Parent Company - Statements of Income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income
Other income/(loss)	$ 50,033	$ 51,478	$ 54,048
Total income	93,543	95,112	97,367
Expense
Other interest expense	7,463	7,897	9,350
Other noninterest expense	9,593	11,146	20,398
Income tax benefit	(6,260)	(8,954)	(8,789)
Net income	24,442	21,745	17,886
Other comprehensive income, net	(1,997)	990	(2,903)
Comprehensive income	22,445	22,735	14,983
JPMorgan Chase & Co.
Income
Interest income from subsidiaries	443	378	757
Other interest income	234	284	303
Other income/(loss)	3,316	508	(1,380)
Total income	21,311	16,717	4,114
Expense
Interest expense to subsidiaries and affiliates	98	169	309
Other interest expense	3,720	3,645	4,031
Other noninterest expense	2,611	827	9,597
Total expense	6,429	4,641	13,937
Income (loss) before income tax benefit and undistributed net income of subsidiaries	14,882	12,076	(9,823)
Income tax benefit	1,640	1,430	4,301
Equity in undistributed net income of subsidiaries	7,920	8,239	23,408
Net income	24,442	21,745	17,886
Other comprehensive income, net	(1,997)	990	(2,903)
Comprehensive income	22,445	22,735	14,983
JPMorgan Chase & Co. | Bank and bank holding company
Income
Dividends from subsidiaries and affiliates	10,653	0	1,175
Other income(loss) from subsidiaries, primarily fees	1,438	779	318
JPMorgan Chase & Co. | Nonbank
Income
Dividends from subsidiaries and affiliates	8,172	14,716	876
Other income(loss) from subsidiaries, primarily fees	$ (2,945)	$ 52	$ 2,065