Business Segments & Corporate (Details) $ in Millions	3 Months Ended					9 Months Ended
	Sep. 30, 2025 USD ($)		Jun. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Jun. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) segment		Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)	[1]
Segment Reporting Information [Line Items]
Number of reportable segments | segment						3
Noninterest revenue	$ 22,461			$ 19,249		$ 66,201		$ 65,555
Net interest income	23,966			23,405		70,448		69,233
Total net revenue	46,427			42,654		136,649		134,788
Provision for credit losses	3,403			3,111		9,557		8,047
Compensation expense	13,566			12,817		41,369		38,888
Total noninterest expense	24,281			22,565		71,657		69,035
Income/(loss) before income tax expense/(benefit)	18,743			16,978		55,435		57,706
Income tax expense	4,350			4,080		11,412		13,240
Net income	14,393			12,898		44,023		44,466
Average equity	336,335			321,894		330,203		310,353
Total assets	$ 4,560,205	[1]		$ 4,210,048		$ 4,560,205	[1]	$ 4,210,048	$ 4,002,814
ROE	17.00%			16.00%		17.00%		19.00%
Overhead ratio	52.00%			53.00%		52.00%		51.00%
Tax benefit driven by tax audits and tax regulations			$ 774
Contribution of Visa shares	$ 0			$ 0	$ 1,000	$ 0		$ 1,000
VISA | Class C Common Shares
Segment Reporting Information [Line Items]
Net gain related to Visa shares					$ 7,900
Operating Segments | Consumer & Community Banking
Segment Reporting Information [Line Items]
Noninterest revenue	4,617			4,214		13,240		12,155
Net interest income	14,856			13,577		43,393		40,990
Total net revenue	19,473			17,791		56,633		53,145
Provision for credit losses	2,538			2,795		7,249		7,351
Compensation expense	4,424			4,275		13,208		12,744
Noncompensation expense	5,872			5,311		16,803		15,564
Total noninterest expense	10,296			9,586		30,011		28,308
Income/(loss) before income tax expense/(benefit)	6,639			5,410		19,373		17,486
Income tax expense	1,630			1,364		4,770		4,399
Net income	5,009			4,046		14,603		13,087
Average equity	56,000			54,500		56,000		54,500
Total assets	$ 652,275			$ 633,038		$ 652,275		$ 633,038
ROE	35.00%			29.00%		34.00%		31.00%
Overhead ratio	53.00%			54.00%		53.00%		53.00%
Operating Segments | Commercial & Investment Bank
Segment Reporting Information [Line Items]
Noninterest revenue	$ 13,798			$ 11,622		$ 41,412		$ 36,527
Net interest income	6,080			5,393		17,667		15,989
Total net revenue	19,878			17,015		59,079		52,516
Provision for credit losses	809			316		2,210		701
Compensation expense	4,862			4,510		15,206		14,158
Noncompensation expense	4,860			4,241		13,999		12,483
Total noninterest expense	9,722			8,751		29,205		26,641
Income/(loss) before income tax expense/(benefit)	9,347			7,948		27,664		25,174
Income tax expense	2,446			2,257		7,171		6,964
Net income	6,901			5,691		20,493		18,210
Average equity	149,500			132,000		149,500		132,000
Total assets	$ 2,328,000			$ 2,047,022		$ 2,328,000		$ 2,047,022
ROE	18.00%			17.00%		18.00%		18.00%
Overhead ratio	49.00%			51.00%		49.00%		51.00%
Operating Segments | Asset & Wealth Management
Segment Reporting Information [Line Items]
Noninterest revenue	$ 4,337			$ 3,799		$ 12,403		$ 10,946
Net interest income	1,729			1,640		5,154		4,854
Total net revenue	6,066			5,439		17,557		15,800
Provision for credit losses	59			4		95		(33)
Compensation expense	2,155			1,994		6,363		5,926
Noncompensation expense	1,663			1,645		4,901		4,716
Total noninterest expense	3,818			3,639		11,264		10,642
Income/(loss) before income tax expense/(benefit)	2,189			1,796		6,198		5,191
Income tax expense	531			445		1,484		1,287
Net income	1,658			1,351		4,714		3,904
Average equity	16,000			15,500		16,000		15,500
Total assets	$ 282,322			$ 253,750		$ 282,322		$ 253,750
ROE	40.00%			34.00%		39.00%		33.00%
Overhead ratio	63.00%			67.00%		64.00%		67.00%
Corporate
Segment Reporting Information [Line Items]
Noninterest revenue	$ 297			$ 155		$ 999		$ 7,638
Net interest income	1,406			2,915		4,546		7,756
Total net revenue	1,703			3,070		5,545		15,394
Provision for credit losses	(3)			(4)		3		28
Total noninterest expense	445			589		1,177		3,444
Income/(loss) before income tax expense/(benefit)	1,261			2,485		4,365		11,922
Income tax expense	436			675		152		2,657
Net income	825			1,810		4,213		9,265
Average equity	114,835			119,894		108,703		108,353
Total assets	1,297,608			1,276,238		1,297,608		1,276,238
Reconciling Items
Segment Reporting Information [Line Items]
Noninterest revenue	(588)			(541)		(1,853)		(1,711)
Net interest income	(105)			(120)		(312)		(356)
Total net revenue	(693)			(661)		(2,165)		(2,067)
Provision for credit losses	0			0		0		0
Total noninterest expense	0			0		0		0
Income/(loss) before income tax expense/(benefit)	(693)			(661)		(2,165)		(2,067)
Income tax expense	(693)			(661)		(2,165)		(2,067)
Net income	$ 0			$ 0		$ 0		$ 0

[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