Parent Company - Statements of Income (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income
Other income(loss) from subsidiaries and third parties	$ 53,287	$ 52,121	$ 49,545
Total net revenue	96,606	97,031	97,234
Expense
Interest expense to subsidiaries and third parties	9,677	11,153	13,604
Other Noninterest Expense	19,761	14,032	13,559
Income before income tax benefit and undistributed net income of subsidiaries	25,914	28,917	26,749
Income tax benefit	(7,991)	(7,633)	(7,773)
Net income	17,923	21,284	18,976
Other comprehensive income/(loss)	(2,903)	3,158	(57)
Comprehensive income	15,020	24,442	18,919
JPMorgan Chase & Co. [Member]
Income
Dividends from subsidiaries	1,917	6,798	13,414
Expense
Net income	(7,573)	(2,190)	(2,829)
JPMorgan Chase & Co. [Member] | Bank and Bank Holding Company Subsidiaries [Member]
Income
Dividends from subsidiaries	1,175	4,828	10,852
Other income(loss) from subsidiaries and third parties	318	939	809
JPMorgan Chase & Co. [Member] | Nonbank Subsidiaries [Member]
Income
Dividends from subsidiaries	876	1,972	2,651
Other income(loss) from subsidiaries and third parties	2,065	1,207	92
JPMorgan Chase & Co. [Member] | Consolidated Subsidiaries And Unconsolidated Affiliates [Member]
Income
Interest income from subsidiaries and third parties	757	1,041	1,099
Expense
Interest expense to subsidiaries and third parties	309	836	1,121
Net income	25,496	23,474	21,805
JPMorgan Chase & Co. [Member] | Non-Subsidiaries [Member]
Income
Interest income from subsidiaries and third parties	303	293	384
Other income(loss) from subsidiaries and third parties	(1,380)	579	(85)
Expense
Interest expense to subsidiaries and third parties	4,031	4,679	4,447
JPMorgan Chase & Co. [Member] | Subsidiaries and Third Parties [Member]
Income
Total net revenue	4,114	10,859	15,802
Expense
Other Noninterest Expense	9,597	2,399	649
Total expense	13,937	7,914	6,217
Income before income tax benefit and undistributed net income of subsidiaries	(9,823)	2,945	9,585
Income tax benefit	4,301	1,665	1,089
Equity in undistributed net income of subsidiaries	23,445	16,674	8,302
Net income	17,923	21,284	18,976
Other comprehensive income/(loss)	(2,903)	3,158	(57)
Comprehensive income	$ 15,020	$ 24,442	$ 18,919