOneToFiveYears	399176000000	USD
CY2019Q4	jpm	Protection Sold Credit Derivatives And Credit Related Notes More Than Five Years ProtectionSoldCreditDerivativesAndCreditRelatedNotesMoreThanFiveYears	51970000000	USD
CY2019Q4	us-gaap	Credit Derivative Maximum Exposure Undiscounted CreditDerivativeMaximumExposureUndiscounted	612733000000	USD
CY2019Q4	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	10455000000	USD
CY2019Q4	us-gaap	Credit Risk Derivative Liabilities At Fair Value CreditRiskDerivativeLiabilitiesAtFairValue	3718000000	USD
CY2019Q4	us-gaap	Credit Risk Derivatives At Fair Value Net CreditRiskDerivativesAtFairValueNet	6737000000	USD
CY2020Q3	us-gaap	Underwriting Income Loss UnderwritingIncomeLoss	1755000000	USD
CY2019Q3	us-gaap	Underwriting Income Loss UnderwritingIncomeLoss	1472000000	USD
	us-gaap	Underwriting Income Loss UnderwritingIncomeLoss	5379000000	USD
	us-gaap	Underwriting Income Loss UnderwritingIncomeLoss	4013000000	USD
CY2020Q3	jpm	Investment Banking Advisory Fee Revenue InvestmentBankingAdvisoryFeeRevenue	432000000	USD
CY2019Q3	jpm	Investment Banking Advisory Fee Revenue InvestmentBankingAdvisoryFeeRevenue	495000000	USD
	jpm	Investment Banking Advisory Fee Revenue InvestmentBankingAdvisoryFeeRevenue	1524000000	USD
	jpm	Investment Banking Advisory Fee Revenue InvestmentBankingAdvisoryFeeRevenue	1645000000	USD
CY2020Q3	us-gaap	Investment Banking Revenue InvestmentBankingRevenue	2187000000	USD
CY2019Q3	us-gaap	Investment Banking Revenue InvestmentBankingRevenue	1967000000	USD
	us-gaap	Investment Banking Revenue InvestmentBankingRevenue	6903000000	USD
	us-gaap	Investment Banking Revenue InvestmentBankingRevenue	5658000000	USD
CY2020Q3	us-gaap	Trading Gains Losses TradingGainsLosses	4108000000	USD
CY2019Q3	us-gaap	Trading Gains Losses TradingGainsLosses	3430000000	USD
	us-gaap	Trading Gains Losses TradingGainsLosses	14656000000	USD
	us-gaap	Trading Gains Losses TradingGainsLosses	11297000000	USD
CY2020Q3	us-gaap	Principal Investment Gains Losses PrincipalInvestmentGainsLosses	34000000	USD
CY2019Q3	us-gaap	Principal Investment Gains Losses PrincipalInvestmentGainsLosses	19000000	USD
	us-gaap	Principal Investment Gains Losses PrincipalInvestmentGainsLosses	44000000	USD
	us-gaap	Principal Investment Gains Losses PrincipalInvestmentGainsLosses	-58000000	USD
CY2020Q3	us-gaap	Principal Transactions Revenue PrincipalTransactionsRevenue	4142000000	USD
CY2019Q3	us-gaap	Principal Transactions Revenue PrincipalTransactionsRevenue	3449000000	USD
	us-gaap	Principal Transactions Revenue PrincipalTransactionsRevenue	14700000000	USD
	us-gaap	Principal Transactions Revenue PrincipalTransactionsRevenue	11239000000	USD
CY2020Q3	jpm	Feesand Commissions Lending Activities FeesandCommissionsLendingActivities	337000000	USD
CY2019Q3	jpm	Feesand Commissions Lending Activities FeesandCommissionsLendingActivities	286000000	USD
	jpm	Feesand Commissions Lending Activities FeesandCommissionsLendingActivities	916000000	USD
	jpm	Feesand Commissions Lending Activities FeesandCommissionsLendingActivities	861000000	USD
CY2020Q3	jpm	Feesand Commissions Depositor Accounts1 FeesandCommissionsDepositorAccounts1	1310000000	USD
CY2019Q3	jpm	Feesand Commissions Depositor Accounts1 FeesandCommissionsDepositorAccounts1	1385000000	USD
	jpm	Feesand Commissions Depositor Accounts1 FeesandCommissionsDepositorAccounts1	3868000000	USD
	jpm	Asset Management Fees AssetManagementFees	8692000000	USD
	jpm	Feesand Commissions Depositor Accounts1 FeesandCommissionsDepositorAccounts1	3993000000	USD
CY2020Q3	jpm	Lending And Deposit Related Fees LendingAndDepositRelatedFees	1647000000	USD
CY2019Q3	jpm	Lending And Deposit Related Fees LendingAndDepositRelatedFees	1671000000	USD
	jpm	Lending And Deposit Related Fees LendingAndDepositRelatedFees	4784000000	USD
	jpm	Lending And Deposit Related Fees LendingAndDepositRelatedFees	4854000000	USD
CY2020Q3	jpm	Investment Advisory Fees1 InvestmentAdvisoryFees1	2937000000	USD
CY2019Q3	jpm	Investment Advisory Fees1 InvestmentAdvisoryFees1	2738000000	USD
	jpm	Investment Advisory Fees1 InvestmentAdvisoryFees1	8439000000	USD
	jpm	Investment Advisory Fees1 InvestmentAdvisoryFees1	8013000000	USD
CY2020Q3	jpm	All Other Asset Management Fees AllOtherAssetManagementFees	85000000	USD
CY2019Q3	jpm	All Other Asset Management Fees AllOtherAssetManagementFees	82000000	USD
	jpm	All Other Asset Management Fees AllOtherAssetManagementFees	253000000	USD
	jpm	All Other Asset Management Fees AllOtherAssetManagementFees	229000000	USD
CY2020Q3	jpm	Asset Management Fees AssetManagementFees	3022000000	USD
CY2019Q3	jpm	Asset Management Fees AssetManagementFees	2820000000	USD
	jpm	Asset Management Fees AssetManagementFees	8242000000	USD
CY2020Q3	jpm	Administrative Services Revenue1 AdministrativeServicesRevenue1	561000000	USD
CY2019Q3	jpm	Administrative Services Revenue1 AdministrativeServicesRevenue1	567000000	USD
	jpm	Administrative Services Revenue1 AdministrativeServicesRevenue1	1661000000	USD
	jpm	Administrative Services Revenue1 AdministrativeServicesRevenue1	1646000000	USD
CY2020Q3	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	645000000	USD
CY2019Q3	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	634000000	USD
	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	2224000000	USD
	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	1861000000	USD
CY2020Q3	jpm	Feesand Commissions Other1 FeesandCommissionsOther1	242000000	USD
CY2019Q3	jpm	Feesand Commissions Other1 FeesandCommissionsOther1	285000000	USD
	jpm	Feesand Commissions Other1 FeesandCommissionsOther1	699000000	USD
	jpm	Feesand Commissions Other1 FeesandCommissionsOther1	858000000	USD
CY2020Q3	jpm	Fees And Commissions1 FeesAndCommissions1	887000000	USD
CY2019Q3	jpm	Fees And Commissions1 FeesAndCommissions1	919000000	USD
	jpm	Fees And Commissions1 FeesAndCommissions1	2923000000	USD
CY2020Q3	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	524000000	USD
	jpm	Fees And Commissions1 FeesAndCommissions1	2719000000	USD
CY2020Q3	jpm	Asset Management Administration And Commissions AssetManagementAdministrationAndCommissions	4470000000	USD
CY2019Q3	jpm	Asset Management Administration And Commissions AssetManagementAdministrationAndCommissions	4306000000	USD
	jpm	Asset Management Administration And Commissions AssetManagementAdministrationAndCommissions	13276000000	USD
	jpm	Asset Management Administration And Commissions AssetManagementAdministrationAndCommissions	12607000000	USD
CY2020Q3	jpm	Fees And Commissions Credit And Debit Cards1 FeesAndCommissionsCreditAndDebitCards1	1169000000	USD
CY2019Q3	jpm	Fees And Commissions Credit And Debit Cards1 FeesAndCommissionsCreditAndDebitCards1	1233000000	USD
	jpm	Fees And Commissions Credit And Debit Cards1 FeesAndCommissionsCreditAndDebitCards1	3138000000	USD
	jpm	Fees And Commissions Credit And Debit Cards1 FeesAndCommissionsCreditAndDebitCards1	3741000000	USD
CY2019Q3	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	10000000	USD
	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	839000000	USD
	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	-2000000	USD
CY2020Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	186000000	USD
CY2019Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	114000000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	503000000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	378000000	USD
CY2020Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	10215000000	USD
CY2019Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	12977000000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	33409000000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	39269000000	USD
CY2020Q3	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	1816000000	USD
CY2019Q3	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	2132000000	USD
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	6203000000	USD
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	5712000000	USD
CY2020Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	294000000	USD
CY2019Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	318000000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	901000000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1021000000	USD
CY2020Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	2110000000	USD
CY2019Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	2450000000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	7104000000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	6733000000	USD
CY2020Q3	jpm	Interest Income Trading Assets InterestIncomeTradingAssets	1850000000	USD
CY2019Q3	jpm	Interest Income Trading Assets InterestIncomeTradingAssets	2216000000	USD
	jpm	Interest Income Trading Assets InterestIncomeTradingAssets	5980000000	USD
	jpm	Interest Income Trading Assets InterestIncomeTradingAssets	7123000000	USD
CY2020Q3	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	401000000	USD
CY2019Q3	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	1542000000	USD
	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	2097000000	USD
	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	4865000000	USD
CY2020Q3	jpm	Interest Income Securities Borrowed InterestIncomeSecuritiesBorrowed	-128000000	USD
CY2019Q3	jpm	Interest Income Securities Borrowed InterestIncomeSecuritiesBorrowed	434000000	USD
	jpm	Interest Income Securities Borrowed InterestIncomeSecuritiesBorrowed	-151000000	USD
