Parent Company - Statements of Income (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income
Other income/(loss)	$ 50,571	$ 53,287	$ 52,121
Total net revenue	94,205	96,606	97,031
Expense
Other interest expense	7,897	9,350	11,043
Other Noninterest Expense	11,146	20,398	14,989
Income tax benefit	(8,030)	(7,991)	(7,633)
Net income	21,762	17,923	21,284
Other comprehensive income/(loss)	990	(2,903)	3,158
Comprehensive income	22,752	15,020	24,442
JPMorgan Chase & Co.
Income
Interest income from subsidiaries and third parties	378	757	1,041
Other interest income	284	303	293
Other income/(loss)	508	(1,380)	579
Total net revenue	16,717	4,114	10,859
Expense
Interest expense to subsidiaries and affiliates	169	309	836
Other interest expense	3,645	4,031	4,679
Other Noninterest Expense	827	9,597	2,399
Total expense	4,641	13,937	7,914
Income before income tax benefit and undistributed net income of subsidiaries	12,076	(9,823)	2,945
Income tax benefit	1,430	4,301	1,665
Equity in undistributed net income of subsidiaries	8,256	23,445	16,674
Net income	21,762	17,923	21,284
Other comprehensive income/(loss)	990	(2,903)	3,158
Comprehensive income	22,752	15,020	24,442
JPMorgan Chase & Co. | Bank and Bank Holding Company Subsidiaries
Income
Dividends from subsidiaries and affiliates	0	1,175	4,828
Other income(loss) from subsidiaries and third parties	779	318	939
JPMorgan Chase & Co. | Nonbank Subsidiaries
Income
Dividends from subsidiaries and affiliates	14,716	876	1,972
Other income(loss) from subsidiaries and third parties	$ 52	$ 2,065	$ 1,207