Business Segments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023		Dec. 31, 2022		Dec. 31, 2021
Segment Reporting Information [Line Items]
Noninterest revenue	$ 68,837		$ 61,985		$ 69,338
Net interest income	89,267		66,710		52,311
Total net revenue	158,104		128,695		121,649
Provision for credit losses	9,320		6,389		(9,256)
Noninterest expense	87,172		76,140		71,343
Income/(loss) before income tax expense/(benefit)	61,612		46,166		59,562
Income tax expense/(benefit)	12,060		8,490		11,228
Net income/(loss)	49,552		37,676		48,334
Average equity	282,056		253,068		250,968
Total assets	$ 3,875,393	[1]	$ 3,665,743	[1]	$ 3,743,567
Return on equity	17.00%		14.00%		19.00%
Overhead ratio	55.00%		59.00%		59.00%
Operating Segments | Consumer & Community Banking
Segment Reporting Information [Line Items]
Noninterest revenue	$ 15,118		$ 14,886		$ 17,092
Net interest income	55,030		39,928		32,787
Total net revenue	70,148		54,814		49,879
Provision for credit losses	6,899		3,813		(6,989)
Noninterest expense	34,819		31,208		29,028
Income/(loss) before income tax expense/(benefit)	28,430		19,793		27,840
Income tax expense/(benefit)	7,198		4,877		6,883
Net income/(loss)	21,232		14,916		20,957
Average equity	54,349		50,000		50,000
Total assets	$ 642,951		$ 514,085		$ 500,370
Return on equity	38.00%		29.00%		41.00%
Overhead ratio	50.00%		57.00%		58.00%
Operating Segments | Corporate & Investment Bank
Segment Reporting Information [Line Items]
Noninterest revenue	$ 40,315		$ 36,202		$ 38,403
Net interest income	8,492		11,900		13,540
Total net revenue	48,807		48,102		51,943
Provision for credit losses	121		1,158		(1,174)
Noninterest expense	28,594		27,350		25,553
Income/(loss) before income tax expense/(benefit)	20,092		19,594		27,564
Income tax expense/(benefit)	5,963		4,669		6,457
Net income/(loss)	14,129		14,925		21,107
Average equity	108,000		103,000		83,000
Total assets	$ 1,338,168		$ 1,334,296		$ 1,259,896
Return on equity	13.00%		14.00%		25.00%
Overhead ratio	59.00%		57.00%		49.00%
Operating Segments | Commercial Banking
Segment Reporting Information [Line Items]
Noninterest revenue	$ 3,494		$ 3,336		$ 3,929
Net interest income	12,052		8,197		6,079
Total net revenue	15,546		11,533		10,008
Provision for credit losses	1,970		1,268		(947)
Noninterest expense	5,378		4,719		4,041
Income/(loss) before income tax expense/(benefit)	8,198		5,546		6,914
Income tax expense/(benefit)	2,055		1,333		1,668
Net income/(loss)	6,143		4,213		5,246
Average equity	29,507		25,000		24,000
Total assets	$ 300,325		$ 257,106		$ 230,776
Return on equity	20.00%		16.00%		21.00%
Overhead ratio	35.00%		41.00%		40.00%
Operating Segments | Asset & Wealth Management
Segment Reporting Information [Line Items]
Noninterest revenue	$ 13,560		$ 12,507		$ 13,071
Net interest income	6,267		5,241		3,886
Total net revenue	19,827		17,748		16,957
Provision for credit losses	159		128		(227)
Noninterest expense	12,780		11,829		10,919
Income/(loss) before income tax expense/(benefit)	6,888		5,791		6,265
Income tax expense/(benefit)	1,661		1,426		1,528
Net income/(loss)	5,227		4,365		4,737
Average equity	16,671		17,000		14,000
Total assets	$ 245,512		$ 232,037		$ 234,425
Return on equity	31.00%		25.00%		33.00%
Overhead ratio	64.00%		67.00%		64.00%
Corporate
Segment Reporting Information [Line Items]
Noninterest revenue	$ 132		$ (1,798)		$ 68
Net interest income	7,906		1,878		(3,551)
Total net revenue	8,038		80		(3,483)
Provision for credit losses	171		22		81
Noninterest expense	5,601		1,034		1,802
Income/(loss) before income tax expense/(benefit)	2,266		(976)		(5,366)
Income tax expense/(benefit)	(555)		(233)		(1,653)
Net income/(loss)	2,821		(743)		(3,713)
Average equity	73,529		58,068		79,968
Total assets	1,348,437		1,328,219		1,518,100
Reconciling Items
Segment Reporting Information [Line Items]
Noninterest revenue	(3,782)		(3,148)		(3,225)
Net interest income	(480)		(434)		(430)
Total net revenue	(4,262)		(3,582)		(3,655)
Provision for credit losses	0		0		0
Noninterest expense	0		0		0
Income/(loss) before income tax expense/(benefit)	(4,262)		(3,582)		(3,655)
Income tax expense/(benefit)	(4,262)		(3,582)		(3,655)
Net income/(loss)	0		0		0
Average equity	$ 0		$ 0		$ 0

[1] The following table presents information on assets and liabilities related to VIEs that are consolidated by the Firm at December 31, 2023 and 2022. 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 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 14 for a further discussion. December 31, (in millions)20232022AssetsTrading assets$2,170 $2,151 Loans37,611 34,411 All other assets591 550 Total assets$40,372 $37,112 LiabilitiesBeneficial interests issued by consolidated VIEs$23,020 $12,610 All other liabilities263 279 Total liabilities$23,283 $12,889