	jpm	Interest Income Securities Borrowed InterestIncomeSecuritiesBorrowed	1298000000	USD
CY2020Q3	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	69000000	USD
CY2019Q3	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	898000000	USD
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	708000000	USD
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	3200000000	USD
CY2020Q3	us-gaap	Interest Income Other InterestIncomeOther	183000000	USD
CY2019Q3	us-gaap	Interest Income Other InterestIncomeOther	604000000	USD
	us-gaap	Interest Income Other InterestIncomeOther	826000000	USD
	us-gaap	Interest Income Other InterestIncomeOther	1625000000	USD
CY2020Q3	us-gaap	Interest Income Operating InterestIncomeOperating	14700000000	USD
CY2019Q3	us-gaap	Interest Income Operating InterestIncomeOperating	21121000000	USD
	us-gaap	Interest Income Operating InterestIncomeOperating	49973000000	USD
	us-gaap	Interest Income Operating InterestIncomeOperating	64113000000	USD
CY2020Q3	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	1293000000	USD
CY2020Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	245000000	USD
CY2019Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	2409000000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	2169000000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	7010000000	USD
CY2020Q3	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	105000000	USD
CY2019Q3	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	1241000000	USD
	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	1023000000	USD
	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	3577000000	USD
CY2020Q3	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	60000000	USD
CY2019Q3	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	261000000	USD
	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	335000000	USD
	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	1051000000	USD
CY2020Q3	us-gaap	Interest Expense Trading Liabilities InterestExpenseTradingLiabilities	-51000000	USD
CY2019Q3	us-gaap	Interest Expense Trading Liabilities InterestExpenseTradingLiabilities	660000000	USD
	us-gaap	Interest Expense Trading Liabilities InterestExpenseTradingLiabilities	278000000	USD
	us-gaap	Interest Expense Trading Liabilities InterestExpenseTradingLiabilities	2141000000	USD
CY2019Q3	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	2188000000	USD
	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	4679000000	USD
	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	6796000000	USD
CY2020Q3	us-gaap	Interest Expense Beneficial Interests Issued By Consolidated Variable Interest Entities InterestExpenseBeneficialInterestsIssuedByConsolidatedVariableInterestEntities	35000000	USD
CY2019Q3	us-gaap	Interest Expense Beneficial Interests Issued By Consolidated Variable Interest Entities InterestExpenseBeneficialInterestsIssuedByConsolidatedVariableInterestEntities	134000000	USD
	us-gaap	Interest Expense Beneficial Interests Issued By Consolidated Variable Interest Entities InterestExpenseBeneficialInterestsIssuedByConsolidatedVariableInterestEntities	184000000	USD
	us-gaap	Interest Expense Beneficial Interests Issued By Consolidated Variable Interest Entities InterestExpenseBeneficialInterestsIssuedByConsolidatedVariableInterestEntities	459000000	USD
CY2020Q3	us-gaap	Interest Expense InterestExpense	1687000000	USD
CY2019Q3	us-gaap	Interest Expense InterestExpense	6893000000	USD
	us-gaap	Interest Expense InterestExpense	8668000000	USD
	us-gaap	Interest Expense InterestExpense	21034000000	USD
CY2020Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	13013000000	USD
CY2019Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	14228000000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	41305000000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	43079000000	USD
CY2020Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	611000000	USD
CY2019Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1514000000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	19369000000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	4158000000	USD
CY2020Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	12402000000	USD
CY2019Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	12714000000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	21936000000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	38921000000	USD
CY2020Q3	us-gaap	Defined Benefit Plan Expected Future Employer Contributions Remainder Of Fiscal Year DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear	0	USD
CY2020Q3	jpm	Share Based Compensation Amortization Of Prior Grants Of Share Based Compensation ShareBasedCompensationAmortizationOfPriorGrantsOfShareBasedCompensation	249000000	USD
CY2019Q3	jpm	Share Based Compensation Amortization Of Prior Grants Of Share Based Compensation ShareBasedCompensationAmortizationOfPriorGrantsOfShareBasedCompensation	265000000	USD
	jpm	Share Based Compensation Amortization Of Prior Grants Of Share Based Compensation ShareBasedCompensationAmortizationOfPriorGrantsOfShareBasedCompensation	859000000	USD
	jpm	Share Based Compensation Amortization Of Prior Grants Of Share Based Compensation ShareBasedCompensationAmortizationOfPriorGrantsOfShareBasedCompensation	882000000	USD
CY2020Q3	jpm	Share Based Compensation Estimated Future Grants To Retirement Eligible Employees ShareBasedCompensationEstimatedFutureGrantsToRetirementEligibleEmployees	272000000	USD
CY2019Q3	jpm	Share Based Compensation Estimated Future Grants To Retirement Eligible Employees ShareBasedCompensationEstimatedFutureGrantsToRetirementEligibleEmployees	294000000	USD
	jpm	Share Based Compensation Estimated Future Grants To Retirement Eligible Employees ShareBasedCompensationEstimatedFutureGrantsToRetirementEligibleEmployees	1108000000	USD
	jpm	Share Based Compensation Estimated Future Grants To Retirement Eligible Employees ShareBasedCompensationEstimatedFutureGrantsToRetirementEligibleEmployees	900000000	USD
CY2020Q3	us-gaap	Share Based Compensation ShareBasedCompensation	521000000	USD
CY2019Q3	us-gaap	Share Based Compensation ShareBasedCompensation	559000000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	1967000000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	1782000000	USD
	jpm	Debt Securities Availableforsale Transferto Heldtomaturity Amount DebtSecuritiesAvailableforsaleTransfertoHeldtomaturityAmount	100500000000	USD
CY2020Q3	jpm	Debt Securities Availableforsale Transferto Heldtomaturity Amount DebtSecuritiesAvailableforsaleTransfertoHeldtomaturityAmount	74400000000	USD
CY2020Q1	jpm	Debt Securities Availableforsale Transferto Heldtomaturity Amount DebtSecuritiesAvailableforsaleTransfertoHeldtomaturityAmount	26100000000	USD
CY2020Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	382099000000	USD
CY2020Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	7875000000	USD
CY2020Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	391000000	USD
CY2020Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	389583000000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	345306000000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	5771000000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	378000000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	350699000000	USD
CY2020Q3	jpm	Debt Securities Held To Maturity Net Of Allowance For Credit Losses DebtSecuritiesHeldToMaturityNetOfAllowanceForCreditLosses	141553000000	USD
CY2020Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	3490000000	USD
CY2020Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	167000000	USD
CY2020Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	144996000000	USD
CY2019Q4	jpm	Debt Securities Held To Maturity Net Of Allowance For Credit Losses DebtSecuritiesHeldToMaturityNetOfAllowanceForCreditLosses	47540000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	1464000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	63000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	48941000000	USD
CY2019Q3	us-gaap	Debt Securities Held To Maturity Accrued Interest Writeoff DebtSecuritiesHeldToMaturityAccruedInterestWriteoff	0	USD
CY2020Q3	jpm	Availableforsale Securitiesand Heldtomaturity Securities Amortized Cost Basis AvailableforsaleSecuritiesandHeldtomaturitySecuritiesAmortizedCostBasis	523652000000	USD
CY2020Q3	jpm	Availableforsale Securitiesand Heldtomaturity Securities Accumulated Gross Unrealized Gainbefore Tax AvailableforsaleSecuritiesandHeldtomaturitySecuritiesAccumulatedGrossUnrealizedGainbeforeTax	11365000000	USD
CY2020Q3	jpm	Availableforsale Securitiesand Heldtomaturity Securities Accumulated Gross Unrealized Lossbefore Tax AvailableforsaleSecuritiesandHeldtomaturitySecuritiesAccumulatedGrossUnrealizedLossbeforeTax	558000000	USD
CY2020Q3	jpm	Availableforsale Securitiesand Heldtomaturity Securities Fair Value AvailableforsaleSecuritiesandHeldtomaturitySecuritiesFairValue	534579000000	USD
CY2019Q4	jpm	Availableforsale Securitiesand Heldtomaturity Securities Amortized Cost Basis AvailableforsaleSecuritiesandHeldtomaturitySecuritiesAmortizedCostBasis	392846000000	USD
CY2019Q4	jpm	Availableforsale Securitiesand Heldtomaturity Securities Accumulated Gross Unrealized Gainbefore Tax AvailableforsaleSecuritiesandHeldtomaturitySecuritiesAccumulatedGrossUnrealizedGainbeforeTax	7235000000	USD
CY2019Q4	jpm	Availableforsale Securitiesand Heldtomaturity Securities Accumulated Gross Unrealized Lossbefore Tax AvailableforsaleSecuritiesandHeldtomaturitySecuritiesAccumulatedGrossUnrealizedLossbeforeTax	441000000	USD
