$JPM
JPMORGAN CHASE & CO Stock $jpm

$jpm Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-K Financial Statement

#000001961721000236 Filed on February 23, 2021

Income Statement

Concept	2019 Q4	2018 Q4	2018
Revenue			$108.8B
YoY Change			8.02%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development			$8.802B
YoY Change			14.09%
% of Gross Profit
Depreciation & Amortization	$2.139B	$2.075B	$7.791B
YoY Change	3.08%	27.14%	26.09%
% of Gross Profit
Operating Expenses			$8.802B
YoY Change			14.09%
Operating Profit
YoY Change
Interest Expense			$21.04B
YoY Change			51.66%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$10.57B	$8.841B	$40.76B
YoY Change	19.5%	7.11%	13.55%
Income Tax	$2.045B	$1.775B	$8.290B
% Of Pretax Income	19.36%	20.08%	20.34%
Net Earnings	$8.520B	$7.066B	$32.47B
YoY Change	20.58%	66.97%	32.87%
Net Earnings / Revenue			29.85%
Basic Earnings Per Share			$9.04
Diluted Earnings Per Share	$2.706M	$2.111M	$9.00
COMMON SHARES
Basic Shares Outstanding			3.396B shares
Diluted Shares Outstanding			3.414B shares

Balance Sheet

Concept	2019 Q4	2018 Q4	2018
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$263.6B	$278.8B
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	$25.81B	$14.93B	$14.93B
YoY Change	72.85%	5.47%	5.47%
Goodwill	$47.82B	$47.47B
YoY Change	0.74%	-0.08%
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	$2686B	$2623B	$2623B
YoY Change	2.44%	3.51%	3.51%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$201.9B	$196.7B	$196.7B
YoY Change	2.64%	3.87%	3.87%
Accrued Expenses	$8.505B
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$40.92B	$69.28B	$251.6B
YoY Change	-40.93%	33.73%	19.4%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$210.4B	$196.7B	$196.7B
YoY Change	6.96%	3.87%	3.87%
LONG-TERM LIABILITIES
Long-Term Debt	$291.5B	$282.0B	$282.0B
YoY Change	3.36%	-0.72%	-0.72%
Other Long-Term Liabilities	$137.1B	$165.0B	$165.0B
YoY Change	-16.91%	10.2%	10.2%
Total Long-Term Liabilities	$428.6B	$447.0B	$447.0B
YoY Change	-4.12%	3.05%	3.05%
TOTAL LIABILITIES
Total Short-Term Liabilities	$210.4B	$196.7B	$196.7B
Total Long-Term Liabilities	$428.6B	$447.0B	$447.0B
Total Liabilities	$2426B	$2366B	$2366B
YoY Change	2.54%	3.87%	3.87%
SHAREHOLDERS EQUITY
Retained Earnings	$223.2B	$199.2B
YoY Change	12.05%	12.12%
Common Stock	$92.63B	$93.27B
YoY Change	-0.69%	-1.5%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$83.05B	$60.49B
YoY Change	37.28%	42.02%
Treasury Stock Shares	1.021B shares	829.2M shares
Shareholders Equity	$261.3B	$256.5B	$256.5B
YoY Change
Total Liabilities & Shareholders Equity	$2687B	$2623B	$2623B
YoY Change	2.47%	3.51%	3.51%

Cashflow Statement

Concept	2019 Q4	2018 Q4	2018
OPERATING ACTIVITIES
Net Income	$8.520B	$7.066B	$32.47B
YoY Change	20.58%	66.97%	32.87%
Depreciation, Depletion And Amortization	$2.139B	$2.075B	$7.791B
YoY Change	3.08%	27.14%	26.09%
Cash From Operating Activities	$81.13B	$1.849B	$15.61B
YoY Change	4287.83%	-85.27%	-244.21%
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities	-$13.88B	-$159.6B	$4.986B
YoY Change	-91.31%	720.47%	785.61%
Cash From Investing Activities	-$13.88B	-$159.6B	-$199.4B
YoY Change	-91.31%	720.47%	-805.94%
FINANCING ACTIVITIES
Cash Dividend Paid			$10.11B
YoY Change			12.41%
Common Stock Issuance & Retirement, Net			$19.98B
YoY Change			29.68%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-63.02B	17.84B	$34.16B
YoY Change	-453.27%	-181.97%	133.29%
NET CHANGE
Cash From Operating Activities	81.13B	1.849B	$15.61B
Cash From Investing Activities	-13.88B	-159.6B	-$199.4B
Cash From Financing Activities	-63.02B	17.84B	$34.16B
Net Change In Cash	4.234B	-140.0B	-$152.5B
YoY Change	-103.03%	388.21%	-479.85%
FREE CASH FLOW
Cash From Operating Activities	$81.13B	$1.849B	$15.61B
Capital Expenditures
Free Cash Flow
YoY Change

