Parent Company - Statements of Income and Comprehensive Income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income
Other income/(expense)	$ 68,837	$ 61,985	$ 69,338
Total income	158,104	128,695	121,649
Expense
Other interest expense/(income)	(89,267)	(66,710)	(52,311)
Noninterest expense	12,045	6,365	5,469
Income tax benefit	(12,060)	(8,490)	(11,228)
Net income/(loss)	49,552	37,676	48,334
Other comprehensive income/(loss), net	6,898	(17,257)	(8,070)
Comprehensive income	56,450	20,419	40,264
JPMorgan Chase & Co.
Income
Interest income from subsidiaries	1,166	498	32
Other income/(expense)	(654)	5,271	1,137
Total income	63,563	43,107	12,394
Expense
Interest expense/(income) to subsidiaries and affiliates	2,258	22,731	5,353
Other interest expense/(income)	11,714	(14,658)	(1,349)
Noninterest expense	3,431	2,817	2,637
Total expense	17,403	10,890	6,641
Income before income tax benefit and undistributed net income of subsidiaries	46,160	32,217	5,753
Income tax benefit	1,525	1,260	1,329
Equity in undistributed net income of subsidiaries	1,867	4,199	41,252
Net income/(loss)	49,552	37,676	48,334
Other comprehensive income/(loss), net	6,898	(17,257)	(8,070)
Comprehensive income	56,450	20,419	40,264
Bank and bank holding company | JPMorgan Chase & Co.
Income
Dividends from subsidiaries and affiliates	61,000	40,500	10,000
Other income/(expense) from subsidiaries	1,801	(3,497)	859
Non-bank | JPMorgan Chase & Co.
Income
Dividends from subsidiaries and affiliates	0	0	0
Other income/(expense) from subsidiaries	$ 250	$ 335	$ 366