CY2019Q4	jpm	Availableforsale Securitiesand Heldtomaturity Securities Fair Value AvailableforsaleSecuritiesandHeldtomaturitySecuritiesFairValue	399640000000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	USD
CY2020Q3	us-gaap	Debt Securities Held To Maturity Purchase DebtSecuritiesHeldToMaturityPurchase	514000000	USD
	us-gaap	Debt Securities Held To Maturity Purchase DebtSecuritiesHeldToMaturityPurchase	5500000000	USD
CY2019Q3	us-gaap	Debt Securities Held To Maturity Purchase DebtSecuritiesHeldToMaturityPurchase	10900000000	USD
	us-gaap	Debt Securities Held To Maturity Purchase DebtSecuritiesHeldToMaturityPurchase	11700000000	USD
CY2020Q3	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	120000000	USD
CY2020Q3	us-gaap	Debt Securities Held To Maturity Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityAccruedInterestBeforeAllowanceForCreditLoss	2000000000.0	USD
CY2019Q4	us-gaap	Debt Securities Held To Maturity Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityAccruedInterestBeforeAllowanceForCreditLoss	1900000000	USD
	us-gaap	Debt Securities Held To Maturity Accrued Interest Writeoff DebtSecuritiesHeldToMaturityAccruedInterestWriteoff	0	USD
	us-gaap	Debt Securities Held To Maturity Accrued Interest Writeoff DebtSecuritiesHeldToMaturityAccruedInterestWriteoff	0	USD
	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	110000000	USD
CY2020Q3	us-gaap	Debt Securities Held To Maturity Accrued Interest Writeoff DebtSecuritiesHeldToMaturityAccruedInterestWriteoff	0	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	15235000000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	103000000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	4589000000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	82000000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	19824000000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	185000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	18608000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	49000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	10957000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	65000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	29565000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	114000000	USD
CY2020Q3	jpm	Debt Securities Held To Maturity External Credit Rating Percent Rated Aaa DebtSecuritiesHeldToMaturityExternalCreditRatingPercentRatedAAA	0.93
CY2020Q3	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	120000000	USD
CY2020Q3	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	97000000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	1123000000	USD
CY2019Q3	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	78000000	USD
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	2842000000	USD
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	454000000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Realized Loss Excluding Other Than Temporary Impairment DebtSecuritiesAvailableForSaleRealizedLossExcludingOtherThanTemporaryImpairment	648000000	USD
CY2019Q3	us-gaap	Debt Securities Available For Sale Realized Loss Excluding Other Than Temporary Impairment DebtSecuritiesAvailableForSaleRealizedLossExcludingOtherThanTemporaryImpairment	0	USD
	us-gaap	Debt Securities Available For Sale Realized Loss Excluding Other Than Temporary Impairment DebtSecuritiesAvailableForSaleRealizedLossExcludingOtherThanTemporaryImpairment	2108000000	USD
	us-gaap	Debt Securities Available For Sale Realized Loss Excluding Other Than Temporary Impairment DebtSecuritiesAvailableForSaleRealizedLossExcludingOtherThanTemporaryImpairment	319000000	USD
CY2020Q3	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings	2000000	USD
CY2019Q3	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings	0	USD
	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings	2000000	USD
	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings	0	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	473000000	USD
CY2019Q3	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	78000000	USD
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	732000000	USD
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	135000000	USD
CY2020Q3	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	97000000	USD
	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	110000000	USD
CY2020Q3	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis	46681000000	USD
CY2020Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis	131169000000	USD
CY2020Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis	64874000000	USD
CY2020Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis	139375000000	USD
CY2020Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	382099000000	USD
CY2020Q3	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	46755000000	USD
CY2020Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	132906000000	USD
CY2020Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	66586000000	USD
CY2020Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue	143336000000	USD
CY2020Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	389583000000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Maturity Within One Year Weighted Average Yield DebtSecuritiesAvailableForSaleMaturityWithinOneYearWeightedAverageYield	0.0052
CY2020Q3	us-gaap	Debt Securities Available For Sale Maturity After One Through Five Years Weighted Average Yield DebtSecuritiesAvailableForSaleMaturityAfterOneThroughFiveYearsWeightedAverageYield	0.0077
CY2020Q3	us-gaap	Debt Securities Available For Sale Maturity After Five Through Ten Years Weighted Average Yield DebtSecuritiesAvailableForSaleMaturityAfterFiveThroughTenYearsWeightedAverageYield	0.0106
CY2020Q3	us-gaap	Debt Securities Available For Sale Maturity After10 Years Weighted Average Yield DebtSecuritiesAvailableForSaleMaturityAfter10YearsWeightedAverageYield	0.0291
CY2020Q3	jpm	Debt Securities Availableforsale Maturity Weighted Average Yield DebtSecuritiesAvailableforsaleMaturityWeightedAverageYield	0.0157
CY2020Q3	us-gaap	Heldtomaturity Securities Debt Maturities Next Rolling Twelve Months Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCost	0	USD
CY2020Q3	us-gaap	Heldtomaturity Securities Debt Maturities Rolling Year Two Through Five Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCost	105000000	USD
CY2020Q3	us-gaap	Heldtomaturity Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCost	22634000000	USD
CY2020Q3	us-gaap	Heldtomaturity Securities Debt Maturities Rolling After Ten Years Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingAfterTenYearsAmortizedCost	118934000000	USD
CY2020Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	141673000000	USD
CY2020Q3	us-gaap	Held To Maturity Securities Debt Maturities Next Rolling Twelve Months Fair Value HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	0	USD
CY2020Q3	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Two Through Five Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	108000000	USD
CY2020Q3	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Six Through Ten Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	23482000000	USD
CY2020Q3	us-gaap	Held To Maturity Securities Debt Maturities Rolling After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue	121406000000	USD
CY2020Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	144996000000	USD
CY2020Q3	us-gaap	Debt Securities Held To Maturity Maturity Within One Year Weighted Average Yield DebtSecuritiesHeldToMaturityMaturityWithinOneYearWeightedAverageYield	0
CY2020Q3	us-gaap	Debt Securities Held To Maturity Maturity After One Through Five Years Weighted Average Yield DebtSecuritiesHeldToMaturityMaturityAfterOneThroughFiveYearsWeightedAverageYield	0.0239
CY2020Q3	us-gaap	Debt Securities Held To Maturity Maturity After Five Through Ten Years Weighted Average Yield DebtSecuritiesHeldToMaturityMaturityAfterFiveThroughTenYearsWeightedAverageYield	0.0197
CY2020Q3	us-gaap	Debt Securities Held To Maturity Maturity After10 Years Weighted Average Yield DebtSecuritiesHeldToMaturityMaturityAfter10YearsWeightedAverageYield	0.0291
CY2020Q3	jpm	Debt Securities Heldtomaturity Maturity Weighted Average Yield DebtSecuritiesHeldtomaturityMaturityWeightedAverageYield	0.0276
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	jpm	U.S.Non Agency Residential Collateralized Mortgage Obligations Estimated Duration U.S.NonAgencyResidentialCollateralizedMortgageObligationsEstimatedDuration	P3Y
CY2020Q3	us-gaap	Securities Purchased Under Agreements To Resell Gross Including Not Subject To Master Netting Arrangement SecuritiesPurchasedUnderAgreementsToResellGrossIncludingNotSubjectToMasterNettingArrangement	653504000000	USD
CY2020Q3	us-gaap	Securities Purchased Under Agreements To Resell Liability SecuritiesPurchasedUnderAgreementsToResellLiability	333655000000	USD
CY2020Q3	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	319849000000	USD
CY2020Q3	us-gaap	Securities Purchased Under Agreements To Resell Fair Value Of Collateral SecuritiesPurchasedUnderAgreementsToResellFairValueOfCollateral	297189000000	USD
CY2020Q3	us-gaap	Securities Purchased Under Agreements To Resell Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election SecuritiesPurchasedUnderAgreementsToResellOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	22660000000	USD