Facts In Submission

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CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	25813000000	USD
CY2020Q4	jpm	Goodwill Servicing Assetsat Fair Valueand Other Intangible Assets GoodwillServicingAssetsatFairValueandOtherIntangibleAssets	53428000000	USD
CY2019Q4	jpm	Goodwill Servicing Assetsat Fair Valueand Other Intangible Assets GoodwillServicingAssetsatFairValueandOtherIntangibleAssets	53341000000	USD
CY2020Q4	us-gaap	Other Assets OtherAssets	152853000000	USD
CY2019Q4	us-gaap	Other Assets OtherAssets	130395000000	USD
CY2020Q4	us-gaap	Assets Assets	3386071000000	USD
CY2019Q4	us-gaap	Assets Assets	2687379000000	USD
CY2020Q4	us-gaap	Deposits Deposits	2144257000000	USD
CY2019Q4	us-gaap	Deposits Deposits	1562431000000	USD
CY2020Q4	jpm	Federal Funds Purchased Securities Sold Under Agreements To Repurchase FederalFundsPurchasedSecuritiesSoldUnderAgreementsToRepurchase	215209000000	USD
CY2019Q4	jpm	Federal Funds Purchased Securities Sold Under Agreements To Repurchase FederalFundsPurchasedSecuritiesSoldUnderAgreementsToRepurchase	183675000000	USD
CY2020Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	45208000000	USD
CY2019Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	40920000000	USD
CY2020Q4	us-gaap	Trading Liabilities TradingLiabilities	170181000000	USD
CY2019Q4	us-gaap	Trading Liabilities TradingLiabilities	119277000000	USD
CY2020Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	232599000000	USD
CY2019Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	210407000000	USD
CY2020Q4	us-gaap	Beneficial Interest BeneficialInterest	17578000000	USD
CY2019Q4	us-gaap	Beneficial Interest BeneficialInterest	17841000000	USD
CY2020Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	281685000000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	291498000000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	3106717000000	USD
CY2019Q4	us-gaap	Liabilities Liabilities	2426049000000	USD
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2019Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2019Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000000	shares
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000000	shares
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	3006250	shares
CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	2699250	shares
CY2020Q4	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
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	9000000000	shares
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	9000000000	shares
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	4104933895	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	4104933895	shares
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	4105000000	USD
CY2019Q4	us-gaap	Common Stock Value CommonStockValue	4105000000	USD
CY2020Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	88394000000	USD
CY2019Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	88522000000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	236990000000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	223211000000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	7986000000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1569000000	USD
CY2020Q4	jpm	Common Stock Held In Restricted Stock Unit Trust Shares CommonStockHeldInRestrictedStockUnitTrustShares	0	shares
CY2019Q4	jpm	Common Stock Held In Restricted Stock Unit Trust Shares CommonStockHeldInRestrictedStockUnitTrustShares	472953	shares
CY2020Q4	us-gaap	Common Stock Held In Trust CommonStockHeldInTrust	0	USD
CY2019Q4	us-gaap	Common Stock Held In Trust CommonStockHeldInTrust	21000000	USD
CY2020Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	1055499435	shares
CY2019Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	1020912567	shares
CY2020Q4	us-gaap	Treasury Stock Value TreasuryStockValue	88184000000	USD
CY2019Q4	us-gaap	Treasury Stock Value TreasuryStockValue	83049000000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	279354000000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	261330000000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3386071000000	USD
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2687379000000	USD
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	3.60
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	3.40
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.72
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	279354000000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	261330000000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	256515000000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	29131000000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	36431000000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	32474000000	USD
CY2020	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	17480000000	USD
CY2019	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	5585000000	USD
CY2018	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	4871000000	USD
CY2020	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	8614000000	USD
CY2019	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	8368000000	USD
CY2018	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	7791000000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-3981000000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	949000000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1721000000	USD
CY2020	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-1649000000	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-1996000000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-2717000000	USD
CY2020	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	166504000000	USD
CY2019	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	169289000000	USD
CY2018	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	172728000000	USD
CY2020	jpm	Proceeds From Sales Securitizations And Paydowns Of Loans Held For Sale ProceedsFromSalesSecuritizationsAndPaydownsOfLoansHeldForSale	175490000000	USD
CY2019	jpm	Proceeds From Sales Securitizations And Paydowns Of Loans Held For Sale ProceedsFromSalesSecuritizationsAndPaydownsOfLoansHeldForSale	171415000000	USD
CY2018	jpm	Proceeds From Sales Securitizations And Paydowns Of Loans Held For Sale ProceedsFromSalesSecuritizationsAndPaydownsOfLoansHeldForSale	163747000000	USD
CY2020	us-gaap	Increase Decrease In Financial Instruments Used In Operating Activities IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities	148749000000	USD
CY2019	us-gaap	Increase Decrease In Financial Instruments Used In Operating Activities IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities	-6551000000	USD
CY2018	us-gaap	Increase Decrease In Financial Instruments Used In Operating Activities IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities	35067000000	USD
CY2020	us-gaap	Increase Decrease In Cash Collateral For Borrowed Securities IncreaseDecreaseInCashCollateralForBorrowedSecurities	20734000000	USD
CY2018	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-1343000000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-79910000000	USD
CY2019Q4	us-gaap	Fair Value Option Loans Held As Assets Aggregate Difference FairValueOptionLoansHeldAsAssetsAggregateDifference	0	USD
CY2019	us-gaap	Increase Decrease In Cash Collateral For Borrowed Securities IncreaseDecreaseInCashCollateralForBorrowedSecurities	27631000000	USD
CY2018	us-gaap	Increase Decrease In Cash Collateral For Borrowed Securities IncreaseDecreaseInCashCollateralForBorrowedSecurities	6861000000	USD
CY2020	jpm	Increase Decrease In Accrued Interests And Accounts Receivable IncreaseDecreaseInAccruedInterestsAndAccountsReceivable	18012000000	USD
CY2019	jpm	Increase Decrease In Accrued Interests And Accounts Receivable IncreaseDecreaseInAccruedInterestsAndAccountsReceivable	78000000	USD
CY2018	jpm	Increase Decrease In Accrued Interests And Accounts Receivable IncreaseDecreaseInAccruedInterestsAndAccountsReceivable	5849000000	USD
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	42434000000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	17570000000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	8779000000	USD
CY2020	us-gaap	Increase Decrease In Trading Liabilities IncreaseDecreaseInTradingLiabilities	77198000000	USD
CY2019	us-gaap	Increase Decrease In Trading Liabilities IncreaseDecreaseInTradingLiabilities	-14516000000	USD
CY2018	us-gaap	Increase Decrease In Trading Liabilities IncreaseDecreaseInTradingLiabilities	18290000000	USD
CY2020	jpm	Increase Decrease In Accounts Payable And Other Liabilities IncreaseDecreaseInAccountsPayableAndOtherLiabilities	7827000000	USD
CY2019	jpm	Increase Decrease In Accounts Payable And Other Liabilities IncreaseDecreaseInAccountsPayableAndOtherLiabilities	-352000000	USD
CY2018	jpm	Increase Decrease In Accounts Payable And Other Liabilities IncreaseDecreaseInAccountsPayableAndOtherLiabilities	14630000000	USD
CY2020	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	3115000000	USD
CY2019	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	2233000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	4092000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	15614000000	USD
CY2020	us-gaap	Proceeds From Payments For Federal Funds Sold And Securities Purchased Under Agreements To Resell Net ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet	-47115000000	USD
CY2019	us-gaap	Proceeds From Payments For Federal Funds Sold And Securities Purchased Under Agreements To Resell Net ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet	72396000000	USD
CY2018	us-gaap	Proceeds From Payments For Federal Funds Sold And Securities Purchased Under Agreements To Resell Net ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet	-123201000000	USD
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	21360000000	USD
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	3423000000	USD
CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	2945000000	USD
CY2020	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	12400000000	USD
CY2019	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	13427000000	USD
CY2018	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	9368000000	USD
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	57675000000	USD
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	52200000000	USD
CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	37401000000	USD
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	149758000000	USD
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	70181000000	USD
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	46067000000	USD
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	397145000000	USD
CY2019	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	242149000000	USD
CY2018	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	95091000000	USD
CY2020	us-gaap	Proceeds From Sale Of Finance Receivables ProceedsFromSaleOfFinanceReceivables	23559000000	USD
CY2019	us-gaap	Proceeds From Sale Of Finance Receivables ProceedsFromSaleOfFinanceReceivables	62095000000	USD
CY2018	us-gaap	Proceeds From Sale Of Finance Receivables ProceedsFromSaleOfFinanceReceivables	29826000000	USD
CY2020	jpm	Paymentsfor Other Loansand Leases PaymentsforOtherLoansandLeases	50263000000	USD
CY2019	jpm	Paymentsfor Other Loansand Leases PaymentsforOtherLoansandLeases	51743000000	USD
CY2018	jpm	Paymentsfor Other Loansand Leases PaymentsforOtherLoansandLeases	83013000000	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	7341000000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	5035000000	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	4986000000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-261912000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-52059000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-199420000000	USD
CY2018	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-1430000000	USD
CY2020	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	602765000000	USD
CY2019	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	101002000000	USD
CY2018	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	26728000000	USD
CY2020	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	31528000000	USD
CY2019	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	1347000000	USD
CY2018	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	23415000000	USD
CY2020	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	4438000000	USD
CY2019	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	28561000000	USD
CY2018	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	18476000000	USD
CY2020	jpm	Increase Decrease In Beneficial Interests Issued By Consolidated Variable Interest Entities IncreaseDecreaseInBeneficialInterestsIssuedByConsolidatedVariableInterestEntities	1347000000	USD
CY2019	jpm	Increase Decrease In Beneficial Interests Issued By Consolidated Variable Interest Entities IncreaseDecreaseInBeneficialInterestsIssuedByConsolidatedVariableInterestEntities	4289000000	USD
CY2018	jpm	Increase Decrease In Beneficial Interests Issued By Consolidated Variable Interest Entities IncreaseDecreaseInBeneficialInterestsIssuedByConsolidatedVariableInterestEntities	1712000000	USD
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	78686000000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	61085000000	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	71662000000	USD
CY2020	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	105055000000	USD
CY2019	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	69610000000	USD
CY2018	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	76313000000	USD
CY2020	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	4500000000	USD
CY2019	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	5000000000	USD
CY2018	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	1696000000	USD
CY2020	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	1430000000	USD
CY2019	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	4075000000	USD
CY2018	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	1696000000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	6517000000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	24001000000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	19983000000	USD
CY2020	us-gaap	Payments Of Dividends PaymentsOfDividends	12690000000	USD
CY2019	us-gaap	Payments Of Dividends PaymentsOfDividends	12343000000	USD
CY2018	us-gaap	Payments Of Dividends PaymentsOfDividends	10109000000	USD
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-927000000	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-1146000000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	29918000000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	21152000000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	7661000000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	5624000000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	3542000000	USD
CY2020	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	Certain amounts reported in prior periods have been reclassified to conform with the current presentation.
CY2020	us-gaap	Use Of Estimates UseOfEstimates	The preparation of the Consolidated Financial Statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, revenue and expense, and disclosures of contingent assets and liabilities. Actual results could be different from these estimates.
CY2020	jpm	Derivative Gain Losson Derivative Net Cva DerivativeGainLossonDerivativeNetCVA	-337000000	USD
CY2019	jpm	Derivative Gain Losson Derivative Net Cva DerivativeGainLossonDerivativeNetCVA	241000000	USD
CY2018	jpm	Derivative Gain Losson Derivative Net Cva DerivativeGainLossonDerivativeNetCVA	193000000	USD
CY2020	jpm	Derivative Gain Losson Derivative Net Dv Aand Fva DerivativeGainLossonDerivativeNetDVAandFVA	-64000000	USD
CY2019	jpm	Derivative Gain Losson Derivative Net Dv Aand Fva DerivativeGainLossonDerivativeNetDVAandFVA	199000000	USD
CY2018	jpm	Derivative Gain Losson Derivative Net Dv Aand Fva DerivativeGainLossonDerivativeNetDVAandFVA	-74000000	USD
CY2020Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	2368000000	USD
CY2019Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	2441000000	USD
CY2020	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount	167000000	USD
CY2019	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount	243000000	USD
CY2020	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount	301000000	USD
CY2019	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount	42000000	USD
