1.0.0.3falseConsolidated balance sheets (Parenthetical) (USD $)In Millions, except Share datafalse1$falsefalseSharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170false2$falsefalseSharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso4217031us-gaap_AssetsAbstractus-gaaptruenadurationstringNo definition available.falsefalsefalsefalsefalsetruefalsefalsefalse1falsefalse00falsefalse2falsefalse00falsefalseNo definition available.false42jpm_FederalFundsSoldAndSecuritiesPurchasedUnderResaleAgreementsAtFairValuejpmfalsedebitinstantmonetaryRepresents the portion of the amount shown on the balance sheet of federal funds sold and securities borrowed or purchased...falsefalsefalsefalsefalsefalsefalsefalsefalse1truetrue2053600000020536falsefalse2truetrue2084300000020843falsefalseRepresents the portion of the amount shown on the balance sheet of federal funds sold and securities borrowed or purchased under agreements to resell valued at fair value.No authoritative reference available.false52jpm_SecuritiesBorrowedAtFairValuejpmfalsedebitinstantmonetaryRepresents the portion of the amount shown on the balance sheet of securities borrowed, valued at fair value.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue70320000007032falsefalse2falsetrue33810000003381falsefalseRepresents the portion of the amount shown on the balance sheet of securities borrowed, valued at fair value.No authoritative reference available.false62us-gaap_TradingSecuritiesPledgedAsCollateralus-gaaptruedebitinstantmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue3831500000038315falsefalse2falsetrue7506300000075063falsefalseNo definition available.No authoritative reference available.false72jpm_SecuritiesAtFairValuejpmfalsedebitinstantmonetaryRepresents the portion of the amount shown on the balance sheet of investments in debt securities that are categorized as...falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue360365000000360365falsefalse2falsetrue205909000000205909falsefalseRepresents the portion of the amount shown on the balance sheet of investments in debt securities that are categorized as available-for-sale, valued at fair value.No authoritative reference available.false82jpm_SecuritiesPledgedAsCollateraljpmfalsedebitinstantmonetaryAmount of available-for-sale securities and held-to-maturity securities that serve as collateral for borrowings.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue100931000000100931falsefalse2falsetrue2594200000025942falsefalseAmount of available-for-sale securities and held-to-maturity securities that serve as collateral for borrowings.No authoritative reference available.false92jpm_LoansAtFairValuejpmfalsedebitinstantmonetaryRepresents the portion of the amount shown on the balance sheet of all categories of loans and leases held in portfolio (may...falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue13640000001364falsefalse2falsetrue76960000007696falsefalseRepresents the portion of the amount shown on the balance sheet of all categories of loans and leases held in portfolio (may include mortgage loans held-for-sale, finance receivables held-for-sale, or any other loans classified as held-for-sale which are due the Company as of the balance sheet date), valued at fair value.No authoritative reference available.false102jpm_AccruedInterestAndAccountsReceivablesAtFairValuejpmfalsedebitinstantmonetaryAccrued interest and accounts receivables, at fair value.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue50120000005012falsefalse2falsetrue30990000003099falsefalseAccrued interest and accounts receivables, at fair value.No authoritative reference available.false112jpm_OtherAssetsAtFairValuejpmfalsedebitinstantmonetaryRepresents the portion of the amount shown on the balance sheet of assets categorized as other which are not in and of...falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue1916500000019165falsefalse2falsetrue2919900000029199falsefalseRepresents the portion of the amount shown on the balance sheet of assets categorized as other which are not in and of themselves material enough to require separate disclosure, valued at fair value.No authoritative reference available.false121us-gaap_LiabilitiesAbstractus-gaaptruenadurationstringNo definition available.falsefalsefalsefalsefalsetruefalsefalsefalse1falsefalse00falsefalse2falsefalse00falsefalseNo definition available.false132jpm_DepositsAtFairValuejpmfalsecreditinstantmonetaryRepresents the portion of the amount shown on the balance sheet of deposits, valued at fair value.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue44550000004455falsefalse2falsetrue56050000005605falsefalseRepresents the portion of the amount shown on the balance sheet of deposits, valued at fair value.No authoritative reference available.false142jpm_FederalFundsPurchasedAndSecuritiesLoanedOrSoldUnderRepurchaseAgreementsAtFairValuejpmfalsecreditinstantmonetaryRepresents the portion of the amount shown on the balance sheet of federal funds purchased and securities loaned or sold...falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue33960000003396falsefalse2falsetrue29930000002993falsefalseRepresents the portion of the amount shown on the balance sheet of federal funds purchased and securities loaned or sold under repurchase agreements, valued at fair value.No authoritative reference available.false152jpm_OtherBorrowedFundsAtFairValuejpmfalsecreditinstantmonetaryRepresents the portion of the amount shown on the balance sheet of other borrowed funds, valued at fair value.