Parent Company - Footnote Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Long-term Debt, Fiscal Year Maturity [Abstract]
2016	$ 50,623
2017	49,500
2018	39,200
2019	30,400
2020	30,700
JPMorgan Chase & Co.
Long-term Debt, Fiscal Year Maturity [Abstract]
2016	27,172
2017	26,000
2018	21,100
2019	11,500
2020	22,200
JPMorgan Chase & Co. | Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Dividends from the issuer trusts	$ 2	$ 2	$ 5