Basis of Presentation - Impact on Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Dec. 31, 2018		Dec. 31, 2017		Dec. 31, 2016
Assets
Cash and due from banks	$ 22,324		$ 25,898
Deposits with banks	256,469		405,406
Other assets	121,022		113,587
Total assets	$ 2,622,532	[1]	2,533,600	[1]	$ 2,490,972
Accounting Standards Update 2016-18
Assets
Cash and due from banks			25,898
Deposits with banks			405,406
Other assets			113,587
Total assets			2,533,600
Reported
Assets
Cash and due from banks			25,827
Deposits with banks			404,294
Other assets			114,770
Total assets			2,533,600
Revisions
Assets
Cash and due from banks			71
Deposits with banks			1,112
Other assets			(1,183)
Total assets			$ 0

[1] The following table presents information on assets and liabilities related to VIEs that are consolidated by the Firm at December 31, 2018 and 2017. The assets of the consolidated VIEs are used to settle the liabilities of those entities. The holders of the beneficial interests do not have recourse to the general credit of JPMorgan Chase. The assets and liabilities in the table below include third-party assets and liabilities of consolidated VIEs and exclude intercompany balances that eliminate in consolidation. For a further discussion, refer to Note 14. December 31, (in millions) 2018   2017 Assets       Trading assets $ 1,966
  $ 1,449
Loans 59,456
  68,995
All other assets 1,013
  2,674
Total assets $ 62,435
  $ 73,118
Liabilities       Beneficial interests issued by consolidated VIEs $ 20,241
  $ 26,081
All other liabilities 312
  349
Total liabilities $ 20,553
  $ 26,430