CY2020Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Cumulative Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentCumulativeAmount	708000000	USD
CY2020Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Cumulative Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentCumulativeAmount	430000000	USD
CY2019Q4	jpm	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiability	14300000000	USD
CY2020Q4	jpm	Fair Value Inputs Priceper Unit Assumed Par FairValueInputsPriceperUnitAssumedPar	100
CY2019Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	-4489000000	USD
CY2020	jpm	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Net Derivative Asset Liability Realizedand Unrealized Gains Losses FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisNetDerivativeAssetLiabilityRealizedandUnrealizedGainsLosses	1908000000	USD
CY2020	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Purchases FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchases	2121000000	USD
CY2020	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Sales FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSales	2884000000	USD
CY2020	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements	446000000	USD
CY2020	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Into Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersIntoLevel3	-1505000000	USD
CY2020	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3	-302000000	USD
CY2020Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	-4993000000	USD
CY2020	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Change In Unrealized Gain Loss FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	42000000	USD
CY2018Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	-3796000000	USD
CY2019	jpm	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Net Derivative Asset Liability Realizedand Unrealized Gains Losses FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisNetDerivativeAssetLiabilityRealizedandUnrealizedGainsLosses	-794000000	USD
CY2019	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Purchases FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchases	579000000	USD
CY2019	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Sales FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSales	1122000000	USD
CY2019	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements	89000000	USD
CY2020Q4	us-gaap	Fair Value Option Loans Held As Assets Aggregate Difference FairValueOptionLoansHeldAsAssetsAggregateDifference	0	USD
CY2019	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Into Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersIntoLevel3	-411000000	USD
CY2019	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3	-1144000000	USD
CY2019Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	-4489000000	USD
CY2019	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Change In Unrealized Gain Loss FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	-2584000000	USD
CY2017Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	-4250000000	USD
CY2018	jpm	Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Net Derivative Asset Liability Realizedand Unrealized Gains Losses FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisNetDerivativeAssetLiabilityRealizedandUnrealizedGainsLosses	338000000	USD
CY2018	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Purchases FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchases	1841000000	USD
CY2018	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Sales FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSales	2440000000	USD
CY2018	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements	-1047000000	USD
CY2018	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Into Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersIntoLevel3	-729000000	USD
CY2018	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3	-397000000	USD
CY2018Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	-3796000000	USD
CY2018	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Change In Unrealized Gain Loss FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	803000000	USD
CY2020Q4	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
CY2018Q4	jpm	Level Three Assets As Percentage Of Total Firm Assets At Fair Value LevelThreeAssetsAsPercentageOfTotalFirmAssetsAtFairValue	0.03
CY2020Q4	jpm	Level Three Liabilities As Percentage Of Total Firm Liabilities At Fair Value LevelThreeLiabilitiesAsPercentageOfTotalFirmLiabilitiesAtFairValue	0.09
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	596645000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	32987000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	34158000000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	9155000000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-182000000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-2863000000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	263978000000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-15162000000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-152511000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	263631000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	278793000000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	431304000000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	527609000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	263631000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	278793000000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	13077000000	USD
CY2020Q4	jpm	Structured Notes Balance Under Fair Value Option StructuredNotesBalanceUnderFairValueOption	93739000000	USD
CY2019Q4	jpm	Structured Notes Balance Under Fair Value Option StructuredNotesBalanceUnderFairValueOption	106982000000	USD
CY2020Q4	jpm	Concentration Risk Credit Risk Financial Instruments Credit Exposure ConcentrationRiskCreditRiskFinancialInstrumentsCreditExposure	2305881000000	USD
CY2020Q4	jpm	Financing Receivable Before Allowance For Credit Losses Netof Deferred Income FinancingReceivableBeforeAllowanceForCreditLossesNetofDeferredIncome	1012853000000	USD
CY2020Q4	us-gaap	Derivative Assets DerivativeAssets	79630000000	USD
CY2020Q4	jpm	Off Balance Sheet Lending Related Financial Instruments Contractual Amount OffBalanceSheetLendingRelatedFinancialInstrumentsContractualAmount	1165688000000	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
CY2020Q4	jpm	Cash Placedwith Banks CashPlacedwithBanks	516900000000	USD
CY2019Q4	jpm	Cash Placedwith Banks CashPlacedwithBanks	254000000000.0	USD
CY2020Q4	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	47194000000000	USD
CY2019Q4	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	46942000000000	USD
CY2020Q4	us-gaap	Derivative Asset Fair Value Gross Asset Including Not Subject To Master Netting Arrangement DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement	707554000000	USD
CY2020Q4	us-gaap	Derivative Assets DerivativeAssets	79630000000	USD
CY2020Q4	us-gaap	Derivative Liability Fair Value Gross Liability Including Not Subject To Master Netting Arrangement DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement	688887000000	USD
CY2020Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	70623000000	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
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	681647000000	USD
CY2020Q4	us-gaap	Derivative Asset Fair Value Gross Liability And Obligation To Return Cash Offset DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset	627924000000	USD
CY2020Q4	jpm	Derivatives Assets Subject To Master Netting Arrangement DerivativesAssetsSubjectToMasterNettingArrangement	53723000000	USD
CY2019Q4	jpm	Net Protection Sold Purchased NetProtectionSoldPurchased	5700000000	USD
CY2019Q4	jpm	Credit Derivative Other Protection Purchased CreditDerivativeOtherProtectionPurchased	20906000000	USD
CY2020	jpm	Maximum Lengthof Time Hedgedin Cash Flow Hedge Open Cash Flow Hedge MaximumLengthofTimeHedgedinCashFlowHedgeOpenCashFlowHedge	P7Y
CY2020	jpm	Tranche Credit Default Swap Realized Credit Loss Protection TrancheCreditDefaultSwapRealizedCreditLossProtection	1000000	USD
CY2020	jpm	Tranche Credit Default Swap Portfolio Of Exposure TrancheCreditDefaultSwapPortfolioOfExposure	10000000	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
CY2020Q4	us-gaap	Derivative Asset Not Subject To Master Netting Arrangement DerivativeAssetNotSubjectToMasterNettingArrangement	25907000000	USD
CY2020Q4	us-gaap	Derivative Asset Not Subject To Master Netting Arrangement DerivativeAssetNotSubjectToMasterNettingArrangement	25907000000	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
CY2020Q4	us-gaap	Derivative Asset Fair Value Gross Asset Including Not Subject To Master Netting Arrangement DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement	707554000000	USD
CY2020Q4	us-gaap	Derivative Assets DerivativeAssets	79630000000	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
CY2020Q4	jpm	Derivative Collateral Obligation To Return Securities Andor Cash Held By Third Party Custodians DerivativeCollateralObligationToReturnSecuritiesAndorCashHeldByThirdPartyCustodians	14806000000	USD
CY2019Q4	jpm	Derivative Collateral Obligation To Return Securities Andor Cash Held By Third Party Custodians DerivativeCollateralObligationToReturnSecuritiesAndorCashHeldByThirdPartyCustodians	13052000000	USD
CY2020Q4	jpm	Derivative Assets Net Exposure After Liquid Securities Andor Cash Collateral Held At Third Party Custodians Assets Subject To Master Netting Arrangement DerivativeAssetsNetExposureAfterLiquidSecuritiesAndorCashCollateralHeldAtThirdPartyCustodiansAssetsSubjectToMasterNettingArrangement	64824000000	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	36714000000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	665950000000	USD
CY2020Q4	us-gaap	Derivative Liability Fair Value Gross Asset And Right To Reclaim Cash Offset DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset	618264000000	USD
CY2020Q4	jpm	Derivatives Liabilities Subject To Master Netting Arrangement DerivativesLiabilitiesSubjectToMasterNettingArrangement	47686000000	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
CY2020Q4	us-gaap	Derivative Liability Not Subject To Master Netting Arrangement DerivativeLiabilityNotSubjectToMasterNettingArrangement	22937000000	USD
CY2020Q4	us-gaap	Derivative Liability Not Subject To Master Netting Arrangement DerivativeLiabilityNotSubjectToMasterNettingArrangement	22937000000	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
CY2020Q4	us-gaap	Derivative Liability Fair Value Gross Liability Including Not Subject To Master Netting Arrangement DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement	688887000000	USD
CY2020Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	70623000000	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
CY2020Q4	jpm	Derivative Collateral Right To Reclaim Securities Andor Cash Held At Third Party Custodians DerivativeCollateralRightToReclaimSecuritiesAndorCashHeldAtThirdPartyCustodians	11964000000	USD
CY2019Q4	jpm	Derivative Collateral Right To Reclaim Securities Andor Cash Held At Third Party Custodians DerivativeCollateralRightToReclaimSecuritiesAndorCashHeldAtThirdPartyCustodians	6960000000	USD
CY2020Q4	jpm	Derivative Liabilities Net Amount After Liquid Securities Andor Cash Collateral Held At Third Party Custodians Liabilities Subject To Master Netting Agreement DerivativeLiabilitiesNetAmountAfterLiquidSecuritiesAndorCashCollateralHeldAtThirdPartyCustodiansLiabilitiesSubjectToMasterNettingAgreement	58659000000	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	36748000000	USD
CY2020Q4	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	88000000000.0	USD
CY2019Q4	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	65900000000	USD
CY2020Q4	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	78400000000	USD
CY2019Q4	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	54400000000	USD
CY2020Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	27712000000	USD
CY2019Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	14819000000	USD
CY2020Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	26289000000	USD
CY2019Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	13329000000	USD
CY2020	us-gaap	Change In Unrealized Gain Loss On Fair Value Hedging Instruments1 ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	1248000000	USD
CY2020	us-gaap	Change In Unrealized Gain Loss On Hedged Item In Fair Value Hedge1 ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1	142000000	USD
CY2020	us-gaap	Gain Loss On Fair Value Hedges Recognized In Earnings GainLossOnFairValueHedgesRecognizedInEarnings	1390000000	USD
CY2020	jpm	Gain Lossfrom Components Excludedfrom Assessmentof Fair Value Hedge Effectiveness Amortization Method Net GainLossfromComponentsExcludedfromAssessmentofFairValueHedgeEffectivenessAmortizationMethodNet	-457000000	USD
CY2020	jpm	Gain Lossfrom Components Excludedfrom Assessmentof Fair Value Hedge Effectiveness Changesin Fair Value Net GainLossfromComponentsExcludedfromAssessmentofFairValueHedgeEffectivenessChangesinFairValueNet	1404000000	USD
CY2020Q4	us-gaap	Credit Derivative Maximum Exposure Undiscounted CreditDerivativeMaximumExposureUndiscounted	575178000000	USD
CY2020Q4	jpm	Credit Derivatives Purchased Credit Protection CreditDerivativesPurchasedCreditProtection	611909000000	USD
CY2020Q4	jpm	Net Protection Sold Purchased NetProtectionSoldPurchased	36731000000	USD
CY2020Q4	jpm	Credit Derivative Other Protection Purchased CreditDerivativeOtherProtectionPurchased	23664000000	USD
CY2019Q4	us-gaap	Credit Derivative Maximum Exposure Undiscounted CreditDerivativeMaximumExposureUndiscounted	612733000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Derivative Excluded Component Increase Decrease Before Adjustments And Tax OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseBeforeAdjustmentsAndTax	25000000	USD
CY2019	us-gaap	Change In Unrealized Gain Loss On Fair Value Hedging Instruments1 ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	3281000000	USD
CY2019	us-gaap	Change In Unrealized Gain Loss On Hedged Item In Fair Value Hedge1 ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1	-1897000000	USD
CY2019	us-gaap	Gain Loss On Fair Value Hedges Recognized In Earnings GainLossOnFairValueHedgesRecognizedInEarnings	1384000000	USD
CY2019	jpm	Gain Lossfrom Components Excludedfrom Assessmentof Fair Value Hedge Effectiveness Amortization Method Net GainLossfromComponentsExcludedfromAssessmentofFairValueHedgeEffectivenessAmortizationMethodNet	-866000000	USD
CY2019	jpm	Gain Lossfrom Components Excludedfrom Assessmentof Fair Value Hedge Effectiveness Changesin Fair Value Net GainLossfromComponentsExcludedfromAssessmentofFairValueHedgeEffectivenessChangesinFairValueNet	1373000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Derivative Excluded Component Increase Decrease Before Adjustments And Tax OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseBeforeAdjustmentsAndTax	39000000	USD
CY2018	us-gaap	Change In Unrealized Gain Loss On Fair Value Hedging Instruments1 ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	736000000	USD
CY2018	us-gaap	Change In Unrealized Gain Loss On Hedged Item In Fair Value Hedge1 ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1	412000000	USD
CY2018	us-gaap	Gain Loss On Fair Value Hedges Recognized In Earnings GainLossOnFairValueHedgesRecognizedInEarnings	1148000000	USD
CY2018	jpm	Gain Lossfrom Components Excludedfrom Assessmentof Fair Value Hedge Effectiveness Amortization Method Net GainLossfromComponentsExcludedfromAssessmentofFairValueHedgeEffectivenessAmortizationMethodNet	-566000000	USD
CY2018	jpm	Gain Lossfrom Components Excludedfrom Assessmentof Fair Value Hedge Effectiveness Changesin Fair Value Net GainLossfromComponentsExcludedfromAssessmentofFairValueHedgeEffectivenessChangesinFairValueNet	1125000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Derivative Excluded Component Increase Decrease Before Adjustments And Tax OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseBeforeAdjustmentsAndTax	-140000000	USD
CY2020	us-gaap	Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths	818000000	USD
CY2020	jpm	Maximum Lengthof Time Hedgedin Cash Flow Hedge Terminated Cash Flow Hedge MaximumLengthofTimeHedgedinCashFlowHedgeTerminatedCashFlowHedge	P9Y
CY2019Q4	jpm	Credit Derivatives Purchased Credit Protection CreditDerivativesPurchasedCreditProtection	618433000000	USD