CY2020Q3	us-gaap	Securities Borrowed Gross Including Not Subject To Master Netting Arrangement SecuritiesBorrowedGrossIncludingNotSubjectToMasterNettingArrangement	169400000000	USD
CY2020Q3	us-gaap	Securities Borrowed Liability SecuritiesBorrowedLiability	26959000000	USD
CY2020Q3	us-gaap	Securities Borrowed SecuritiesBorrowed	142441000000	USD
CY2020Q3	us-gaap	Securities Borrowed Fair Value Of Collateral SecuritiesBorrowedFairValueOfCollateral	97418000000	USD
CY2020Q3	us-gaap	Securities Borrowed Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election SecuritiesBorrowedOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	45023000000	USD
CY2020Q3	us-gaap	Securities Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement SecuritiesSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	561489000000	USD
CY2020Q3	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	333655000000	USD
CY2020Q3	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	227834000000	USD
CY2020Q3	us-gaap	Securities Sold Under Agreements To Repurchase Fair Value Of Collateral SecuritiesSoldUnderAgreementsToRepurchaseFairValueOfCollateral	210378000000	USD
CY2020Q3	us-gaap	Securities Sold Under Agreements To Repurchase Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election SecuritiesSoldUnderAgreementsToRepurchaseOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	17456000000	USD
CY2020Q3	us-gaap	Securities Loaned Gross Including Not Subject To Master Netting Arrangement SecuritiesLoanedGrossIncludingNotSubjectToMasterNettingArrangement	36307000000	USD
CY2020Q3	us-gaap	Securities Loaned Asset SecuritiesLoanedAsset	26959000000	USD
CY2020Q3	us-gaap	Securities Loaned SecuritiesLoaned	9348000000	USD
CY2020Q3	us-gaap	Securities Loaned Fair Value Of Collateral SecuritiesLoanedFairValueOfCollateral	8884000000	USD
CY2020Q3	us-gaap	Securities Loaned Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election SecuritiesLoanedOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	464000000	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Gross Including Not Subject To Master Netting Arrangement SecuritiesPurchasedUnderAgreementsToResellGrossIncludingNotSubjectToMasterNettingArrangement	628609000000	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Liability SecuritiesPurchasedUnderAgreementsToResellLiability	379463000000	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	249146000000	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Fair Value Of Collateral SecuritiesPurchasedUnderAgreementsToResellFairValueOfCollateral	233818000000	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election SecuritiesPurchasedUnderAgreementsToResellOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	15328000000	USD
CY2019Q4	us-gaap	Securities Borrowed Gross Including Not Subject To Master Netting Arrangement SecuritiesBorrowedGrossIncludingNotSubjectToMasterNettingArrangement	166718000000	USD
CY2019Q4	us-gaap	Securities Borrowed Liability SecuritiesBorrowedLiability	26960000000	USD
CY2019Q4	us-gaap	Securities Borrowed SecuritiesBorrowed	139758000000	USD
CY2019Q4	us-gaap	Securities Borrowed Fair Value Of Collateral SecuritiesBorrowedFairValueOfCollateral	104990000000	USD
CY2019Q4	us-gaap	Securities Borrowed Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election SecuritiesBorrowedOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	34768000000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement SecuritiesSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	555172000000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	379463000000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	175709000000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Fair Value Of Collateral SecuritiesSoldUnderAgreementsToRepurchaseFairValueOfCollateral	151566000000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election SecuritiesSoldUnderAgreementsToRepurchaseOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	24143000000	USD
CY2019Q4	us-gaap	Securities Loaned Gross Including Not Subject To Master Netting Arrangement SecuritiesLoanedGrossIncludingNotSubjectToMasterNettingArrangement	36649000000	USD
CY2019Q4	us-gaap	Securities Loaned Asset SecuritiesLoanedAsset	26960000000	USD
CY2019Q4	us-gaap	Securities Loaned SecuritiesLoaned	9689000000	USD
CY2019Q4	us-gaap	Securities Loaned Fair Value Of Collateral SecuritiesLoanedFairValueOfCollateral	9654000000	USD
CY2019Q4	us-gaap	Securities Loaned Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election SecuritiesLoanedOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	35000000	USD
CY2020Q3	us-gaap	Securities Purchased Under Agreements To Resell Not Subject To Master Netting Arrangement SecuritiesPurchasedUnderAgreementsToResellNotSubjectToMasterNettingArrangement	15400000000	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Not Subject To Master Netting Arrangement SecuritiesPurchasedUnderAgreementsToResellNotSubjectToMasterNettingArrangement	11000000000.0	USD
CY2020Q3	us-gaap	Securities Borrowed Not Subject To Master Netting Arrangement Deduction SecuritiesBorrowedNotSubjectToMasterNettingArrangementDeduction	41800000000	USD
CY2019Q4	us-gaap	Securities Borrowed Not Subject To Master Netting Arrangement Deduction SecuritiesBorrowedNotSubjectToMasterNettingArrangementDeduction	31900000000	USD
CY2020Q3	us-gaap	Securities Sold Under Agreements To Repurchase Not Subject To Master Netting Arrangement SecuritiesSoldUnderAgreementsToRepurchaseNotSubjectToMasterNettingArrangement	16300000000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Not Subject To Master Netting Arrangement SecuritiesSoldUnderAgreementsToRepurchaseNotSubjectToMasterNettingArrangement	22700000000	USD
CY2020Q3	us-gaap	Securities Loaned Not Subject To Master Netting Arrangement Deduction SecuritiesLoanedNotSubjectToMasterNettingArrangementDeduction	36000000	USD
CY2019Q4	us-gaap	Securities Loaned Not Subject To Master Netting Arrangement Deduction SecuritiesLoanedNotSubjectToMasterNettingArrangementDeduction	7000000	USD
CY2020Q3	us-gaap	Securities Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement SecuritiesSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	561489000000	USD
CY2020Q3	us-gaap	Securities Loaned Gross Including Not Subject To Master Netting Arrangement SecuritiesLoanedGrossIncludingNotSubjectToMasterNettingArrangement	36307000000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement SecuritiesSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	555172000000	USD
CY2019Q4	us-gaap	Securities Loaned Gross Including Not Subject To Master Netting Arrangement SecuritiesLoanedGrossIncludingNotSubjectToMasterNettingArrangement	36649000000	USD
CY2020Q3	us-gaap	Securities Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement SecuritiesSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	561489000000	USD
CY2020Q3	us-gaap	Securities Loaned Gross Including Not Subject To Master Netting Arrangement SecuritiesLoanedGrossIncludingNotSubjectToMasterNettingArrangement	36307000000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement SecuritiesSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	555172000000	USD
CY2019Q4	us-gaap	Securities Loaned Gross Including Not Subject To Master Netting Arrangement SecuritiesLoanedGrossIncludingNotSubjectToMasterNettingArrangement	36649000000	USD
CY2020Q3	us-gaap	Transfers Accounted For As Secured Borrowings Assets Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount	526000000	USD
CY2019Q4	us-gaap	Financing Receivable Accrued Interest Before Allowance For Credit Loss FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss	2900000000	USD
CY2020Q3	us-gaap	Financing Receivable Accrued Interest Writeoff FinancingReceivableAccruedInterestWriteoff	34000000	USD
CY2019Q3	us-gaap	Financing Receivable Accrued Interest Writeoff FinancingReceivableAccruedInterestWriteoff	15000000	USD
CY2019Q4	us-gaap	Transfers Accounted For As Secured Borrowings Assets Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount	743000000	USD
	jpm	Numberof Loan Portfolio Segments NumberofLoanPortfolioSegments	3	loan_segment
CY2019	jpm	Numberof Loan Portfolio Segments NumberofLoanPortfolioSegments	3	loan_segment
CY2020Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	945537000000	USD
CY2020Q3	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	5983000000	USD
CY2020Q3	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	38220000000	USD
CY2020Q3	jpm	Financing Receivable Before Allowance For Credit Losses Netof Deferred Income FinancingReceivableBeforeAllowanceForCreditLossesNetofDeferredIncome	989740000000	USD
CY2019Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	945601000000	USD
CY2019Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	7064000000	USD
CY2019Q4	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	44955000000	USD
CY2019Q4	jpm	Financing Receivable Before Allowance For Credit Losses Netof Deferred Income FinancingReceivableBeforeAllowanceForCreditLossesNetofDeferredIncome	997620000000	USD
CY2020Q3	us-gaap	Financing Receivable Accrued Interest Before Allowance For Credit Loss FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss	2800000000	USD
	us-gaap	Financing Receivable Accrued Interest Writeoff FinancingReceivableAccruedInterestWriteoff	82000000	USD
	us-gaap	Financing Receivable Accrued Interest Writeoff FinancingReceivableAccruedInterestWriteoff	38000000	USD
CY2020Q3	us-gaap	Financing Receivable Significant Purchases FinancingReceivableSignificantPurchases	2089000000	USD
