Variable Interest Entities - Consolidated VIE Assets and Liabilities (Details) - USD ($) $ in Millions		Sep. 30, 2024		Dec. 31, 2023		Sep. 30, 2023
Information on assets and liabilities related to VIEs that are consolidated by the Firm [Abstract]
Trading assets		$ 787,489		$ 540,607
Loans		1,316,062		1,301,286
Other		175,935		159,308
Total assets		4,210,048	[1]	3,875,393	[1]	$ 3,898,333
Beneficial interests in VIE assets		25,694		23,020
Total liabilities	[1]	3,864,212		3,547,515
VIEs consolidated by the Firm
Information on assets and liabilities related to VIEs that are consolidated by the Firm [Abstract]
Trading assets		3,443		2,170
Loans		35,028		37,611
Other		647		591
Total assets		39,118		40,372
Beneficial interests in VIE assets		25,694		23,020
Other		421		263
Total liabilities		26,115		23,283
Beneficial interests in VIE assets, long term		5,500		3,100
VIEs consolidated by the Firm | Firm-sponsored credit card trusts
Information on assets and liabilities related to VIEs that are consolidated by the Firm [Abstract]
Trading assets		0		0
Loans		12,868		9,460
Other		165		117
Total assets		13,033		9,577
Beneficial interests in VIE assets		5,361		2,998
Other		10		6
Total liabilities		5,371		3,004
VIEs consolidated by the Firm | Firm-administered multi-seller conduits
Information on assets and liabilities related to VIEs that are consolidated by the Firm [Abstract]
Trading assets		3		1
Loans		19,683		27,372
Other		144		194
Total assets		19,830		27,567
Beneficial interests in VIE assets		17,173		17,781
Other		30		30
Total liabilities		17,203		17,811
VIEs consolidated by the Firm | Municipal bond vehicles
Information on assets and liabilities related to VIEs that are consolidated by the Firm [Abstract]
Trading assets		2,935		2,056
Loans		0		0
Other		24		22
Total assets		2,959		2,078
Beneficial interests in VIE assets		3,012		2,116
Other		16		11
Total liabilities		3,028		2,127
VIEs consolidated by the Firm | Mortgage securitization entities
Information on assets and liabilities related to VIEs that are consolidated by the Firm [Abstract]
Trading assets		0		0
Loans		646		693
Other		6		8
Total assets		652		701
Beneficial interests in VIE assets		117		125
Other		50		57
Total liabilities		167		182
VIEs consolidated by the Firm | Other
Information on assets and liabilities related to VIEs that are consolidated by the Firm [Abstract]
Trading assets		505		113
Loans		1,831		86
Other		308		250
Total assets		2,644		449
Beneficial interests in VIE assets		31		0
Other		315		159
Total liabilities		$ 346		$ 159

[1] The following table presents information on assets and liabilities related to VIEs that are consolidated by the Firm at September 30, 2024 and December 31, 2023. The assets of the consolidated VIEs are used to settle the liabilities of those entities. The holders of the beneficial interests generally do not have recourse to the general credit of JPMorgan Chase. The assets and liabilities in the table below include third-party assets and liabilities of consolidated VIEs and exclude intercompany balances that eliminate in consolidation. Refer to Note 13 for a further discussion. (in millions)September 30, 2024December 31, 2023AssetsTrading assets$3,443 $2,170 Loans35,028 37,611 All other assets647 591 Total assets$39,118 $40,372 LiabilitiesBeneficial interests issued by consolidated VIEs$25,694 $23,020 All other liabilities421 263 Total liabilities$26,115 $23,283