CY2020Q4	jpm	Protection Sold Credit Derivatives And Credit Related Notes Ratings Less Than One Year ProtectionSoldCreditDerivativesAndCreditRelatedNotesRatingsLessThanOneYear	125714000000	USD
CY2020Q4	jpm	Protection Sold Credit Derivatives And Credit Related Notes Ratings From One To Five Years ProtectionSoldCreditDerivativesAndCreditRelatedNotesRatingsFromOneToFiveYears	404985000000	USD
CY2020Q4	jpm	Protection Sold Credit Derivatives And Credit Related Notes More Than Five Years ProtectionSoldCreditDerivativesAndCreditRelatedNotesMoreThanFiveYears	44479000000	USD
CY2020Q4	us-gaap	Credit Derivative Maximum Exposure Undiscounted CreditDerivativeMaximumExposureUndiscounted	575178000000	USD
CY2020Q4	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	9474000000	USD
CY2020Q4	us-gaap	Credit Risk Derivative Liabilities At Fair Value CreditRiskDerivativeLiabilitiesAtFairValue	3377000000	USD
CY2020Q4	us-gaap	Credit Risk Derivatives At Fair Value Net CreditRiskDerivativesAtFairValueNet	6097000000	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
CY2020	us-gaap	Underwriting Income Loss UnderwritingIncomeLoss	7121000000	USD
CY2019	us-gaap	Underwriting Income Loss UnderwritingIncomeLoss	5161000000	USD
CY2018	us-gaap	Underwriting Income Loss UnderwritingIncomeLoss	5031000000	USD
CY2020	jpm	Investment Banking Advisory Fee Revenue InvestmentBankingAdvisoryFeeRevenue	2365000000	USD
CY2019	jpm	Investment Banking Advisory Fee Revenue InvestmentBankingAdvisoryFeeRevenue	2340000000	USD
CY2018	jpm	Investment Banking Advisory Fee Revenue InvestmentBankingAdvisoryFeeRevenue	2519000000	USD
CY2020	us-gaap	Investment Banking Revenue InvestmentBankingRevenue	9486000000	USD
CY2019	us-gaap	Investment Banking Revenue InvestmentBankingRevenue	7501000000	USD
CY2018	us-gaap	Investment Banking Revenue InvestmentBankingRevenue	7550000000	USD
CY2020	us-gaap	Trading Gains Losses TradingGainsLosses	17840000000	USD
CY2019	us-gaap	Trading Gains Losses TradingGainsLosses	14268000000	USD
CY2018	us-gaap	Trading Gains Losses TradingGainsLosses	12408000000	USD
CY2020	us-gaap	Principal Investment Gains Losses PrincipalInvestmentGainsLosses	181000000	USD
CY2019	us-gaap	Principal Investment Gains Losses PrincipalInvestmentGainsLosses	-250000000	USD
CY2018	us-gaap	Principal Investment Gains Losses PrincipalInvestmentGainsLosses	-349000000	USD
CY2020	us-gaap	Principal Transactions Revenue PrincipalTransactionsRevenue	18021000000	USD
CY2019	us-gaap	Principal Transactions Revenue PrincipalTransactionsRevenue	14018000000	USD
CY2018	us-gaap	Principal Transactions Revenue PrincipalTransactionsRevenue	12059000000	USD
CY2020	jpm	Feesand Commissions Lending Activities FeesandCommissionsLendingActivities	1271000000	USD
CY2019	jpm	Feesand Commissions Lending Activities FeesandCommissionsLendingActivities	1184000000	USD
CY2018	jpm	Feesand Commissions Lending Activities FeesandCommissionsLendingActivities	1117000000	USD
CY2020	jpm	Feesand Commissions Depositor Accounts1 FeesandCommissionsDepositorAccounts1	5240000000	USD
CY2019	jpm	Feesand Commissions Depositor Accounts1 FeesandCommissionsDepositorAccounts1	5442000000	USD
CY2018	jpm	Feesand Commissions Depositor Accounts1 FeesandCommissionsDepositorAccounts1	5260000000	USD
CY2020	jpm	Lending And Deposit Related Fees LendingAndDepositRelatedFees	6511000000	USD
CY2019	jpm	Lending And Deposit Related Fees LendingAndDepositRelatedFees	6626000000	USD
CY2018	jpm	Lending And Deposit Related Fees LendingAndDepositRelatedFees	6377000000	USD
CY2020	jpm	Investment Advisory Fees1 InvestmentAdvisoryFees1	11694000000	USD
CY2019	jpm	Investment Advisory Fees1 InvestmentAdvisoryFees1	10865000000	USD
CY2018	jpm	Investment Advisory Fees1 InvestmentAdvisoryFees1	10768000000	USD
CY2020	jpm	All Other Asset Management Fees AllOtherAssetManagementFees	338000000	USD
CY2019	jpm	All Other Asset Management Fees AllOtherAssetManagementFees	315000000	USD
CY2018	jpm	All Other Asset Management Fees AllOtherAssetManagementFees	270000000	USD
CY2020	jpm	Asset Management Fees AssetManagementFees	12032000000	USD
CY2019	jpm	Asset Management Fees AssetManagementFees	11180000000	USD
CY2018	jpm	Asset Management Fees AssetManagementFees	11038000000	USD
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CY2019	jpm	Administrative Services Revenue1 AdministrativeServicesRevenue1	2197000000	USD
CY2018	jpm	Administrative Services Revenue1 AdministrativeServicesRevenue1	2179000000	USD
CY2020	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	2959000000	USD
CY2019	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	2439000000	USD
CY2018	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	2505000000	USD
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CY2019	jpm	Feesand Commissions Other1 FeesandCommissionsOther1	1092000000	USD
CY2018	jpm	Feesand Commissions Other1 FeesandCommissionsOther1	1071000000	USD
CY2020	jpm	Fees And Commissions1 FeesAndCommissions1	3896000000	USD
CY2019	jpm	Fees And Commissions1 FeesAndCommissions1	3531000000	USD
CY2018	jpm	Fees And Commissions1 FeesAndCommissions1	3576000000	USD
CY2020	jpm	Asset Management Administration And Commissions AssetManagementAdministrationAndCommissions	18177000000	USD
CY2019	jpm	Asset Management Administration And Commissions AssetManagementAdministrationAndCommissions	16908000000	USD
CY2018	jpm	Asset Management Administration And Commissions AssetManagementAdministrationAndCommissions	16793000000	USD
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CY2019	jpm	Fees And Commissions Credit And Debit Cards1 FeesAndCommissionsCreditAndDebitCards1	5076000000	USD
CY2018	jpm	Fees And Commissions Credit And Debit Cards1 FeesAndCommissionsCreditAndDebitCards1	4743000000	USD
CY2020	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	1115000000	USD
CY2019	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	239000000	USD
CY2018	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	72000000	USD
CY2020	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	717000000	USD
CY2019	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	457000000	USD
CY2018	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1239000000	USD
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CY2019	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	51855000000	USD
CY2018	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	49032000000	USD
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CY2019	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	7962000000	USD
CY2018	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	5653000000	USD
CY2020	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1184000000	USD
CY2019	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1329000000	USD
CY2018	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1595000000	USD
CY2020	us-gaap	Investment Income Interest InvestmentIncomeInterest	9027000000	USD
CY2019	us-gaap	Investment Income Interest InvestmentIncomeInterest	9291000000	USD
CY2018	us-gaap	Investment Income Interest InvestmentIncomeInterest	7248000000	USD
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CY2019	jpm	Interest Income Trading Assets InterestIncomeTradingAssets	9141000000	USD
CY2018	jpm	Interest Income Trading Assets InterestIncomeTradingAssets	7146000000	USD
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CY2019	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	6146000000	USD
CY2018	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	3819000000	USD
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CY2018	jpm	Interest Income Securities Borrowed InterestIncomeSecuritiesBorrowed	913000000	USD
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CY2019	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	3887000000	USD
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CY2020	us-gaap	Interest Income Other InterestIncomeOther	1023000000	USD
CY2019	us-gaap	Interest Income Other InterestIncomeOther	2146000000	USD
CY2018	us-gaap	Interest Income Other InterestIncomeOther	2035000000	USD
CY2020	us-gaap	Interest Income Operating InterestIncomeOperating	64523000000	USD
CY2019	us-gaap	Interest Income Operating InterestIncomeOperating	84040000000	USD
CY2018	us-gaap	Interest Income Operating InterestIncomeOperating	76100000000	USD
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CY2019	us-gaap	Interest Expense Deposits InterestExpenseDeposits	8957000000	USD
CY2018	us-gaap	Interest Expense Deposits InterestExpenseDeposits	5973000000	USD
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CY2019	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	4630000000	USD
CY2018	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	3066000000	USD
CY2020	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	372000000	USD
CY2019	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	1248000000	USD
CY2018	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	1144000000	USD
CY2020	us-gaap	Interest Expense Trading Liabilities InterestExpenseTradingLiabilities	195000000	USD
CY2019	us-gaap	Interest Expense Trading Liabilities InterestExpenseTradingLiabilities	2585000000	USD
CY2018	us-gaap	Interest Expense Trading Liabilities InterestExpenseTradingLiabilities	2387000000	USD
CY2020	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	5764000000	USD
CY2019	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	8807000000	USD
CY2018	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	7978000000	USD
CY2020	us-gaap	Interest Expense Beneficial Interests Issued By Consolidated Variable Interest Entities InterestExpenseBeneficialInterestsIssuedByConsolidatedVariableInterestEntities	214000000	USD
CY2019	us-gaap	Interest Expense Beneficial Interests Issued By Consolidated Variable Interest Entities InterestExpenseBeneficialInterestsIssuedByConsolidatedVariableInterestEntities	568000000	USD
CY2018	us-gaap	Interest Expense Beneficial Interests Issued By Consolidated Variable Interest Entities InterestExpenseBeneficialInterestsIssuedByConsolidatedVariableInterestEntities	493000000	USD
CY2020	us-gaap	Interest Expense InterestExpense	9960000000	USD
CY2019	us-gaap	Interest Expense InterestExpense	26795000000	USD
CY2018	us-gaap	Interest Expense InterestExpense	21041000000	USD
CY2020	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	54563000000	USD
CY2019	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	57245000000	USD
CY2018	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	55059000000	USD
CY2020	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	17480000000	USD
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CY2019	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	51660000000	USD
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CY2020Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	25417000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	23366000000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	6280000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	5661000000	USD
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CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	872000000	USD
CY2020	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	1047000000	USD
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CY2020	us-gaap	Defined Benefit Plan Change In Fair Value Of Plan Assets Level3 Reconciliation Period Increase Decrease DefinedBenefitPlanChangeInFairValueOfPlanAssetsLevel3ReconciliationPeriodIncreaseDecrease	263000000	USD
CY2020	us-gaap	Defined Benefit Plan Actual Return On Plan Assets Still Held DefinedBenefitPlanActualReturnOnPlanAssetsStillHeld	343000000	USD
CY2020	us-gaap	Defined Benefit Plan Plan Assets Level3 Reconciliation Decrease For Settlement DefinedBenefitPlanPlanAssetsLevel3ReconciliationDecreaseForSettlement	113000000	USD
CY2019	us-gaap	Defined Benefit Plan Change In Fair Value Of Plan Assets Level3 Reconciliation Period Increase Decrease DefinedBenefitPlanChangeInFairValueOfPlanAssetsLevel3ReconciliationPeriodIncreaseDecrease	307000000	USD
CY2019	us-gaap	Defined Benefit Plan Actual Return On Plan Assets Still Held DefinedBenefitPlanActualReturnOnPlanAssetsStillHeld	401000000	USD
CY2019	us-gaap	Defined Benefit Plan Plan Assets Level3 Reconciliation Decrease For Settlement DefinedBenefitPlanPlanAssetsLevel3ReconciliationDecreaseForSettlement	85000000	USD
CY2020	jpm	Share Based Compensation Amortization Of Prior Grants Of Share Based Compensation ShareBasedCompensationAmortizationOfPriorGrantsOfShareBasedCompensation	1101000000	USD
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CY2020	jpm	Share Based Compensation Estimated Future Grants To Retirement Eligible Employees ShareBasedCompensationEstimatedFutureGrantsToRetirementEligibleEmployees	1350000000	USD
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CY2018	jpm	Share Based Compensation Estimated Future Grants To Retirement Eligible Employees ShareBasedCompensationEstimatedFutureGrantsToRetirementEligibleEmployees	1081000000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	2451000000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	2256000000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	2322000000	USD
CY2020Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	664000000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y7M6D
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	837000000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	895000000	USD
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CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	381729000000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	6705000000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	256000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	388178000000	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
CY2020Q4	jpm	Debt Securities Held To Maturity Net Of Allowance For Credit Losses DebtSecuritiesHeldToMaturityNetOfAllowanceForCreditLosses	201821000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	3712000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	61000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	205472000000	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
CY2020Q4	jpm	Availableforsale Securitiesand Heldtomaturity Securities Amortized Cost Basis AvailableforsaleSecuritiesandHeldtomaturitySecuritiesAmortizedCostBasis	583550000000	USD
CY2020Q4	jpm	Availableforsale Securitiesand Heldtomaturity Securities Accumulated Gross Unrealized Gainbefore Tax AvailableforsaleSecuritiesandHeldtomaturitySecuritiesAccumulatedGrossUnrealizedGainbeforeTax	10417000000	USD
CY2020Q4	jpm	Availableforsale Securitiesand Heldtomaturity Securities Accumulated Gross Unrealized Lossbefore Tax AvailableforsaleSecuritiesandHeldtomaturitySecuritiesAccumulatedGrossUnrealizedLossbeforeTax	317000000	USD
CY2020Q4	jpm	Availableforsale Securitiesand Heldtomaturity Securities Fair Value AvailableforsaleSecuritiesandHeldtomaturitySecuritiesFairValue	593650000000	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
CY2020Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	USD
CY2020	us-gaap	Debt Securities Held To Maturity Purchase DebtSecuritiesHeldToMaturityPurchase	12400000000	USD
CY2019	us-gaap	Debt Securities Held To Maturity Purchase DebtSecuritiesHeldToMaturityPurchase	13400000000	USD
CY2018	us-gaap	Debt Securities Held To Maturity Purchase DebtSecuritiesHeldToMaturityPurchase	9400000000	USD
CY2020Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	78000000	USD
CY2020Q4	us-gaap	Debt Securities Held To Maturity Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityAccruedInterestBeforeAllowanceForCreditLoss	2100000000	USD
CY2019Q4	us-gaap	Debt Securities Held To Maturity Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityAccruedInterestBeforeAllowanceForCreditLoss	1900000000	USD
CY2019	us-gaap	Debt Securities Held To Maturity Accrued Interest Writeoff DebtSecuritiesHeldToMaturityAccruedInterestWriteoff	0	USD
CY2020	us-gaap	Debt Securities Held To Maturity Accrued Interest Writeoff DebtSecuritiesHeldToMaturityAccruedInterestWriteoff	0	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	12133000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	57000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	4694000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	49000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	16827000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	106000000	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
CY2020Q4	jpm	Debt Securities Held To Maturity External Credit Rating Percent Rated Aa Plus Or Higher DebtSecuritiesHeldToMaturityExternalCreditRatingPercentRatedAAPlusOrHigher	0.98