CY2019Q3	us-gaap	Financing Receivable Significant Purchases FinancingReceivableSignificantPurchases	712000000	USD
CY2020Q3	us-gaap	Financing Receivable Significant Sales FinancingReceivableSignificantSales	4578000000	USD
CY2019Q3	us-gaap	Financing Receivable Significant Sales FinancingReceivableSignificantSales	20529000000	USD
CY2020Q3	us-gaap	Financing Receivable Reclassification To Held For Sale FinancingReceivableReclassificationToHeldForSale	2185000000	USD
CY2019Q3	us-gaap	Financing Receivable Reclassification To Held For Sale FinancingReceivableReclassificationToHeldForSale	4248000000	USD
	us-gaap	Financing Receivable Significant Purchases FinancingReceivableSignificantPurchases	4117000000	USD
	us-gaap	Financing Receivable Significant Purchases FinancingReceivableSignificantPurchases	2085000000	USD
	us-gaap	Financing Receivable Significant Sales FinancingReceivableSignificantSales	13927000000	USD
	us-gaap	Financing Receivable Significant Sales FinancingReceivableSignificantSales	46888000000	USD
	us-gaap	Financing Receivable Reclassification To Held For Sale FinancingReceivableReclassificationToHeldForSale	3763000000	USD
	us-gaap	Financing Receivable Reclassification To Held For Sale FinancingReceivableReclassificationToHeldForSale	10734000000	USD
CY2020Q3	us-gaap	Gain Loss On Sale Of Notes Receivable GainLossOnSaleOfNotesReceivable	113000000	USD
	us-gaap	Gain Loss On Sale Of Notes Receivable GainLossOnSaleOfNotesReceivable	-75000000	USD
CY2020Q3	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	24000000	USD
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	-76000000	USD
CY2019Q3	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	254000000	USD
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	433000000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	13123000000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	13445000000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	5365000000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	5022000000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1156000000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	887000000	USD
	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	4209000000	USD
	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	4135000000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	17724000000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	4048000000	USD
	us-gaap	Financing Receivable Change In Present Value Expense Reversal FinancingReceivableChangeInPresentValueExpenseReversal	4000000	USD
	us-gaap	Financing Receivable Change In Present Value Expense Reversal FinancingReceivableChangeInPresentValueExpenseReversal	9000000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	30814000000	USD
CY2019Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	13235000000	USD
CY2019Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	1191000000	USD
CY2018Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	1055000000	USD
	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	1535000000	USD
	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	110000000	USD
	us-gaap	Off Balance Sheet Credit Loss Liability Change In Method Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityChangeInMethodCreditLossExpenseReversal	-1000000	USD
	us-gaap	Off Balance Sheet Credit Loss Liability Change In Method Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityChangeInMethodCreditLossExpenseReversal	0	USD
CY2020Q3	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	2823000000	USD
CY2019Q3	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	1165000000	USD
CY2020Q3	jpm	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiability	33637000000	USD
CY2019Q3	jpm	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiability	14400000000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	1672000000	USD
CY2019Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	975000000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	29142000000	USD
CY2019Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	11004000000	USD
CY2019Q3	us-gaap	Certain Loans And Debt Securities Acquired In Transfer Allowance For Credit Losses Due To Subsequent Impairment CertainLoansAndDebtSecuritiesAcquiredInTransferAllowanceForCreditLossesDueToSubsequentImpairment	1256000000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	30814000000	USD
CY2019Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	13235000000	USD
CY2020Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	22176000000	USD
CY2019Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	9300000000	USD
CY2020Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	923361000000	USD
CY2019Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	898297000000	USD
CY2019Q3	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Consumer Outstanding Balance CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesConsumerOutstandingBalance	21290000000	USD
CY2020Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	945537000000	USD
CY2019Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	928887000000	USD
CY2020Q3	jpm	Off Balance Sheet Credit Loss Liability Individually Evaluated For Impairment OffBalanceSheetCreditLossLiabilityIndividuallyEvaluatedForImpairment	109000000	USD
CY2019Q3	jpm	Off Balance Sheet Credit Loss Liability Individually Evaluated For Impairment OffBalanceSheetCreditLossLiabilityIndividuallyEvaluatedForImpairment	135000000	USD
CY2020Q3	jpm	Off Balance Sheet Credit Loss Liability Collectively Evaluated For Impairment OffBalanceSheetCreditLossLiabilityCollectivelyEvaluatedForImpairment	2714000000	USD
CY2019Q3	jpm	Off Balance Sheet Credit Loss Liability Collectively Evaluated For Impairment OffBalanceSheetCreditLossLiabilityCollectivelyEvaluatedForImpairment	1030000000	USD
CY2020Q3	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	2823000000	USD
CY2019Q3	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	1165000000	USD
CY2020Q3	jpm	Off Balance Sheet Lending Related Financial Commitments Contractual Amount Evaluated At Asset Specific Impairment Methodology OffBalanceSheetLendingRelatedFinancialCommitmentsContractualAmountEvaluatedAtAssetSpecificImpairmentMethodology	607000000	USD
CY2019Q3	jpm	Off Balance Sheet Lending Related Financial Commitments Contractual Amount Evaluated At Asset Specific Impairment Methodology OffBalanceSheetLendingRelatedFinancialCommitmentsContractualAmountEvaluatedAtAssetSpecificImpairmentMethodology	446000000	USD
CY2020Q3	jpm	Off Balance Sheet Lending Related Financial Commitments Contractual Amount Evaluatedat Portfolio Based Impairment Methodology OffBalanceSheetLendingRelatedFinancialCommitmentsContractualAmountEvaluatedatPortfolioBasedImpairmentMethodology	452989000000	USD
CY2019Q3	jpm	Off Balance Sheet Lending Related Financial Commitments Contractual Amount Evaluatedat Portfolio Based Impairment Methodology OffBalanceSheetLendingRelatedFinancialCommitmentsContractualAmountEvaluatedatPortfolioBasedImpairmentMethodology	418494000000	USD
CY2020Q3	jpm	Off Balance Sheet Lending Related Financial Commitments Excluding Commitments For Which Allowance For Credit Loss Not Permitted Contractual Amount OffBalanceSheetLendingRelatedFinancialCommitmentsExcludingCommitmentsForWhichAllowanceForCreditLossNotPermittedContractualAmount	453596000000	USD
CY2019Q3	jpm	Off Balance Sheet Lending Related Financial Commitments Excluding Commitments For Which Allowance For Credit Loss Not Permitted Contractual Amount OffBalanceSheetLendingRelatedFinancialCommitmentsExcludingCommitmentsForWhichAllowanceForCreditLossNotPermittedContractualAmount	418940000000	USD
CY2020Q3	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	120000000	USD
	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	110000000	USD
CY2020Q3	us-gaap	Continuing Involvement With Transferred Financial Assets Principal Amount Outstanding ContinuingInvolvementWithTransferredFinancialAssetsPrincipalAmountOutstanding	184468000000	USD
CY2019Q4	us-gaap	Continuing Involvement With Transferred Financial Assets Principal Amount Outstanding ContinuingInvolvementWithTransferredFinancialAssetsPrincipalAmountOutstanding	186912000000	USD
CY2020Q3	jpm	Percent Of Retained Securitization Interests Fair Value Rated Or Better PercentOfRetainedSecuritizationInterestsFairValueRatedOrBetter	0.71
CY2019Q4	jpm	Percent Of Retained Securitization Interests Fair Value Rated Or Better PercentOfRetainedSecuritizationInterestsFairValueRatedOrBetter	0.63
CY2020Q3	jpm	Securities Transferred To Agency Resecuritization Vies SecuritiesTransferredToAgencyResecuritizationVies	12488000000	USD
CY2019Q3	jpm	Securities Transferred To Agency Resecuritization Vies SecuritiesTransferredToAgencyResecuritizationVies	5377000000	USD
	jpm	Securities Transferred To Agency Resecuritization Vies SecuritiesTransferredToAgencyResecuritizationVies	27710000000	USD
	jpm	Securities Transferred To Agency Resecuritization Vies SecuritiesTransferredToAgencyResecuritizationVies	12444000000	USD
CY2020Q3	us-gaap	Goodwill Goodwill	47819000000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	47823000000	USD
CY2020Q2	us-gaap	Goodwill Goodwill	47811000000	USD
CY2019Q2	us-gaap	Goodwill Goodwill	47477000000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	47823000000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	47471000000	USD
CY2020Q3	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	USD