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue56370000005637falsefalse2falsetrue1471300000014713falsefalseRepresents the portion of the amount shown on the balance sheet of other borrowed funds, valued at fair value.No authoritative reference available.false162jpm_AllowanceForLendingRelatedCommitmentsjpmfalsecreditinstantmonetaryThe allowance for lending-related commitments represents the reserve to cover probable credit losses, inherent in the Firm's...falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue939000000939falsefalse2falsetrue659000000659falsefalseThe allowance for lending-related commitments represents the reserve to cover probable credit losses, inherent in the Firm's process of extending credit, related to specifically identified commitments as of the balance sheet date.No authoritative reference available.false172jpm_AccountsPayableAndOtherLiabilitiesAtFairValuejpmfalsedebitinstantmonetaryRepresents the portion of the amount shown on the balance sheet of trade and related party payables as well as marks on...falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue357000000357falsefalse2falsetrue00falsefalseRepresents the portion of the amount shown on the balance sheet of trade and related party payables as well as marks on unfunded commitments, valued at fair value.No authoritative reference available.false182jpm_BeneficialInterestsIssuedByConsolidatedVariableInterestEntitiesAtFairValuejpmfalsecreditinstantmonetaryRepresents the portion of the amount shown on the balance sheet of beneficial interests issued by consolidated variable...falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue14100000001410falsefalse2falsetrue17350000001735falsefalseRepresents the portion of the amount shown on the balance sheet of beneficial interests issued by consolidated variable interest entities, valued at fair value.No authoritative reference available.false192jpm_LongTermDebtAtFairValuejpmfalsecreditinstantmonetaryRepresents the portion of the amount shown on the balance sheet of long-term debt, valued at fair value.falsefalsefalsefalsefalsefalsefalsefalsefalse1truetrue4897200000048972falsefalse2truetrue5821400000058214falsefalseRepresents the portion of the amount shown on the balance sheet of long-term debt, valued at fair value.No authoritative reference available.false201us-gaap_StockholdersEquityAbstractus-gaaptruenadurationstringNo definition available.falsefalsefalsefalsefalsetruefalsefalsefalse1falsefalse00falsefalse2falsefalse00falsefalseNo definition available.false212us-gaap_PreferredStockParOrStatedValuePerShareus-gaaptruenainstantdecimalNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue11falsefalse2falsetrue11falsefalseNo definition available.No authoritative reference available.false222us-gaap_PreferredStockSharesAuthorizedus-gaaptruenainstantsharesNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue200000000200000000.00falsefalse2falsetrue200000000200000000.00falsefalseNo definition available.No authoritative reference available.false232jpm_PreferredStockShareIssuedjpmfalsenainstantintegerTotal number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to...falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue25381072538107falsefalse2falsetrue50381075038107falsefalseTotal number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.No authoritative reference available.false242us-gaap_CommonStockParOrStatedValuePerShareus-gaaptruenainstantdecimalNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue11falsefalse2falsetrue11falsefalseNo definition available.No authoritative reference available.false252us-gaap_CommonStockSharesAuthorizedus-gaaptruenainstantsharesNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue90000000009000000000.00falsefalse2falsetrue90000000009000000000.00falsefalseNo definition available.No authoritative reference available.false262us-gaap_CommonStockSharesIssuedus-gaaptruenainstantsharesNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue41049338954104933895.00falsefalse2falsetrue39416338953941633895.00falsefalseNo definition available.No authoritative reference available.false272jpm_CommonStockHeldInRestrictedStockUnitTrustSharesjpmfalsenainstantsharesNumber of common stock shares held in an irrevocable grantor trust (the "RSU Trust") to be used for settlement of stock...falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue15269441526944.00falsefalse2falsetrue47947234794723.00falsefalseNumber of common stock shares held in an irrevocable grantor trust (the "RSU Trust") to be used for settlement of stock awards granted to selected employees and certain key executives under a restricted stock unit plan.No authoritative reference available.false282us-gaap_TreasuryStockSharesus-gaaptruenainstantsharesNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue162974783162974783.00falsefalse2falsetrue208833260208833260.00falsefalseNo definition available.No authoritative reference available.falsefalse226falseMillionsNoRoundingUnKnownfalsetrue