Parent Company - Statements of Income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income
Other income	$ 49,585	$ 50,033	$ 51,478
Total income	95,668	93,543	95,112
Expense
Other interest expense	9,818	7,463	7,897
Noninterest expense	5,756	9,593	11,146
Income tax benefit	(9,803)	(6,260)	(8,954)
Net income	24,733	24,442	21,745
Comprehensive income	23,212	22,445	22,735
JPMorgan Chase & Co.
Income
Interest income from subsidiaries	794	443	378
Other interest income	207	234	284
Other income	(846)	1,773	508
Total income	16,045	21,311	16,717
Expense
Interest expense to subsidiaries and affiliates	105	98	169
Other interest expense	4,413	3,720	3,645
Noninterest expense	1,643	2,611	827
Total expense	6,161	6,429	4,641
Income before income tax benefit and undistributed net income of subsidiaries	9,884	14,882	12,076
Income tax benefit	876	1,640	1,430
Equity in undistributed net income of subsidiaries	13,973	7,920	8,239
Net income	24,733	24,442	21,745
Other comprehensive income, net	(1,521)	(1,997)	990
Comprehensive income	23,212	22,445	22,735
Bank and bank holding company | JPMorgan Chase & Co.
Income
Dividends from subsidiaries and affiliates	10,000	10,653	0
Other income from subsidiaries, primarily fees	852	1,438	779
Nonbank | JPMorgan Chase & Co.
Income
Dividends from subsidiaries and affiliates	3,873	8,172	14,716
Other income from subsidiaries, primarily fees	$ 1,165	$ (1,402)	$ 52