CY2019Q3	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	348000000	USD
CY2020Q3	jpm	Servicing Asset At Fair Value Additions Originations ServicingAssetAtFairValueAdditionsOriginations	204000000	USD
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	USD
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	348000000	USD
CY2020Q3	us-gaap	Goodwill Other Increase Decrease GoodwillOtherIncreaseDecrease	8000000	USD
CY2019Q3	us-gaap	Goodwill Other Increase Decrease GoodwillOtherIncreaseDecrease	-7000000	USD
	us-gaap	Goodwill Other Increase Decrease GoodwillOtherIncreaseDecrease	-4000000	USD
	us-gaap	Goodwill Other Increase Decrease GoodwillOtherIncreaseDecrease	-1000000	USD
CY2020Q3	us-gaap	Goodwill Goodwill	47819000000	USD
CY2019Q3	us-gaap	Goodwill Goodwill	47818000000	USD
CY2020Q3	us-gaap	Goodwill Goodwill	47819000000	USD
CY2019Q3	us-gaap	Goodwill Goodwill	47818000000	USD
	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020Q2	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	3080000000	USD
CY2019Q2	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	5093000000	USD
CY2019Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	4699000000	USD
CY2018Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	6130000000	USD
CY2019Q3	jpm	Servicing Asset At Fair Value Additions Originations ServicingAssetAtFairValueAdditionsOriginations	390000000	USD
	jpm	Servicing Asset At Fair Value Additions Originations ServicingAssetAtFairValueAdditionsOriginations	639000000	USD
	jpm	Servicing Asset At Fair Value Additions Originations ServicingAssetAtFairValueAdditionsOriginations	1146000000	USD
CY2020Q3	jpm	Servicing Asset At Fair Value Additions Purchases ServicingAssetAtFairValueAdditionsPurchases	17000000	USD
CY2019Q3	jpm	Servicing Asset At Fair Value Additions Purchases ServicingAssetAtFairValueAdditionsPurchases	-2000000	USD
	jpm	Servicing Asset At Fair Value Additions Purchases ServicingAssetAtFairValueAdditionsPurchases	24000000	USD
	jpm	Servicing Asset At Fair Value Additions Purchases ServicingAssetAtFairValueAdditionsPurchases	104000000	USD
CY2020Q3	us-gaap	Servicing Asset At Fair Value Disposals ServicingAssetAtFairValueDisposals	104000000	USD
CY2019Q3	us-gaap	Servicing Asset At Fair Value Disposals ServicingAssetAtFairValueDisposals	359000000	USD
	us-gaap	Servicing Asset At Fair Value Disposals ServicingAssetAtFairValueDisposals	177000000	USD
	us-gaap	Servicing Asset At Fair Value Disposals ServicingAssetAtFairValueDisposals	687000000	USD
CY2020Q3	jpm	Mortgage Servicing Rights Net Additions MortgageServicingRightsNetAdditions	117000000	USD
CY2019Q3	jpm	Mortgage Servicing Rights Net Additions MortgageServicingRightsNetAdditions	29000000	USD
	jpm	Mortgage Servicing Rights Net Additions MortgageServicingRightsNetAdditions	486000000	USD
	jpm	Mortgage Servicing Rights Net Additions MortgageServicingRightsNetAdditions	563000000	USD
CY2020Q3	jpm	Servicing Assetat Fair Value Changesduetocollectionrealizationofexpectedcashflows ServicingAssetatFairValueChangesduetocollectionrealizationofexpectedcashflows	-215000000	USD
CY2019Q3	jpm	Servicing Assetat Fair Value Changesduetocollectionrealizationofexpectedcashflows ServicingAssetatFairValueChangesduetocollectionrealizationofexpectedcashflows	-256000000	USD
	jpm	Servicing Assetat Fair Value Changesduetocollectionrealizationofexpectedcashflows ServicingAssetatFairValueChangesduetocollectionrealizationofexpectedcashflows	-710000000	USD
	jpm	Servicing Assetat Fair Value Changesduetocollectionrealizationofexpectedcashflows ServicingAssetatFairValueChangesduetocollectionrealizationofexpectedcashflows	-702000000	USD
CY2020Q3	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsmarketinterestratesandother ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsmarketinterestratesandother	-59000000	USD
CY2019Q3	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsmarketinterestratesandother ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsmarketinterestratesandother	-433000000	USD
	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsmarketinterestratesandother ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsmarketinterestratesandother	-1573000000	USD
	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsmarketinterestratesandother ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsmarketinterestratesandother	-1274000000	USD
CY2020Q3	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsprojectedcashflows ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsprojectedcashflows	-82000000	USD
CY2019Q3	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsprojectedcashflows ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsprojectedcashflows	17000000	USD
	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsprojectedcashflows ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsprojectedcashflows	-80000000	USD
	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsprojectedcashflows ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsprojectedcashflows	-333000000	USD
CY2020Q3	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsdiscountrates ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsdiscountrates	199000000	USD
CY2019Q3	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsdiscountrates ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsdiscountrates	0	USD
	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsdiscountrates ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsdiscountrates	199000000	USD
	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsdiscountrates ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsdiscountrates	153000000	USD
CY2020Q3	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsprepaymentmodelchangesandother ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsprepaymentmodelchangesandother	-24000000	USD
CY2019Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInPrepaymentSpeed	384000000	USD
	jpm	Weighted Average Option Adjusted Spread WeightedAverageOptionAdjustedSpread	0.0737
CY2019	jpm	Weighted Average Option Adjusted Spread WeightedAverageOptionAdjustedSpread	0.0793
CY2020Q3	jpm	Weighted Average Option Adjusted Spread Impact On Fair Value Of Hundred Basis Points Adverse Change WeightedAverageOptionAdjustedSpreadImpactOnFairValueOfHundredBasisPointsAdverseChange	121000000	USD
CY2019Q4	jpm	Weighted Average Option Adjusted Spread Impact On Fair Value Of Hundred Basis Points Adverse Change WeightedAverageOptionAdjustedSpreadImpactOnFairValueOfHundredBasisPointsAdverseChange	169000000	USD
CY2019Q3	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsprepaymentmodelchangesandother ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsprepaymentmodelchangesandother	-31000000	USD
	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsprepaymentmodelchangesandother ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsprepaymentmodelchangesandother	-5000000	USD
	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsprepaymentmodelchangesandother ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsprepaymentmodelchangesandother	-118000000	USD
CY2020Q3	jpm	Servicing Assetat Fair Value Changesin Fair Value Resultingfrom Changesin Other Valuation Inputsor Changesin Assumptions ServicingAssetatFairValueChangesinFairValueResultingfromChangesinOtherValuationInputsorChangesinAssumptions	93000000	USD
CY2019Q3	jpm	Servicing Assetat Fair Value Changesin Fair Value Resultingfrom Changesin Other Valuation Inputsor Changesin Assumptions ServicingAssetatFairValueChangesinFairValueResultingfromChangesinOtherValuationInputsorChangesinAssumptions	-14000000	USD
	jpm	Servicing Assetat Fair Value Changesin Fair Value Resultingfrom Changesin Other Valuation Inputsor Changesin Assumptions ServicingAssetatFairValueChangesinFairValueResultingfromChangesinOtherValuationInputsorChangesinAssumptions	114000000	USD
	jpm	Servicing Assetat Fair Value Changesin Fair Value Resultingfrom Changesin Other Valuation Inputsor Changesin Assumptions ServicingAssetatFairValueChangesinFairValueResultingfromChangesinOtherValuationInputsorChangesinAssumptions	-298000000	USD
CY2020Q3	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	34000000	USD
CY2019Q3	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	-447000000	USD
	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	-1459000000	USD
	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	-1572000000	USD
CY2020Q3	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	3016000000	USD
CY2019Q3	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	4419000000	USD
CY2020Q3	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	3016000000	USD
CY2019Q3	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	4419000000	USD
CY2020Q3	jpm	Mortgage Servicing Rights Change In Unrealized Gains Losses Included In Income MortgageServicingRightsChangeInUnrealizedGainsLossesIncludedInIncome	34000000	USD
CY2019Q3	jpm	Mortgage Servicing Rights Change In Unrealized Gains Losses Included In Income MortgageServicingRightsChangeInUnrealizedGainsLossesIncludedInIncome	-447000000	USD
	jpm	Mortgage Servicing Rights Change In Unrealized Gains Losses Included In Income MortgageServicingRightsChangeInUnrealizedGainsLossesIncludedInIncome	-1459000000	USD
	jpm	Mortgage Servicing Rights Change In Unrealized Gains Losses Included In Income MortgageServicingRightsChangeInUnrealizedGainsLossesIncludedInIncome	-1572000000	USD
CY2020Q3	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	333000000	USD