CY2020Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	78000000	USD
CY2020	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	68000000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	3080000000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	650000000	USD
CY2018	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	211000000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Loss Excluding Other Than Temporary Impairment DebtSecuritiesAvailableForSaleRealizedLossExcludingOtherThanTemporaryImpairment	2278000000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Loss Excluding Other Than Temporary Impairment DebtSecuritiesAvailableForSaleRealizedLossExcludingOtherThanTemporaryImpairment	392000000	USD
CY2018	us-gaap	Debt Securities Available For Sale Realized Loss Excluding Other Than Temporary Impairment DebtSecuritiesAvailableForSaleRealizedLossExcludingOtherThanTemporaryImpairment	606000000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	802000000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	258000000	USD
CY2018	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-395000000	USD
CY2020	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	68000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis	42502000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis	121698000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis	67347000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis	150182000000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	381729000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	42562000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	122936000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	68718000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue	153962000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	388178000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Maturity Within One Year Weighted Average Yield DebtSecuritiesAvailableForSaleMaturityWithinOneYearWeightedAverageYield	0.0059
CY2020Q4	us-gaap	Debt Securities Available For Sale Maturity After One Through Five Years Weighted Average Yield DebtSecuritiesAvailableForSaleMaturityAfterOneThroughFiveYearsWeightedAverageYield	0.0065
CY2020Q4	us-gaap	Debt Securities Available For Sale Maturity After Five Through Ten Years Weighted Average Yield DebtSecuritiesAvailableForSaleMaturityAfterFiveThroughTenYearsWeightedAverageYield	0.0100
CY2020Q4	us-gaap	Debt Securities Available For Sale Maturity After10 Years Weighted Average Yield DebtSecuritiesAvailableForSaleMaturityAfter10YearsWeightedAverageYield	0.0264
CY2020Q4	jpm	Debt Securities Availableforsale Maturity Weighted Average Yield DebtSecuritiesAvailableforsaleMaturityWeightedAverageYield	0.0149
CY2020Q4	us-gaap	Heldtomaturity Securities Debt Maturities Next Rolling Twelve Months Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCost	501000000	USD
CY2020Q4	us-gaap	Heldtomaturity Securities Debt Maturities Rolling Year Two Through Five Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCost	42700000000	USD
CY2020Q4	us-gaap	Securities Purchased Under Agreements To Resell Gross Including Not Subject To Master Netting Arrangement SecuritiesPurchasedUnderAgreementsToResellGrossIncludingNotSubjectToMasterNettingArrangement	666467000000	USD
CY2020Q4	us-gaap	Securities Purchased Under Agreements To Resell Liability SecuritiesPurchasedUnderAgreementsToResellLiability	370183000000	USD
CY2020Q4	us-gaap	Heldtomaturity Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCost	34263000000	USD
CY2020Q4	us-gaap	Heldtomaturity Securities Debt Maturities Rolling After Ten Years Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingAfterTenYearsAmortizedCost	124435000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	201899000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities Next Rolling Twelve Months Fair Value HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	501000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Two Through Five Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	42738000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Six Through Ten Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	35152000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities Rolling After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue	127081000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	205472000000	USD
CY2020Q4	us-gaap	Debt Securities Held To Maturity Maturity Within One Year Weighted Average Yield DebtSecuritiesHeldToMaturityMaturityWithinOneYearWeightedAverageYield	0.0186
CY2020Q4	us-gaap	Debt Securities Held To Maturity Maturity After One Through Five Years Weighted Average Yield DebtSecuritiesHeldToMaturityMaturityAfterOneThroughFiveYearsWeightedAverageYield	0.0060
CY2020Q4	us-gaap	Debt Securities Held To Maturity Maturity After Five Through Ten Years Weighted Average Yield DebtSecuritiesHeldToMaturityMaturityAfterFiveThroughTenYearsWeightedAverageYield	0.0165
CY2020Q4	us-gaap	Debt Securities Held To Maturity Maturity After10 Years Weighted Average Yield DebtSecuritiesHeldToMaturityMaturityAfter10YearsWeightedAverageYield	0.0288
CY2020Q4	jpm	Debt Securities Heldtomaturity Maturity Weighted Average Yield DebtSecuritiesHeldtomaturityMaturityWeightedAverageYield	0.0219
CY2020	jpm	Us Government Agencies And Us Governmentsponsored Enterprises Residential Mortgage Backed Securities Estimated Duration USGovernmentAgenciesAndUSGovernmentsponsoredEnterprisesResidentialMortgageBackedSecuritiesEstimatedDuration	P5Y
CY2020	jpm	Us Government Agencies And Us Governmentsponsored Enterprises Residential Collateralized Mortgage Obligations Estimated Duration USGovernmentAgenciesAndUSGovernmentsponsoredEnterprisesResidentialCollateralizedMortgageObligationsEstimatedDuration	P4Y
CY2020	jpm	U.S.Non Agency Residential Collateralized Mortgage Obligations Estimated Duration U.S.NonAgencyResidentialCollateralizedMortgageObligationsEstimatedDuration	P3Y
CY2020Q4	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	296284000000	USD
CY2020Q4	us-gaap	Securities Purchased Under Agreements To Resell Fair Value Of Collateral SecuritiesPurchasedUnderAgreementsToResellFairValueOfCollateral	273206000000	USD
CY2020Q4	us-gaap	Securities Purchased Under Agreements To Resell Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election SecuritiesPurchasedUnderAgreementsToResellOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	23078000000	USD
CY2020Q4	us-gaap	Securities Borrowed Gross Including Not Subject To Master Netting Arrangement SecuritiesBorrowedGrossIncludingNotSubjectToMasterNettingArrangement	193700000000	USD
CY2020Q4	us-gaap	Securities Borrowed Liability SecuritiesBorrowedLiability	33065000000	USD
CY2020Q4	us-gaap	Securities Borrowed SecuritiesBorrowed	160635000000	USD
CY2020Q4	us-gaap	Securities Borrowed Fair Value Of Collateral SecuritiesBorrowedFairValueOfCollateral	115219000000	USD
CY2020Q4	us-gaap	Securities Borrowed Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election SecuritiesBorrowedOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	45416000000	USD
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement SecuritiesSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	578060000000	USD
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	370183000000	USD
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	207877000000	USD
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase Fair Value Of Collateral SecuritiesSoldUnderAgreementsToRepurchaseFairValueOfCollateral	191980000000	USD
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election SecuritiesSoldUnderAgreementsToRepurchaseOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	15897000000	USD
CY2020Q4	us-gaap	Securities Loaned Gross Including Not Subject To Master Netting Arrangement SecuritiesLoanedGrossIncludingNotSubjectToMasterNettingArrangement	41366000000	USD
CY2020Q4	us-gaap	Securities Loaned Asset SecuritiesLoanedAsset	33065000000	USD
CY2020Q4	us-gaap	Securities Loaned SecuritiesLoaned	8301000000	USD
CY2020Q4	us-gaap	Securities Loaned Fair Value Of Collateral SecuritiesLoanedFairValueOfCollateral	8257000000	USD
CY2020Q4	us-gaap	Securities Loaned Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election SecuritiesLoanedOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	44000000	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	231147000000	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election SecuritiesPurchasedUnderAgreementsToResellOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	17999000000	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
CY2020Q4	us-gaap	Securities Purchased Under Agreements To Resell Not Subject To Master Netting Arrangement SecuritiesPurchasedUnderAgreementsToResellNotSubjectToMasterNettingArrangement	17000000000.0	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Not Subject To Master Netting Arrangement SecuritiesPurchasedUnderAgreementsToResellNotSubjectToMasterNettingArrangement	11000000000.0	USD
CY2020Q4	us-gaap	Securities Borrowed Not Subject To Master Netting Arrangement Deduction SecuritiesBorrowedNotSubjectToMasterNettingArrangementDeduction	42100000000	USD
CY2019Q4	us-gaap	Securities Borrowed Not Subject To Master Netting Arrangement Deduction SecuritiesBorrowedNotSubjectToMasterNettingArrangementDeduction	31900000000	USD
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase Not Subject To Master Netting Arrangement SecuritiesSoldUnderAgreementsToRepurchaseNotSubjectToMasterNettingArrangement	14500000000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Not Subject To Master Netting Arrangement SecuritiesSoldUnderAgreementsToRepurchaseNotSubjectToMasterNettingArrangement	22700000000	USD
CY2020Q4	us-gaap	Securities Loaned Not Subject To Master Netting Arrangement Deduction SecuritiesLoanedNotSubjectToMasterNettingArrangementDeduction	8000000	USD
CY2019Q4	us-gaap	Securities Loaned Not Subject To Master Netting Arrangement Deduction SecuritiesLoanedNotSubjectToMasterNettingArrangementDeduction	7000000	USD
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement SecuritiesSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	578060000000	USD
CY2020Q4	us-gaap	Securities Loaned Gross Including Not Subject To Master Netting Arrangement SecuritiesLoanedGrossIncludingNotSubjectToMasterNettingArrangement	41366000000	USD
CY2019	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	394000000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement SecuritiesSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	555172000000	USD
CY2018	us-gaap	Financing Receivable Reclassification To Held For Sale FinancingReceivableReclassificationToHeldForSale	2312000000	USD
CY2020	us-gaap	Gain Loss On Sale Of Notes Receivable GainLossOnSaleOfNotesReceivable	-43000000	USD
CY2020	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	-36000000	USD
CY2019Q4	us-gaap	Securities Loaned Gross Including Not Subject To Master Netting Arrangement SecuritiesLoanedGrossIncludingNotSubjectToMasterNettingArrangement	36649000000	USD
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement SecuritiesSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	578060000000	USD
CY2020Q4	us-gaap	Securities Loaned Gross Including Not Subject To Master Netting Arrangement SecuritiesLoanedGrossIncludingNotSubjectToMasterNettingArrangement	41366000000	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
CY2020Q4	us-gaap	Transfers Accounted For As Secured Borrowings Assets Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount	598000000	USD
CY2019Q4	us-gaap	Transfers Accounted For As Secured Borrowings Assets Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount	743000000	USD
CY2020	jpm	Numberof Loan Portfolio Segments NumberofLoanPortfolioSegments	3	loan_segment
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	960506000000	USD
CY2020Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	7873000000	USD
CY2020Q4	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	44474000000	USD
CY2020Q4	jpm	Financing Receivable Before Allowance For Credit Losses Netof Deferred Income FinancingReceivableBeforeAllowanceForCreditLossesNetofDeferredIncome	1012853000000	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
CY2020Q4	us-gaap	Financing Receivable Accrued Interest Before Allowance For Credit Loss FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss	2900000000	USD
CY2019Q4	us-gaap	Financing Receivable Accrued Interest Before Allowance For Credit Loss FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss	2900000000	USD
CY2020	us-gaap	Financing Receivable Accrued Interest Writeoff FinancingReceivableAccruedInterestWriteoff	121000000	USD
CY2019	us-gaap	Financing Receivable Accrued Interest Writeoff FinancingReceivableAccruedInterestWriteoff	50000000	USD
CY2020	us-gaap	Financing Receivable Significant Purchases FinancingReceivableSignificantPurchases	4633000000	USD
CY2020	us-gaap	Financing Receivable Significant Sales FinancingReceivableSignificantSales	18268000000	USD
CY2020	us-gaap	Financing Receivable Reclassification To Held For Sale FinancingReceivableReclassificationToHeldForSale	4451000000	USD
CY2019	us-gaap	Financing Receivable Significant Purchases FinancingReceivableSignificantPurchases	2573000000	USD
CY2019	us-gaap	Financing Receivable Significant Sales FinancingReceivableSignificantSales	53919000000	USD
CY2019	us-gaap	Financing Receivable Reclassification To Held For Sale FinancingReceivableReclassificationToHeldForSale	11559000000	USD
CY2018	us-gaap	Financing Receivable Significant Purchases FinancingReceivableSignificantPurchases	4897000000	USD
CY2018	us-gaap	Financing Receivable Significant Sales FinancingReceivableSignificantSales	26725000000	USD
CY2018	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	0	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	13123000000	USD
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	6836000000	USD
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1577000000	USD
CY2020	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	5259000000	USD
CY2020	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	16291000000	USD
CY2020	us-gaap	Financing Receivable Change In Present Value Expense Reversal FinancingReceivableChangeInPresentValueExpenseReversal	1000000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	28328000000	USD
CY2019Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	1191000000	USD
CY2020	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	1121000000	USD
CY2017Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	1068000000	USD
CY2020	us-gaap	Debt Securities Held To Maturity Credit Loss Expense Reversal DebtSecuritiesHeldToMaturityCreditLossExpenseReversal	68000000	USD
CY2020	us-gaap	Off Balance Sheet Credit Loss Liability Change In Method Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityChangeInMethodCreditLossExpenseReversal	-1000000	USD
CY2020Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	2409000000	USD
CY2020Q4	jpm	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiability	30737000000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	1308000000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	27020000000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	28328000000	USD
CY2020Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	21629000000	USD
CY2020Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	938877000000	USD
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	960506000000	USD
CY2020Q4	jpm	Off Balance Sheet Credit Loss Liability Individually Evaluated For Impairment OffBalanceSheetCreditLossLiabilityIndividuallyEvaluatedForImpairment	114000000	USD
CY2020Q4	jpm	Off Balance Sheet Credit Loss Liability Collectively Evaluated For Impairment OffBalanceSheetCreditLossLiabilityCollectivelyEvaluatedForImpairment	2295000000	USD
CY2020Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	2409000000	USD
CY2020Q4	jpm	Off Balance Sheet Lending Related Financial Commitments Contractual Amount Evaluated At Asset Specific Impairment Methodology OffBalanceSheetLendingRelatedFinancialCommitmentsContractualAmountEvaluatedAtAssetSpecificImpairmentMethodology	577000000	USD
CY2020Q4	jpm	Off Balance Sheet Lending Related Financial Commitments Contractual Amount Evaluatedat Portfolio Based Impairment Methodology OffBalanceSheetLendingRelatedFinancialCommitmentsContractualAmountEvaluatedatPortfolioBasedImpairmentMethodology	464654000000	USD
