Parent Company - Balance Sheets (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Assets
Cash and due from banks	$ 27,831	$ 39,771	$ 53,723	$ 59,602
Trading assets	398,988	374,664
Available-for-sale securities	298,752	329,977
Loans	757,336	738,418
Other assets	102,950	110,101
Total assets	2,573,126	2,415,689	2,359,141
Liabilities and stockholders equity
Total liabilities	2,341,061	2,204,511
Total stockholders' equity	232,065	211,178
Total liabilities and stockholders’ equity	2,573,126	2,415,689
JPMorgan Chase & Co.
Assets
Cash and due from banks	211	264	216	132
Deposits with banking subsidiaries	95,884	64,843
Trading assets	18,222	13,727
Available-for-sale securities	3,321	15,228
Loans	2,260	2,829
Other assets	18,645	18,877
Total assets	482,222	454,195
Liabilities and stockholders equity
Borrowings from, and payables to, subsidiaries and affiliates	17,442	14,328
Other borrowed funds, primarily commercial paper	49,586	55,454
Other Liabilities	11,918	11,367
Long-term debt	171,211	161,868
Total liabilities	250,157	243,017
Total stockholders' equity	232,065	211,178
Total liabilities and stockholders’ equity	482,222	454,195
JPMorgan Chase & Co. | Bank and Bank Holding Company Subsidiaries
Assets
Advances to, and receivables from, subsidiaries	33,810	21,693
Investments (at equity) in subsidiaries and affiliates	216,070	196,950
JPMorgan Chase & Co. | Nonbank Subsidiaries
Assets
Advances to, and receivables from, subsidiaries	52,626	68,788
Investments (at equity) in subsidiaries and affiliates	$ 41,173	$ 50,996