CY2019Q3	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	397000000	USD
	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	1026000000	USD
	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	1254000000	USD
CY2020Q3	jpm	Mortgage Loans Serviced Third Party At Period End MortgageLoansServicedThirdPartyAtPeriodEnd	456000000000	USD
CY2019Q3	jpm	Mortgage Loans Serviced Third Party At Period End MortgageLoansServicedThirdPartyAtPeriodEnd	537000000000	USD
CY2020Q3	jpm	Mortgage Loans Serviced Third Party At Period End MortgageLoansServicedThirdPartyAtPeriodEnd	456000000000	USD
CY2019Q3	jpm	Mortgage Loans Serviced Third Party At Period End MortgageLoansServicedThirdPartyAtPeriodEnd	537000000000	USD
CY2020Q3	jpm	Servicer Advances On Mortgage Loans ServicerAdvancesOnMortgageLoans	1700000000	USD
CY2019Q3	jpm	Servicer Advances On Mortgage Loans ServicerAdvancesOnMortgageLoans	2000000000.0	USD
CY2020Q3	jpm	Servicer Advances On Mortgage Loans ServicerAdvancesOnMortgageLoans	1700000000	USD
CY2019Q3	jpm	Servicer Advances On Mortgage Loans ServicerAdvancesOnMortgageLoans	2000000000.0	USD
CY2020Q3	jpm	Fees And Commissions Mortgage Banking And Related All Other FeesAndCommissionsMortgageBankingAndRelatedAllOther	11000000	USD
CY2019Q3	jpm	Fees And Commissions Mortgage Banking And Related All Other FeesAndCommissionsMortgageBankingAndRelatedAllOther	1000000	USD
	jpm	Fees And Commissions Mortgage Banking And Related All Other FeesAndCommissionsMortgageBankingAndRelatedAllOther	11000000	USD
	jpm	Fees And Commissions Mortgage Banking And Related All Other FeesAndCommissionsMortgageBankingAndRelatedAllOther	1000000	USD
CY2020Q3	jpm	Mortgage Fees And Related Income MortgageFeesAndRelatedIncome	1087000000	USD
CY2019Q3	jpm	Mortgage Fees And Related Income MortgageFeesAndRelatedIncome	887000000	USD
	jpm	Mortgage Fees And Related Income MortgageFeesAndRelatedIncome	2324000000	USD
	jpm	Mortgage Fees And Related Income MortgageFeesAndRelatedIncome	1562000000	USD
	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of Other Than10 Or20 Percent Adverse Change In Prepayment Speed Percent SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOfOtherThan10Or20PercentAdverseChangeInPrepaymentSpeedPercent	0.1694
CY2019	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of Other Than10 Or20 Percent Adverse Change In Prepayment Speed Percent SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOfOtherThan10Or20PercentAdverseChangeInPrepaymentSpeedPercent	0.1167
CY2020Q3	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInPrepaymentSpeed	203000000	USD
CY2019Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInPrepaymentSpeed	200000000	USD
CY2020Q3	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInPrepaymentSpeed	386000000	USD
CY2020Q3	us-gaap	Deposits Deposits	2001416000000	USD
CY2019Q4	us-gaap	Deposits Deposits	1562431000000	USD
CY2020Q3	jpm	Weighted Average Option Adjusted Spread Impact On Fair Value Of Two Hundred Basis Points Adverse Change WeightedAverageOptionAdjustedSpreadImpactOnFairValueOfTwoHundredBasisPointsAdverseChange	233000000	USD
CY2019Q4	jpm	Weighted Average Option Adjusted Spread Impact On Fair Value Of Two Hundred Basis Points Adverse Change WeightedAverageOptionAdjustedSpreadImpactOnFairValueOfTwoHundredBasisPointsAdverseChange	326000000	USD
CY2020Q3	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	540116000000	USD
CY2019Q4	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	395667000000	USD
CY2020Q3	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	1117149000000	USD
CY2019Q4	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	876156000000	USD
CY2020Q3	us-gaap	Deposits Domestic DepositsDomestic	1657265000000	USD
CY2019Q4	us-gaap	Deposits Domestic DepositsDomestic	1271823000000	USD
CY2020Q3	us-gaap	Noninterest Bearing Deposit Liabilities Foreign NoninterestBearingDepositLiabilitiesForeign	21406000000	USD
CY2019Q4	us-gaap	Noninterest Bearing Deposit Liabilities Foreign NoninterestBearingDepositLiabilitiesForeign	20087000000	USD
CY2020Q3	us-gaap	Interest Bearing Deposit Liabilities Foreign InterestBearingDepositLiabilitiesForeign	322745000000	USD
CY2019Q4	us-gaap	Interest Bearing Deposit Liabilities Foreign InterestBearingDepositLiabilitiesForeign	270521000000	USD
CY2020Q3	us-gaap	Deposits Foreign DepositsForeign	344151000000	USD
CY2019Q4	us-gaap	Deposits Foreign DepositsForeign	290608000000	USD
CY2020Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	7883000000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	8190000000	USD
CY2020Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	8335000000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	8505000000	USD
CY2020Q3	us-gaap	Lease Cost LeaseCost	474000000	USD
CY2019Q3	us-gaap	Lease Cost LeaseCost	468000000	USD
	us-gaap	Lease Cost LeaseCost	1400000000	USD
	us-gaap	Lease Cost LeaseCost	1400000000	USD
CY2020Q3	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	1425000000	USD
CY2019Q3	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	1384000000	USD
	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	4236000000	USD
	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	4027000000	USD
CY2020Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	3006250	shares
CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	2699250	shares
CY2020Q3	us-gaap	Preferred Stock Including Additional Paid In Capital Net Of Discount PreferredStockIncludingAdditionalPaidInCapitalNetOfDiscount	30063000000	USD
CY2019Q4	us-gaap	Preferred Stock Including Additional Paid In Capital Net Of Discount PreferredStockIncludingAdditionalPaidInCapitalNetOfDiscount	26993000000	USD
CY2020Q3	us-gaap	Preferred Stock Redemption Price Per Share PreferredStockRedemptionPricePerShare	10000
CY2020Q3	us-gaap	Preferred Stock Liquidation Preference Value PreferredStockLiquidationPreferenceValue	30400000000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	9443000000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	9080000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	16995000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	27911000000	USD
CY2020Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	381000000	USD
CY2019Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	423000000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1203000000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1201000000	USD
CY2020Q3	jpm	Net Income Applicable To Common Equity NetIncomeApplicableToCommonEquity	9062000000	USD
CY2019Q3	jpm	Net Income Applicable To Common Equity NetIncomeApplicableToCommonEquity	8657000000	USD
	jpm	Net Income Applicable To Common Equity NetIncomeApplicableToCommonEquity	15792000000	USD
	jpm	Net Income Applicable To Common Equity NetIncomeApplicableToCommonEquity	26710000000	USD
CY2020Q3	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	47000000	USD
CY2019Q3	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	51000000	USD
	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	80000000	USD
	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	159000000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	9015000000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	8606000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	15712000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	26551000000	USD
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	3077800000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	3198500000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	3083300000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	3248700000	shares
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.93
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.69
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.10
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	8.17
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	9015000000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	8606000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	15712000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	26551000000	USD
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	3077800000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	3198500000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	3083300000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	3248700000	shares
CY2020Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	5000000.0	shares
CY2019Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	8700000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	4800000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	9300000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	3082800000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	3207200000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	3088100000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	3258000000.0	shares
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.92
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.68
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.09
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	8.15
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	151000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	686000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	7371000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	3307000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	26000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-125000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	151000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	1126000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	440000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	686000000	USD