CY2020Q4	jpm	Off Balance Sheet Lending Related Financial Commitments Excluding Commitments For Which Allowance For Credit Loss Not Permitted Contractual Amount OffBalanceSheetLendingRelatedFinancialCommitmentsExcludingCommitmentsForWhichAllowanceForCreditLossNotPermittedContractualAmount	465231000000	USD
CY2020Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	78000000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	13445000000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	13604000000	USD
CY2019	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	6810000000	USD
CY2018	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	6349000000	USD
CY2019	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1181000000	USD
CY2018	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1493000000	USD
CY2019	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	5629000000	USD
CY2018	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	4856000000	USD
CY2019	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	5449000000	USD
CY2018	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	4885000000	USD
CY2019	us-gaap	Financing Receivable Change In Present Value Expense Reversal FinancingReceivableChangeInPresentValueExpenseReversal	9000000	USD
CY2018	us-gaap	Financing Receivable Change In Present Value Expense Reversal FinancingReceivableChangeInPresentValueExpenseReversal	-1000000	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
CY2018Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	1055000000	USD
CY2019	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	136000000	USD
CY2018	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-14000000	USD
CY2019	us-gaap	Off Balance Sheet Credit Loss Liability Change In Method Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityChangeInMethodCreditLossExpenseReversal	0	USD
CY2018	us-gaap	Off Balance Sheet Credit Loss Liability Change In Method Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityChangeInMethodCreditLossExpenseReversal	1000000	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
CY2019Q4	jpm	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiability	14314000000	USD
CY2018Q4	jpm	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiability	14500000000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	847000000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	933000000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	11289000000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	10724000000	USD
CY2019Q4	us-gaap	Certain Loans And Debt Securities Acquired In Transfer Allowance For Credit Losses Due To Subsequent Impairment CertainLoansAndDebtSecuritiesAcquiredInTransferAllowanceForCreditLossesDueToSubsequentImpairment	987000000	USD
CY2018Q4	us-gaap	Certain Loans And Debt Securities Acquired In Transfer Allowance For Credit Losses Due To Subsequent Impairment CertainLoansAndDebtSecuritiesAcquiredInTransferAllowanceForCreditLossesDueToSubsequentImpairment	1788000000	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
CY2019Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	8536000000	USD
CY2018Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	9443000000	USD
CY2019Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	916702000000	USD
CY2018Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	935935000000	USD
CY2019Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Consumer Outstanding Balance CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesConsumerOutstandingBalance	20363000000	USD
CY2018Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Consumer Outstanding Balance CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesConsumerOutstandingBalance	24037000000	USD
CY2019Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	945601000000	USD
CY2018Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	969415000000	USD
CY2019Q4	jpm	Off Balance Sheet Credit Loss Liability Individually Evaluated For Impairment OffBalanceSheetCreditLossLiabilityIndividuallyEvaluatedForImpairment	102000000	USD
CY2018Q4	jpm	Off Balance Sheet Credit Loss Liability Individually Evaluated For Impairment OffBalanceSheetCreditLossLiabilityIndividuallyEvaluatedForImpairment	99000000	USD
CY2019Q4	jpm	Off Balance Sheet Credit Loss Liability Collectively Evaluated For Impairment OffBalanceSheetCreditLossLiabilityCollectivelyEvaluatedForImpairment	1089000000	USD
CY2018Q4	jpm	Off Balance Sheet Credit Loss Liability Collectively Evaluated For Impairment OffBalanceSheetCreditLossLiabilityCollectivelyEvaluatedForImpairment	956000000	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
CY2019Q4	jpm	Off Balance Sheet Lending Related Financial Commitments Contractual Amount Evaluated At Asset Specific Impairment Methodology OffBalanceSheetLendingRelatedFinancialCommitmentsContractualAmountEvaluatedAtAssetSpecificImpairmentMethodology	474000000	USD
CY2018Q4	jpm	Off Balance Sheet Lending Related Financial Commitments Contractual Amount Evaluated At Asset Specific Impairment Methodology OffBalanceSheetLendingRelatedFinancialCommitmentsContractualAmountEvaluatedAtAssetSpecificImpairmentMethodology	469000000	USD
CY2019Q4	jpm	Off Balance Sheet Lending Related Financial Commitments Contractual Amount Evaluatedat Portfolio Based Impairment Methodology OffBalanceSheetLendingRelatedFinancialCommitmentsContractualAmountEvaluatedatPortfolioBasedImpairmentMethodology	423384000000	USD
CY2018Q4	jpm	Off Balance Sheet Lending Related Financial Commitments Contractual Amount Evaluatedat Portfolio Based Impairment Methodology OffBalanceSheetLendingRelatedFinancialCommitmentsContractualAmountEvaluatedatPortfolioBasedImpairmentMethodology	401498000000	USD
CY2019Q4	jpm	Off Balance Sheet Lending Related Financial Commitments Excluding Commitments For Which Allowance For Credit Loss Not Permitted Contractual Amount OffBalanceSheetLendingRelatedFinancialCommitmentsExcludingCommitmentsForWhichAllowanceForCreditLossNotPermittedContractualAmount	423858000000	USD
CY2018Q4	jpm	Off Balance Sheet Lending Related Financial Commitments Excluding Commitments For Which Allowance For Credit Loss Not Permitted Contractual Amount OffBalanceSheetLendingRelatedFinancialCommitmentsExcludingCommitmentsForWhichAllowanceForCreditLossNotPermittedContractualAmount	401967000000	USD
CY2020Q4	us-gaap	Continuing Involvement With Transferred Financial Assets Principal Amount Outstanding ContinuingInvolvementWithTransferredFinancialAssetsPrincipalAmountOutstanding	182272000000	USD
CY2019Q4	us-gaap	Continuing Involvement With Transferred Financial Assets Principal Amount Outstanding ContinuingInvolvementWithTransferredFinancialAssetsPrincipalAmountOutstanding	186912000000	USD
CY2020Q4	jpm	Percent Of Retained Securitization Interests Fair Value Rated Or Better PercentOfRetainedSecuritizationInterestsFairValueRatedOrBetter	0.73
CY2019Q4	jpm	Percent Of Retained Securitization Interests Fair Value Rated Or Better PercentOfRetainedSecuritizationInterestsFairValueRatedOrBetter	0.63
CY2020	jpm	Securities Transferred To Agency Resecuritization Vies SecuritiesTransferredToAgencyResecuritizationVies	46123000000	USD
CY2019	jpm	Securities Transferred To Agency Resecuritization Vies SecuritiesTransferredToAgencyResecuritizationVies	25852000000	USD
CY2018	jpm	Securities Transferred To Agency Resecuritization Vies SecuritiesTransferredToAgencyResecuritizationVies	15532000000	USD
CY2018	jpm	Securities Transferred To Private Label Resecuritization Vies SecuritiesTransferredToPrivateLabelResecuritizationVies	0	USD
CY2020	jpm	Securities Transferred To Private Label Resecuritization Vies SecuritiesTransferredToPrivateLabelResecuritizationVies	0	USD
CY2019	jpm	Securities Transferred To Private Label Resecuritization Vies SecuritiesTransferredToPrivateLabelResecuritizationVies	0	USD
CY2020Q4	us-gaap	Goodwill Goodwill	49248000000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	47823000000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	47471000000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	47823000000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	47471000000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	47507000000	USD
CY2020	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	1412000000	USD
CY2019	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	349000000	USD
CY2018	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	USD
CY2020	us-gaap	Goodwill Other Increase Decrease GoodwillOtherIncreaseDecrease	13000000	USD
CY2019	us-gaap	Goodwill Other Increase Decrease GoodwillOtherIncreaseDecrease	3000000	USD
CY2018	us-gaap	Goodwill Other Increase Decrease GoodwillOtherIncreaseDecrease	-36000000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	49248000000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	47823000000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	47471000000	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
CY2017Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	6030000000	USD
CY2020	jpm	Servicing Asset At Fair Value Additions Originations ServicingAssetAtFairValueAdditionsOriginations	944000000	USD
CY2019	jpm	Servicing Asset At Fair Value Additions Originations ServicingAssetAtFairValueAdditionsOriginations	1384000000	USD
CY2018	jpm	Servicing Asset At Fair Value Additions Originations ServicingAssetAtFairValueAdditionsOriginations	931000000	USD
CY2020	jpm	Servicing Asset At Fair Value Additions Purchases ServicingAssetAtFairValueAdditionsPurchases	248000000	USD
CY2019	jpm	Servicing Asset At Fair Value Additions Purchases ServicingAssetAtFairValueAdditionsPurchases	105000000	USD
CY2018	jpm	Servicing Asset At Fair Value Additions Purchases ServicingAssetAtFairValueAdditionsPurchases	315000000	USD
CY2020	us-gaap	Servicing Asset At Fair Value Disposals ServicingAssetAtFairValueDisposals	176000000	USD
CY2019	us-gaap	Servicing Asset At Fair Value Disposals ServicingAssetAtFairValueDisposals	789000000	USD
CY2018	us-gaap	Servicing Asset At Fair Value Disposals ServicingAssetAtFairValueDisposals	636000000	USD
CY2020	jpm	Mortgage Servicing Rights Net Additions MortgageServicingRightsNetAdditions	1016000000	USD
CY2019	jpm	Mortgage Servicing Rights Net Additions MortgageServicingRightsNetAdditions	700000000	USD
CY2018	jpm	Mortgage Servicing Rights Net Additions MortgageServicingRightsNetAdditions	610000000	USD
CY2020	jpm	Servicing Assetat Fair Value Changesduetocollectionrealizationofexpectedcashflows ServicingAssetatFairValueChangesduetocollectionrealizationofexpectedcashflows	-899000000	USD
CY2019	jpm	Servicing Assetat Fair Value Changesduetocollectionrealizationofexpectedcashflows ServicingAssetatFairValueChangesduetocollectionrealizationofexpectedcashflows	-951000000	USD
CY2018	jpm	Servicing Assetat Fair Value Changesduetocollectionrealizationofexpectedcashflows ServicingAssetatFairValueChangesduetocollectionrealizationofexpectedcashflows	-740000000	USD
CY2020	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsmarketinterestratesandother ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsmarketinterestratesandother	-1568000000	USD
CY2019	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsmarketinterestratesandother ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsmarketinterestratesandother	-893000000	USD
CY2018	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsmarketinterestratesandother ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsmarketinterestratesandother	300000000	USD
CY2020	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsprojectedcashflows ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsprojectedcashflows	-54000000	USD
CY2019	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsprojectedcashflows ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsprojectedcashflows	-333000000	USD
CY2018	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsprojectedcashflows ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsprojectedcashflows	15000000	USD
CY2020	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsdiscountrates ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsdiscountrates	199000000	USD
CY2019	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsdiscountrates ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsdiscountrates	153000000	USD
CY2018	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsdiscountrates ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsdiscountrates	24000000	USD
CY2020	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsprepaymentmodelchangesandother ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsprepaymentmodelchangesandother	-117000000	USD
CY2019	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsprepaymentmodelchangesandother ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsprepaymentmodelchangesandother	-107000000	USD
CY2018	jpm	Servicing Assetat Fair Value Changesinvaluationduetoinputsandassumptionsprepaymentmodelchangesandother ServicingAssetatFairValueChangesinvaluationduetoinputsandassumptionsprepaymentmodelchangesandother	-109000000	USD
CY2020	jpm	Servicing Assetat Fair Value Changesin Fair Value Resultingfrom Changesin Other Valuation Inputsor Changesin Assumptions ServicingAssetatFairValueChangesinFairValueResultingfromChangesinOtherValuationInputsorChangesinAssumptions	28000000	USD
CY2019	jpm	Servicing Assetat Fair Value Changesin Fair Value Resultingfrom Changesin Other Valuation Inputsor Changesin Assumptions ServicingAssetatFairValueChangesinFairValueResultingfromChangesinOtherValuationInputsorChangesinAssumptions	-287000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Term Of Contract LesseeOperatingLeaseTermOfContract	P20Y
CY2018	jpm	Servicing Assetat Fair Value Changesin Fair Value Resultingfrom Changesin Other Valuation Inputsor Changesin Assumptions ServicingAssetatFairValueChangesinFairValueResultingfromChangesinOtherValuationInputsorChangesinAssumptions	-70000000	USD
CY2020	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	-1540000000	USD
CY2019	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	-1180000000	USD
CY2018	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	230000000	USD
CY2020Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	3276000000	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
CY2020	jpm	Mortgage Servicing Rights Change In Unrealized Gains Losses Included In Income MortgageServicingRightsChangeInUnrealizedGainsLossesIncludedInIncome	-1540000000	USD
CY2019	jpm	Mortgage Servicing Rights Change In Unrealized Gains Losses Included In Income MortgageServicingRightsChangeInUnrealizedGainsLossesIncludedInIncome	-1180000000	USD
CY2018	jpm	Mortgage Servicing Rights Change In Unrealized Gains Losses Included In Income MortgageServicingRightsChangeInUnrealizedGainsLossesIncludedInIncome	230000000	USD
CY2020	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	1325000000	USD
CY2019	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	1639000000	USD
CY2018	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	1778000000	USD
CY2020Q4	jpm	Mortgage Loans Serviced Third Party At Period End MortgageLoansServicedThirdPartyAtPeriodEnd	448000000000.0	USD
CY2019Q4	jpm	Mortgage Loans Serviced Third Party At Period End MortgageLoansServicedThirdPartyAtPeriodEnd	522000000000.0	USD
CY2018Q4	jpm	Mortgage Loans Serviced Third Party At Period End MortgageLoansServicedThirdPartyAtPeriodEnd	521000000000.0	USD
CY2020Q4	jpm	Servicer Advances On Mortgage Loans ServicerAdvancesOnMortgageLoans	1800000000	USD
CY2019Q4	jpm	Servicer Advances On Mortgage Loans ServicerAdvancesOnMortgageLoans	2000000000.0	USD
CY2018Q4	jpm	Servicer Advances On Mortgage Loans ServicerAdvancesOnMortgageLoans	3000000000.0	USD
CY2020	jpm	Fees And Commissions Mortgage Banking And Related All Other FeesAndCommissionsMortgageBankingAndRelatedAllOther	12000000	USD
CY2019	jpm	Fees And Commissions Mortgage Banking And Related All Other FeesAndCommissionsMortgageBankingAndRelatedAllOther	1000000	USD
CY2018	jpm	Fees And Commissions Mortgage Banking And Related All Other FeesAndCommissionsMortgageBankingAndRelatedAllOther	2000000	USD
CY2020	jpm	Mortgage Fees And Related Income MortgageFeesAndRelatedIncome	3091000000	USD
CY2019	jpm	Mortgage Fees And Related Income MortgageFeesAndRelatedIncome	2036000000	USD
CY2018	jpm	Mortgage Fees And Related Income MortgageFeesAndRelatedIncome	1254000000	USD
CY2020	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	0.1490
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
CY2020Q4	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	206000000	USD
CY2020Q4	us-gaap	Deposits Deposits	2144257000000	USD
CY2019Q4	us-gaap	Deposits Deposits	1562431000000	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
CY2020Q4	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	392000000	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
CY2020	jpm	Weighted Average Option Adjusted Spread WeightedAverageOptionAdjustedSpread	0.0719
CY2019	jpm	Weighted Average Option Adjusted Spread WeightedAverageOptionAdjustedSpread	0.0793
CY2020Q4	jpm	Weighted Average Option Adjusted Spread Impact On Fair Value Of Hundred Basis Points Adverse Change WeightedAverageOptionAdjustedSpreadImpactOnFairValueOfHundredBasisPointsAdverseChange	134000000	USD
CY2019Q4	jpm	Weighted Average Option Adjusted Spread Impact On Fair Value Of Hundred Basis Points Adverse Change WeightedAverageOptionAdjustedSpreadImpactOnFairValueOfHundredBasisPointsAdverseChange	169000000	USD
CY2020Q4	jpm	Weighted Average Option Adjusted Spread Impact On Fair Value Of Two Hundred Basis Points Adverse Change WeightedAverageOptionAdjustedSpreadImpactOnFairValueOfTwoHundredBasisPointsAdverseChange	258000000	USD
CY2019Q4	jpm	Weighted Average Option Adjusted Spread Impact On Fair Value Of Two Hundred Basis Points Adverse Change WeightedAverageOptionAdjustedSpreadImpactOnFairValueOfTwoHundredBasisPointsAdverseChange	326000000	USD
CY2020Q4	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	572711000000	USD
CY2019Q4	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	395667000000	USD
CY2020Q4	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	1197032000000	USD
CY2019Q4	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	876156000000	USD
CY2020Q4	us-gaap	Deposits Domestic DepositsDomestic	1769743000000	USD
CY2019Q4	us-gaap	Deposits Domestic DepositsDomestic	1271823000000	USD
CY2020Q4	us-gaap	Noninterest Bearing Deposit Liabilities Foreign NoninterestBearingDepositLiabilitiesForeign	23435000000	USD
CY2019Q4	us-gaap	Noninterest Bearing Deposit Liabilities Foreign NoninterestBearingDepositLiabilitiesForeign	20087000000	USD
CY2020Q4	us-gaap	Interest Bearing Deposit Liabilities Foreign InterestBearingDepositLiabilitiesForeign	351079000000	USD
CY2019Q4	us-gaap	Interest Bearing Deposit Liabilities Foreign InterestBearingDepositLiabilitiesForeign	270521000000	USD
CY2020Q4	us-gaap	Deposits Foreign DepositsForeign	374514000000	USD
CY2019Q4	us-gaap	Deposits Foreign DepositsForeign	290608000000	USD
CY2020Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	84335000000	USD
CY2019Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	94967000000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	92927000000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	1626000000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	266000000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	246000000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	830000000	USD
CY2020Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	749000000	USD
CY2020Q4	us-gaap	Time Deposits TimeDeposits	96644000000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	8006000000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	8190000000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	8508000000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	8505000000	USD
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y8M12D
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y9M18D
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0348
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0368
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	1626000000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	1572000000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1350000000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1413000000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	2094000000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	2057000000	USD
CY2020	us-gaap	Sublease Income SubleaseIncome	166000000	USD
CY2019	us-gaap	Sublease Income SubleaseIncome	184000000	USD
CY2020	us-gaap	Lease Cost LeaseCost	1928000000	USD
CY2019	us-gaap	Lease Cost LeaseCost	1873000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	1606000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1435000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1270000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1123000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	947000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	3602000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	9983000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1475000000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	8508000000	USD
CY2020Q4	jpm	Lessee Operating Lease Lease Not Yet Commenced Amount LesseeOperatingLeaseLeaseNotYetCommencedAmount	1200000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Lease Not Yet Commenced Term Of Contract1 LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1	P25Y
CY2020	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	5539000000	USD
CY2019	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	5455000000	USD
CY2018	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	4540000000	USD
CY2018	us-gaap	Operating Leases Income Statement Depreciation Expense On Property Subject To Or Held For Lease OperatingLeasesIncomeStatementDepreciationExpenseOnPropertySubjectToOrHeldForLease	3522000000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	3686000000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	2084000000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	613000000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	52000000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received Five Years LessorOperatingLeasePaymentsToBeReceivedFiveYears	24000000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received Thereafter LessorOperatingLeasePaymentsToBeReceivedThereafter	34000000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	6493000000	USD
CY2020Q4	srt	Payables To Broker Dealers And Clearing Organizations PayablesToBrokerDealersAndClearingOrganizations	140291000000	USD
CY2019Q4	srt	Payables To Broker Dealers And Clearing Organizations PayablesToBrokerDealersAndClearingOrganizations	118375000000	USD
CY2020Q4	us-gaap	Accounts Payable And Other Accrued Liabilities AccountsPayableAndOtherAccruedLiabilities	92308000000	USD
CY2019Q4	us-gaap	Accounts Payable And Other Accrued Liabilities AccountsPayableAndOtherAccruedLiabilities	92032000000	USD
CY2020Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	232599000000	USD
CY2019Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	210407000000	USD
CY2020Q4	us-gaap	Contract With Customer Refund Liability Current ContractWithCustomerRefundLiabilityCurrent	7700000000	USD
CY2019Q4	us-gaap	Contract With Customer Refund Liability Current ContractWithCustomerRefundLiabilityCurrent	6400000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	26934000000	USD
CY2020Q4	jpm	Long Term Debt Maturing In Years One Through Five LongTermDebtMaturingInYearsOneThroughFive	97268000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	157483000000	USD
CY2020Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	281685000000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	291498000000	USD
CY2020	jpm	Debt Instrument Interest Rate Percentage Modified For Effects Of Hedge Accounting Excluding Debt Accounted For At Fair Value Minimum DebtInstrumentInterestRatePercentageModifiedForEffectsOfHedgeAccountingExcludingDebtAccountedForAtFairValueMinimum	-0.0040
CY2020	jpm	Debt Instrument Interest Rate Percentage Modified For Effects Of Hedge Accounting Excluding Debt Accounted For At Fair Value Maximum DebtInstrumentInterestRatePercentageModifiedForEffectsOfHedgeAccountingExcludingDebtAccountedForAtFairValueMaximum	0.0728
CY2020Q4	jpm	Long Term Debt Collateral LongTermDebtCollateral	166400000000	USD
CY2019Q4	jpm	Long Term Debt Collateral LongTermDebtCollateral	186100000000	USD
CY2020Q4	jpm	Zero Coupon Notes Aggregate Carrying Value ZeroCouponNotesAggregateCarryingValue	16100000000	USD
CY2019Q4	jpm	Zero Coupon Notes Aggregate Carrying Value ZeroCouponNotesAggregateCarryingValue	14000000000.0	USD
CY2020Q4	jpm	Zero Coupon Notes Aggregate Principal Amount At Maturity ZeroCouponNotesAggregatePrincipalAmountAtMaturity	45300000000	USD
CY2019Q4	jpm	Zero Coupon Notes Aggregate Principal Amount At Maturity ZeroCouponNotesAggregatePrincipalAmountAtMaturity	39700000000	USD
CY2020Q4	jpm	Redeemable Long Term Debt RedeemableLongTermDebt	151300000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	26900000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	18400000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	32200000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	29600000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	17100000000	USD
CY2020Q4	jpm	Debt Instrument Weighted Average Interest Rate Stated Percentage Excluding Structured Notes DebtInstrumentWeightedAverageInterestRateStatedPercentageExcludingStructuredNotes	0.0289
CY2019Q4	jpm	Debt Instrument Weighted Average Interest Rate Stated Percentage Excluding Structured Notes DebtInstrumentWeightedAverageInterestRateStatedPercentageExcludingStructuredNotes	0.0313
CY2020Q4	jpm	Debt Instrument Weighted Average Interest Rate Modified For Effects Of Hedge Accounting DebtInstrumentWeightedAverageInterestRateModifiedForEffectsOfHedgeAccounting	0.0158
CY2019Q4	jpm	Debt Instrument Weighted Average Interest Rate Modified For Effects Of Hedge Accounting DebtInstrumentWeightedAverageInterestRateModifiedForEffectsOfHedgeAccounting	0.0319
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000000	shares
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000000	shares
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1
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CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	3006250	shares
CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	2699250	shares
CY2020Q4	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
CY2020Q4	us-gaap	Preferred Stock Redemption Price Per Share PreferredStockRedemptionPricePerShare	10000
CY2020Q4	us-gaap	Preferred Stock Liquidation Preference Value PreferredStockLiquidationPreferenceValue	30500000000	USD
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CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	4104900000	shares
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	4104900000	shares
CY2017Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	4104900000	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	3049400000	shares
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	3084000000.0	shares
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	3275800000	shares
CY2020Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	30000000000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	29131000000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	36431000000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	32474000000	USD
CY2020	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1583000000	USD
CY2019	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1587000000	USD
CY2018	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1551000000	USD
CY2020	jpm	Net Income Applicable To Common Equity NetIncomeApplicableToCommonEquity	27548000000	USD
CY2019	jpm	Net Income Applicable To Common Equity NetIncomeApplicableToCommonEquity	34844000000	USD
CY2018	jpm	Net Income Applicable To Common Equity NetIncomeApplicableToCommonEquity	30923000000	USD
CY2020	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	138000000	USD
CY2019	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	202000000	USD
CY2018	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	214000000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	27410000000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	34642000000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	30709000000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	3082400000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	3221500000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	3396400000	shares
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	8.89
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CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	3082400000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	3221500000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	3396400000	shares
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	5000000.0	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	8900000	shares
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	17600000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	3087400000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	3230400000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	3414000000.0	shares
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CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	6417000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	8066000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	1649000000	USD
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CY2019	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	3921000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	845000000	USD
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CY2018	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-285000000	USD
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CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
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CY2019	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.018
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.006
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.063
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.044
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CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Settlements EffectiveIncomeTaxRateReconciliationTaxSettlements	-0.001
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CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Percent EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Percent	0
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Percent EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Percent	-0.007
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.007
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0
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CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.177
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.182
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CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	5759000000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	3284000000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	2854000000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	2705000000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	2103000000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	2077000000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1793000000	USD
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CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1638000000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	10257000000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	7165000000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	6569000000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-3184000000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	709000000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	1359000000	USD
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-126000000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	20000000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-93000000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-671000000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	220000000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	455000000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-3981000000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	949000000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1721000000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6276000000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8114000000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8290000000	USD
CY2020	us-gaap	Tax Adjustments Settlements And Unusual Provisions TaxAdjustmentsSettlementsAndUnusualProvisions	-72000000	USD
CY2019	us-gaap	Tax Adjustments Settlements And Unusual Provisions TaxAdjustmentsSettlementsAndUnusualProvisions	-1100000000	USD
CY2018	us-gaap	Tax Adjustments Settlements And Unusual Provisions TaxAdjustmentsSettlementsAndUnusualProvisions	-54000000	USD
CY2020	us-gaap	Income Tax Effects Allocated Directly To Equity IncomeTaxEffectsAllocatedDirectlyToEquity	-827000000	USD
CY2019	us-gaap	Income Tax Effects Allocated Directly To Equity IncomeTaxEffectsAllocatedDirectlyToEquity	-862000000	USD
CY2018	us-gaap	Income Tax Effects Allocated Directly To Equity IncomeTaxEffectsAllocatedDirectlyToEquity	172000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	26904000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	36670000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	33052000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	8503000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	7875000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	7712000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	35407000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	44545000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	40764000000	USD
CY2018	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	1500000000	USD
CY2019	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	1500000000	USD
CY2020	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	1500000000	USD
CY2020	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	1200000000	USD
CY2019	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	1100000000	USD
CY2018	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	1200000000	USD
CY2020Q4	us-gaap	Amortization Method Qualified Affordable Housing Project Investments AmortizationMethodQualifiedAffordableHousingProjectInvestments	9700000000	USD
CY2019Q4	us-gaap	Amortization Method Qualified Affordable Housing Project Investments AmortizationMethodQualifiedAffordableHousingProjectInvestments	8600000000	USD
CY2020Q4	us-gaap	Qualified Affordable Housing Project Investments Commitment QualifiedAffordableHousingProjectInvestmentsCommitment	3800000000	USD
CY2019Q4	us-gaap	Qualified Affordable Housing Project Investments Commitment QualifiedAffordableHousingProjectInvestmentsCommitment	2800000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	7270000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	3400000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	1104000000	USD
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CY2020Q4	jpm	Deferred Tax Assets Foreign Operations DeferredTaxAssetsForeignOperations	849000000	USD
CY2019Q4	jpm	Deferred Tax Assets Foreign Operations DeferredTaxAssetsForeignOperations	949000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Other DeferredTaxAssetsTaxCreditCarryforwardsOther	757000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Other DeferredTaxAssetsTaxCreditCarryforwardsOther	605000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	13312000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	8760000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	560000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	557000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	12752000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	8203000000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	3329000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	2852000000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	2184000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	2354000000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	5124000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	5598000000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	6025000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	4683000000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	16662000000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	15487000000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	3910000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	7284000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Other DeferredTaxAssetsTaxCreditCarryforwardsOther	757000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	444000000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4300000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4000000000.0	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4900000000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	3100000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	2800000000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	3800000000	USD
CY2020Q4	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Amount Of Unrecorded Benefit SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit	300000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4024000000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4861000000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4747000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	685000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	871000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	980000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	362000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	10000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	649000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	705000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	706000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	1249000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	116000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	1012000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	266000000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4250000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4024000000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4861000000	USD
CY2020	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	147000000	USD
CY2019	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	-52000000	USD
CY2018	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	192000000	USD
CY2020Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	966000000	USD
CY2019Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	817000000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	24400000000	USD
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	46500000000	USD
CY2020Q4	jpm	Cash And Securities Pledged With Clearing Organizations For The Benefit Of Customers CashAndSecuritiesPledgedWithClearingOrganizationsForTheBenefitOfCustomers	37200000000	USD
CY2019Q4	jpm	Cash And Securities Pledged With Clearing Organizations For The Benefit Of Customers CashAndSecuritiesPledgedWithClearingOrganizationsForTheBenefitOfCustomers	24700000000	USD
CY2020Q4	us-gaap	Securities Reserve Deposit Required And Made SecuritiesReserveDepositRequiredAndMade	1300000000	USD
CY2019Q4	us-gaap	Securities Reserve Deposit Required And Made SecuritiesReserveDepositRequiredAndMade	8800000000	USD
CY2020	jpm	Federal Restriction On Secured Borrowings From Subsidiaries Per Loan Portion Of Subsidiary Total Capital Percentage FederalRestrictionOnSecuredBorrowingsFromSubsidiariesPerLoanPortionOfSubsidiaryTotalCapitalPercentage	0.10
CY2020	jpm	Federal Restriction On Secured Borrowings From Subsidiaries All Loans Portion Of Subsidiary Total Capital Percentage FederalRestrictionOnSecuredBorrowingsFromSubsidiariesAllLoansPortionOfSubsidiaryTotalCapitalPercentage	0.20
CY2020Q4	jpm	Off Balance Sheet Lending Related Financial Commitments Contractual Amount Expiringin Less Than One Year OffBalanceSheetLendingRelatedFinancialCommitmentsContractualAmountExpiringinLessThanOneYear	812715000000	USD
CY2020Q4	jpm	Off Balance Sheet Lending Related Financial Commitments Contractual Amount Expiring Between Oneand Three One Years OffBalanceSheetLendingRelatedFinancialCommitmentsContractualAmountExpiringBetweenOneandThreeOneYears	183964000000	USD
CY2020Q4	jpm	Off Balance Sheet Lending Related Financial Commitments Contractual Amount Expiring Between Threeand Five Years OffBalanceSheetLendingRelatedFinancialCommitmentsContractualAmountExpiringBetweenThreeandFiveYears	136783000000	USD
CY2020Q4	jpm	Off Balance Sheet Lending Related Financial Commitments Contractual Amount Expiringin More Than Five Years OffBalanceSheetLendingRelatedFinancialCommitmentsContractualAmountExpiringinMoreThanFiveYears	32226000000	USD
CY2020Q4	jpm	Off Balance Sheet Lending Related Financial Commitments Contractual Amount OffBalanceSheetLendingRelatedFinancialCommitmentsContractualAmount	1165688000000	USD
CY2019Q4	jpm	Off Balance Sheet Lending Related Financial Commitments Contractual Amount OffBalanceSheetLendingRelatedFinancialCommitmentsContractualAmount	1108399000000	USD
CY2020Q4	jpm	Off Balance Sheet Lending Related Financial Instruments Carrying Value OffBalanceSheetLendingRelatedFinancialInstrumentsCarryingValue	2753000000	USD
CY2019Q4	jpm	Off Balance Sheet Lending Related Financial Instruments Carrying Value OffBalanceSheetLendingRelatedFinancialInstrumentsCarryingValue	1586000000	USD
CY2020	jpm	Percentage Of Cash Or Liquid Collateral Relative To Value Of Securities On Loan PercentageOfCashOrLiquidCollateralRelativeToValueOfSecuritiesOnLoan	1
CY2020	jpm	Percentageof Collateral Relativeto Valueof Resale Agreements PercentageofCollateralRelativetoValueofResaleAgreements	1
CY2020Q4	us-gaap	Financial Instruments Owned And Pledged As Collateral Amount Eligible To Be Repledged By Counterparty FinancialInstrumentsOwnedAndPledgedAsCollateralAmountEligibleToBeRepledgedByCounterparty	166600000000	USD
CY2019Q4	us-gaap	Financial Instruments Owned And Pledged As Collateral Amount Eligible To Be Repledged By Counterparty FinancialInstrumentsOwnedAndPledgedAsCollateralAmountEligibleToBeRepledgedByCounterparty	125200000000	USD
CY2020Q4	us-gaap	Financial Instruments Owned And Pledged As Collateral Amount Not Eligible To Be Repledged By Counterparty FinancialInstrumentsOwnedAndPledgedAsCollateralAmountNotEligibleToBeRepledgedByCounterparty	113900000000	USD
CY2019Q4	us-gaap	Financial Instruments Owned And Pledged As Collateral Amount Not Eligible To Be Repledged By Counterparty FinancialInstrumentsOwnedAndPledgedAsCollateralAmountNotEligibleToBeRepledgedByCounterparty	80200000000	USD
CY2020Q4	us-gaap	Security Owned And Pledged As Collateral Fair Value SecurityOwnedAndPledgedAsCollateralFairValue	735800000000	USD
CY2019Q4	us-gaap	Security Owned And Pledged As Collateral Fair Value SecurityOwnedAndPledgedAsCollateralFairValue	684300000000	USD
CY2020Q4	us-gaap	Security Owned And Pledged As Collateral Fair Value SecurityOwnedAndPledgedAsCollateralFairValue	735800000000	USD
CY2019Q4	us-gaap	Security Owned And Pledged As Collateral Fair Value SecurityOwnedAndPledgedAsCollateralFairValue	684300000000	USD
CY2020Q4	us-gaap	Assets Assets	3386071000000	USD
CY2020Q4	us-gaap	Fair Value Of Securities Received As Collateral That Can Be Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatCanBeResoldOrRepledged	1451700000000	USD
CY2019Q4	us-gaap	Fair Value Of Securities Received As Collateral That Can Be Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatCanBeResoldOrRepledged	1282500000000	USD
CY2020Q4	us-gaap	Fair Value Of Securities Received As Collateral That Have Been Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatHaveBeenResoldOrRepledged	1038900000000	USD
CY2019Q4	us-gaap	Fair Value Of Securities Received As Collateral That Have Been Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatHaveBeenResoldOrRepledged	1000500000000	USD
CY2020	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	1100000000	USD
CY2019	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	239000000	USD
CY2018	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	72000000	USD
CY2020	us-gaap	Revenues Revenues	119543000000	USD
CY2020	jpm	Noninterest Expense And Provision For Loan Lease And Other Losses NoninterestExpenseAndProvisionForLoanLeaseAndOtherLosses	84136000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	35407000000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	29131000000	USD
CY2019	us-gaap	Revenues Revenues	115399000000	USD
CY2019	jpm	Noninterest Expense And Provision For Loan Lease And Other Losses NoninterestExpenseAndProvisionForLoanLeaseAndOtherLosses	70854000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	44545000000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	36431000000	USD
CY2019Q4	us-gaap	Assets Assets	2687379000000	USD
CY2018	us-gaap	Revenues Revenues	108783000000	USD
CY2018	jpm	Noninterest Expense And Provision For Loan Lease And Other Losses NoninterestExpenseAndProvisionForLoanLeaseAndOtherLosses	68019000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	40764000000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	32474000000	USD
CY2018Q4	us-gaap	Assets Assets	2622532000000	USD
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4	segment
CY2020	us-gaap	Noninterest Income NoninterestIncome	64980000000	USD
CY2019	us-gaap	Noninterest Income NoninterestIncome	58154000000	USD
CY2018	us-gaap	Noninterest Income NoninterestIncome	53724000000	USD
CY2020	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	54563000000	USD
CY2019	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	57245000000	USD
CY2018	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	55059000000	USD
CY2020	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	119543000000	USD
CY2019	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	115399000000	USD
CY2018	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	108783000000	USD
CY2020	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	17480000000	USD
CY2019	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	5585000000	USD
CY2018	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	4871000000	USD
CY2020	us-gaap	Noninterest Expense NoninterestExpense	66656000000	USD
CY2019	us-gaap	Noninterest Expense NoninterestExpense	65269000000	USD
CY2018	us-gaap	Noninterest Expense NoninterestExpense	63148000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	35407000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	44545000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	40764000000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6276000000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8114000000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8290000000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	29131000000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	36431000000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	32474000000	USD
CY2020	jpm	Segment Reporting Information Average Common Equity SegmentReportingInformationAverageCommonEquity	236865000000	USD
CY2019	jpm	Segment Reporting Information Average Common Equity SegmentReportingInformationAverageCommonEquity	232907000000	USD
CY2018	jpm	Segment Reporting Information Average Common Equity SegmentReportingInformationAverageCommonEquity	229222000000	USD
CY2020Q4	us-gaap	Assets Assets	3386071000000	USD
CY2019Q4	us-gaap	Assets Assets	2687379000000	USD
CY2018Q4	us-gaap	Assets Assets	2622532000000	USD
CY2020	jpm	Segment Reporting Information Return On Average Common Equity SegmentReportingInformationReturnOnAverageCommonEquity	0.12
CY2019	jpm	Segment Reporting Information Return On Average Common Equity SegmentReportingInformationReturnOnAverageCommonEquity	0.15
CY2018	jpm	Segment Reporting Information Return On Average Common Equity SegmentReportingInformationReturnOnAverageCommonEquity	0.13
CY2020	jpm	Segment Reporting Information Overhead Ratio SegmentReportingInformationOverheadRatio	0.56
CY2019	jpm	Segment Reporting Information Overhead Ratio SegmentReportingInformationOverheadRatio	0.57
CY2018	jpm	Segment Reporting Information Overhead Ratio SegmentReportingInformationOverheadRatio	0.58
CY2020	jpm	Income Taxes Paidon Behalfof Subsidiaries Reimbursements IncomeTaxesPaidonBehalfofSubsidiariesReimbursements	8300000000	USD
CY2019	jpm	Income Taxes Paidon Behalfof Subsidiaries Reimbursements IncomeTaxesPaidonBehalfofSubsidiariesReimbursements	6400000000	USD
CY2018	jpm	Income Taxes Paidon Behalfof Subsidiaries Reimbursements IncomeTaxesPaidonBehalfofSubsidiariesReimbursements	1200000000	USD

Files In Submission

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2019 Q4 Form 10-K Financial Statement

#000001961721000236 Filed on February 23, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$JPM JPMORGAN CHASE & CO Stock $jpm

2019 Q4 Form 10-K Financial Statement

#000001961721000236 Filed on February 23, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$JPM
JPMORGAN CHASE & CO Stock $jpm