Variable Interest Entities - Consolidated VIE Assets and Liabilities (Details) - USD ($) $ in Millions		Sep. 30, 2025		Dec. 31, 2024		Sep. 30, 2024
Information on assets and liabilities related to VIEs that are consolidated by the Firm [Abstract]
Trading assets		$ 952,777		$ 637,784
Loans		1,409,511		1,323,643
Other		194,972		178,197
Total assets		4,560,205	[1]	4,002,814	[1]	$ 4,210,048
Beneficial interests in VIE assets		28,227		27,323
Total liabilities	[1]	4,199,993		3,658,056
VIEs consolidated by the Firm
Information on assets and liabilities related to VIEs that are consolidated by the Firm [Abstract]
Trading assets		4,200		3,885
Loans		38,026		36,510
Other		663		681
Total assets		42,889		41,076
Beneficial interests in VIE assets		28,227		27,323
Other		610		454
Total liabilities		28,837		27,777
Beneficial interests in VIE assets, long term		6,000		5,500
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		12,289		13,531
Other		168		168
Total assets		12,457		13,699
Beneficial interests in VIE assets		5,886		5,312
Other		12		10
Total liabilities		5,898		5,322
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		1		1
Loans		20,675		20,383
Other		124		133
Total assets		20,800		20,517
Beneficial interests in VIE assets		18,729		18,228
Other		27		26
Total liabilities		18,756		18,254
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		3,136		3,388
Loans		0		0
Other		36		22
Total assets		3,172		3,410
Beneficial interests in VIE assets		3,469		3,617
Other		20		15
Total liabilities		3,489		3,632
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		2		0
Loans		586		630
Other		7		8
Total assets		595		638
Beneficial interests in VIE assets		107		115
Other		42		48
Total liabilities		149		163
VIEs consolidated by the Firm | Other
Information on assets and liabilities related to VIEs that are consolidated by the Firm [Abstract]
Trading assets		1,061		496
Loans		4,476		1,966
Other		328		350
Total assets		5,865		2,812
Beneficial interests in VIE assets		36		51
Other		509		355
Total liabilities		$ 545		$ 406

[1] The following table presents information on assets and liabilities related to VIEs that are consolidated by the Firm at September 30, 2025 and December 31, 2024. 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 JPMorganChase. 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, 2025December 31, 2024AssetsTrading assets$4,200 $3,885 Loans38,026 36,510 All other assets663 681 Total assets$42,889 $41,076 LiabilitiesBeneficial interests issued by consolidated VIEs$28,227 $27,323 All other liabilities610 454 Total liabilities$28,837 $27,777