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	9785000000	USD
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	2414000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	7371000000	USD
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	4474000000	USD
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	1167000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	3307000000	USD
CY2020Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	24700000000	USD
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	46500000000	USD
CY2020Q3	jpm	Cash And Securities Pledged With Clearing Organizations For The Benefit Of Customers CashAndSecuritiesPledgedWithClearingOrganizationsForTheBenefitOfCustomers	35100000000	USD
CY2019Q4	jpm	Cash And Securities Pledged With Clearing Organizations For The Benefit Of Customers CashAndSecuritiesPledgedWithClearingOrganizationsForTheBenefitOfCustomers	24700000000	USD
CY2020Q3	us-gaap	Securities Reserve Deposit Required And Made SecuritiesReserveDepositRequiredAndMade	5600000000	USD
CY2019Q4	us-gaap	Securities Reserve Deposit Required And Made SecuritiesReserveDepositRequiredAndMade	8800000000	USD
CY2020Q3	jpm	Off Balance Sheet Lending Related Financial Commitments Contractual Amount Expiringin Less Than One Year OffBalanceSheetLendingRelatedFinancialCommitmentsContractualAmountExpiringinLessThanOneYear	805651000000	USD
CY2020Q3	jpm	Off Balance Sheet Lending Related Financial Commitments Contractual Amount Expiring Between Oneand Three One Years OffBalanceSheetLendingRelatedFinancialCommitmentsContractualAmountExpiringBetweenOneandThreeOneYears	170427000000	USD
CY2020Q3	jpm	Off Balance Sheet Lending Related Financial Commitments Contractual Amount Expiring Between Threeand Five Years OffBalanceSheetLendingRelatedFinancialCommitmentsContractualAmountExpiringBetweenThreeandFiveYears	141743000000	USD
CY2020Q3	jpm	Off Balance Sheet Lending Related Financial Commitments Contractual Amount Expiringin More Than Five Years OffBalanceSheetLendingRelatedFinancialCommitmentsContractualAmountExpiringinMoreThanFiveYears	32699000000	USD
CY2020Q3	jpm	Off Balance Sheet Lending Related Financial Commitments Contractual Amount OffBalanceSheetLendingRelatedFinancialCommitmentsContractualAmount	1150520000000	USD
CY2019Q4	jpm	Off Balance Sheet Lending Related Financial Commitments Contractual Amount OffBalanceSheetLendingRelatedFinancialCommitmentsContractualAmount	1108399000000	USD
CY2020Q3	jpm	Off Balance Sheet Lending Related Financial Instruments Carrying Value OffBalanceSheetLendingRelatedFinancialInstrumentsCarryingValue	3201000000	USD
CY2019Q4	jpm	Off Balance Sheet Lending Related Financial Instruments Carrying Value OffBalanceSheetLendingRelatedFinancialInstrumentsCarryingValue	1586000000	USD
CY2020Q3	us-gaap	Financial Instruments Owned And Pledged As Collateral Amount Eligible To Be Repledged By Counterparty FinancialInstrumentsOwnedAndPledgedAsCollateralAmountEligibleToBeRepledgedByCounterparty	189900000000	USD
CY2019Q4	us-gaap	Financial Instruments Owned And Pledged As Collateral Amount Eligible To Be Repledged By Counterparty FinancialInstrumentsOwnedAndPledgedAsCollateralAmountEligibleToBeRepledgedByCounterparty	125200000000	USD
CY2020Q3	us-gaap	Financial Instruments Owned And Pledged As Collateral Amount Not Eligible To Be Repledged By Counterparty FinancialInstrumentsOwnedAndPledgedAsCollateralAmountNotEligibleToBeRepledgedByCounterparty	98800000000	USD
CY2019Q4	us-gaap	Financial Instruments Owned And Pledged As Collateral Amount Not Eligible To Be Repledged By Counterparty FinancialInstrumentsOwnedAndPledgedAsCollateralAmountNotEligibleToBeRepledgedByCounterparty	80200000000	USD
CY2020Q3	us-gaap	Security Owned And Pledged As Collateral Fair Value SecurityOwnedAndPledgedAsCollateralFairValue	730300000000	USD
CY2019Q4	us-gaap	Security Owned And Pledged As Collateral Fair Value SecurityOwnedAndPledgedAsCollateralFairValue	684300000000	USD
CY2020Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	13013000000	USD
CY2019Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	14228000000	USD
CY2020Q3	us-gaap	Fair Value Of Securities Received As Collateral That Can Be Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatCanBeResoldOrRepledged	1361500000000	USD
CY2019Q4	us-gaap	Fair Value Of Securities Received As Collateral That Can Be Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatCanBeResoldOrRepledged	1282500000000	USD
CY2020Q3	us-gaap	Fair Value Of Securities Received As Collateral That Have Been Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatHaveBeenResoldOrRepledged	999800000000	USD
CY2019Q4	us-gaap	Fair Value Of Securities Received As Collateral That Have Been Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatHaveBeenResoldOrRepledged	1000500000000	USD
CY2020Q3	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	524000000	USD
CY2019Q3	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	10000000	USD
	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	839000000	USD
	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	-2000000	USD
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4	segment
CY2020Q3	us-gaap	Noninterest Income NoninterestIncome	16134000000	USD
CY2019Q3	us-gaap	Noninterest Income NoninterestIncome	15063000000	USD
CY2020Q3	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	29147000000	USD
CY2019Q3	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	29291000000	USD
CY2020Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	611000000	USD
CY2019Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1514000000	USD
CY2020Q3	us-gaap	Noninterest Expense NoninterestExpense	16875000000	USD
CY2019Q3	us-gaap	Noninterest Expense NoninterestExpense	16372000000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	11661000000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	11405000000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2218000000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2325000000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	9443000000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	9080000000	USD
CY2020Q3	jpm	Segment Reporting Information Average Common Equity SegmentReportingInformationAverageCommonEquity	236797000000	USD
CY2019Q3	jpm	Segment Reporting Information Average Common Equity SegmentReportingInformationAverageCommonEquity	235613000000	USD
CY2020Q3	us-gaap	Assets Assets	3246076000000	USD
CY2019Q3	us-gaap	Assets Assets	2764661000000	USD
CY2020Q3	jpm	Segment Reporting Information Return On Average Common Equity SegmentReportingInformationReturnOnAverageCommonEquity	0.15
CY2019Q3	jpm	Segment Reporting Information Return On Average Common Equity SegmentReportingInformationReturnOnAverageCommonEquity	0.15
CY2020Q3	jpm	Segment Reporting Information Overhead Ratio SegmentReportingInformationOverheadRatio	0.58
CY2019Q3	jpm	Segment Reporting Information Overhead Ratio SegmentReportingInformationOverheadRatio	0.56
	us-gaap	Noninterest Income NoninterestIncome	49014000000	USD
	us-gaap	Noninterest Income NoninterestIncome	44035000000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	41305000000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	43079000000	USD
	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	90319000000	USD
	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	87114000000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	19369000000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	4158000000	USD
	us-gaap	Noninterest Expense NoninterestExpense	50608000000	USD
	us-gaap	Noninterest Expense NoninterestExpense	48976000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	20342000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	33980000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3347000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6069000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	16995000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	27911000000	USD
	jpm	Segment Reporting Information Average Common Equity SegmentReportingInformationAverageCommonEquity	235251000000	USD
	jpm	Segment Reporting Information Average Common Equity SegmentReportingInformationAverageCommonEquity	232917000000	USD
CY2020Q3	us-gaap	Assets Assets	3246076000000	USD
CY2019Q3	us-gaap	Assets Assets	2764661000000	USD
	jpm	Segment Reporting Information Return On Average Common Equity SegmentReportingInformationReturnOnAverageCommonEquity	0.09
	jpm	Segment Reporting Information Return On Average Common Equity SegmentReportingInformationReturnOnAverageCommonEquity	0.15
	jpm	Segment Reporting Information Overhead Ratio SegmentReportingInformationOverheadRatio	0.56
	jpm	Segment Reporting Information Overhead Ratio SegmentReportingInformationOverheadRatio	0.56

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2020 Q3 Form 10-Q Financial Statement

#000001961720000438 Filed on November 02, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$JPM JPMORGAN CHASE & CO Stock $jpm

2020 Q3 Form 10-Q Financial Statement

#000001961720000438 Filed on November 02, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$JPM
JPMORGAN CHASE & CO Stock $jpm