Business Changes and Developments	12 Months Ended
Dec. 31, 2016
Business Changes [Abstract]
Business Changes and Developments	Business changes and developments None

This element may be used as a single block of text to encapsulate the entire disclosure (including data and tables) regarding significant business events.

No definition available.

Name:	jpm_BusinessEventsTextBlock
Namespace Prefix:	jpm_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration