Business Segments (Details) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2024 USD ($) segment		Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($)		Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)	[1]
Segment Reporting Information [Line Items]
Number of reportable segments | segment	3
Noninterest revenue	$ 27,454		$ 19,528	$ 46,306		$ 37,166
Net interest income	22,746		21,779	45,828		42,490
Total net revenue	50,200		41,307	92,134		79,656
Provision for credit losses	3,052		2,899	4,936		5,174
Noninterest expense	23,713		20,822	46,470		40,929
Income/(loss) before income tax expense/(benefit)	23,435		17,586	40,728		33,553
Income tax expense/(benefit)	5,286		3,114	9,160		6,459
Net income/(loss)	18,149		14,472	31,568		27,094
Average equity	308,763		277,885	304,519		274,560
Total assets	$ 4,143,003	[1]	$ 3,868,240	$ 4,143,003	[1]	$ 3,868,240	$ 3,875,393
ROE	23.00%		20.00%	20.00%		19.00%
Overhead ratio	47.00%		50.00%	50.00%		51.00%
Contribution of Visa shares	$ 1,000		$ 0	$ 1,000		$ 0
VISA | Class C Common Shares
Segment Reporting Information [Line Items]
Net gain related to Visa shares	7,900			7,900
Operating Segments | Consumer & Community Banking
Segment Reporting Information [Line Items]
Noninterest revenue	3,996		3,543	7,941		7,166
Net interest income	13,705		13,690	27,413		26,523
Total net revenue	17,701		17,233	35,354		33,689
Provision for credit losses	2,643		1,862	4,556		3,264
Noninterest expense	9,425		8,313	18,722		16,378
Income/(loss) before income tax expense/(benefit)	5,633		7,058	12,076		14,047
Income tax expense/(benefit)	1,423		1,752	3,035		3,498
Net income/(loss)	4,210		5,306	9,041		10,549
Average equity	54,500		54,346	54,500		53,180
Total assets	$ 638,493		$ 620,193	$ 638,493		$ 620,193
ROE	30.00%		38.00%	33.00%		39.00%
Overhead ratio	53.00%		48.00%	53.00%		49.00%
Operating Segments | Commercial & Investment Bank
Segment Reporting Information [Line Items]
Noninterest revenue	$ 12,744		$ 11,637	$ 24,905		$ 23,941
Net interest income	5,173		4,870	10,596		9,677
Total net revenue	17,917		16,507	35,501		33,618
Provision for credit losses	384		1,135	385		1,610
Noninterest expense	9,166		8,194	17,890		16,985
Income/(loss) before income tax expense/(benefit)	8,367		7,178	17,226		15,023
Income tax expense/(benefit)	2,470		1,878	4,707		3,955
Net income/(loss)	5,897		5,300	12,519		11,068
Average equity	132,000		137,505	132,000		137,005
Total assets	$ 1,939,038		$ 1,737,334	$ 1,939,038		$ 1,737,334
ROE	17.00%		15.00%	18.00%		16.00%
Overhead ratio	51.00%		50.00%	50.00%		51.00%
Operating Segments | Asset & Wealth Management
Segment Reporting Information [Line Items]
Noninterest revenue	$ 3,633		$ 3,358	$ 7,147		$ 6,691
Net interest income	1,619		1,585	3,214		3,036
Total net revenue	5,252		4,943	10,361		9,727
Provision for credit losses	20		145	(37)		173
Noninterest expense	3,543		3,163	7,003		6,254
Income/(loss) before income tax expense/(benefit)	1,689		1,635	3,395		3,300
Income tax expense/(benefit)	426		409	842		707
Net income/(loss)	1,263		1,226	2,553		2,593
Average equity	15,500		16,670	15,500		16,337
Total assets	$ 247,353		$ 247,118	$ 247,353		$ 247,118
ROE	32.00%		29.00%	32.00%		31.00%
Overhead ratio	67.00%		64.00%	68.00%		64.00%
Corporate
Segment Reporting Information [Line Items]
Noninterest revenue	$ 7,758		$ 1,980	$ 7,483		$ 1,225
Net interest income	2,364		1,738	4,841		3,478
Total net revenue	10,122		3,718	12,324		4,703
Provision for credit losses	5		(243)	32		127
Noninterest expense	1,579		1,152	2,855		1,312
Income/(loss) before income tax expense/(benefit)	8,538		2,809	9,437		3,264
Income tax expense/(benefit)	1,759		169	1,982		380
Net income/(loss)	6,779		2,640	7,455		2,884
Average equity	106,763		69,364	102,519		68,038
Total assets	1,318,119		1,263,595	1,318,119		1,263,595
Reconciling Items
Segment Reporting Information [Line Items]
Noninterest revenue	(677)		(990)	(1,170)		(1,857)
Net interest income	(115)		(104)	(236)		(224)
Total net revenue	(792)		(1,094)	(1,406)		(2,081)
Provision for credit losses	0		0	0		0
Noninterest expense	0		0	0		0
Income/(loss) before income tax expense/(benefit)	(792)		(1,094)	(1,406)		(2,081)
Income tax expense/(benefit)	(792)		(1,094)	(1,406)		(2,081)
Net income/(loss)	0		0	0		0
Average equity	$ 0		$ 0	$ 0		$ 0

[1] The following table presents information on assets and liabilities related to VIEs that are consolidated by the Firm at June 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)June 30, 2024December 31, 2023AssetsTrading assets$2,366 $2,170 Loans37,367 37,611 All other assets641 591 Total assets$40,374 $40,372 LiabilitiesBeneficial interests issued by consolidated VIEs$27,104 $23,020 All other liabilities335 263 Total liabilities$27,439 $23,283