International Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024		Dec. 31, 2023		Dec. 31, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 177,556		$ 158,104		$ 128,695
Expense	102,475		96,492		82,529
Income/(loss) before income tax expense/(benefit)	75,081		61,612		46,166
Net income	58,471		49,552		37,676
Total assets	4,002,814	[1]	3,875,393	[1]	3,665,743
Total international
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	38,233		34,873		31,968
Expense	21,660		20,468		20,214
Income/(loss) before income tax expense/(benefit)	16,573		14,405		11,754
Net income	11,840		10,105		8,433
Total assets	922,468		863,926		918,582
Europe/Middle East/Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	22,353		20,974		18,765
Expense	12,843		11,947		11,754
Income/(loss) before income tax expense/(benefit)	9,510		9,027		7,011
Net income	6,713		6,402		5,158
Total assets	552,407		529,335		558,430
U.K.
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	369,000		352,000		357,000
Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	11,995		10,605		10,025
Expense	6,922		6,550		6,763
Income/(loss) before income tax expense/(benefit)	5,073		4,055		3,262
Net income	3,615		2,709		2,119
Total assets	296,430		251,588		281,479
Latin America/Caribbean
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	3,885		3,294		3,178
Expense	1,895		1,971		1,697
Income/(loss) before income tax expense/(benefit)	1,990		1,323		1,481
Net income	1,512		994		1,156
Total assets	73,631		83,003		78,673
North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	139,323		123,231		96,727
Expense	80,815		76,024		62,315
Income/(loss) before income tax expense/(benefit)	58,508		47,207		34,412
Net income	46,631		39,447		29,243
Total assets	$ 3,080,346		$ 3,011,467		$ 2,747,161

[1] The following table presents information on assets and liabilities related to VIEs that are consolidated by the Firm at December 31, 2024 and 2023. The assets of the consolidated VIEs are used to settle the liabilities of those entities. The holders of the beneficial interests 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 14 for a further discussion. December 31, (in millions)20242023AssetsTrading assets$3,885 $2,170 Loans36,510 37,611 All other assets681 591 Total assets$41,076 $40,372 LiabilitiesBeneficial interests issued by consolidated VIEs$27,323 $23,020 All other liabilities454 263 Total liabilities$27,777 $23,283