Parent Company - Statements of Income and Comprehensive Income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income
Other income/(expense)	$ 61,985	$ 69,338	$ 65,388
Total income	128,695	121,649	119,951
Expense
Other interest expense/(income)	(66,710)	(52,311)	(54,563)
Noninterest expense	6,365	5,469	5,941
Income tax benefit	(8,490)	(11,228)	(6,684)
Net income/(loss)	37,676	48,334	29,131
Other comprehensive income/(loss), net	(17,257)	(8,070)	6,417
Comprehensive income	20,419	40,264	35,548
JPMorgan Chase & Co.
Income
Interest income from subsidiaries	498	32	63
Other income/(expense)	5,271	1,137	205
Total income	43,107	12,394	7,718
Expense
Interest expense/(income) to subsidiaries and affiliates	22,731	5,353	(8,830)
Other interest expense/(income)	(14,658)	(1,349)	14,150
Noninterest expense	2,817	2,637	2,222
Total expense	10,890	6,641	7,542
Income before income tax benefit and undistributed net income of subsidiaries	32,217	5,753	176
Income tax benefit	1,260	1,329	1,324
Equity in undistributed net income of subsidiaries	4,199	41,252	27,631
Net income/(loss)	37,676	48,334	29,131
Other comprehensive income/(loss), net	(17,257)	(8,070)	6,417
Comprehensive income	20,419	40,264	35,548
Bank and bank holding company | JPMorgan Chase & Co.
Income
Dividends from subsidiaries and affiliates	40,500	10,000	6,000
Other income/(expense) from subsidiaries	(3,497)	859	2,019
Non-bank | JPMorgan Chase & Co.
Income
Dividends from subsidiaries and affiliates	0	0	0
Other income/(expense) from subsidiaries	$ 335	$ 366	$ (569)