Document and Entity Information	3 Months Ended
	Mar. 31, 2012	Apr. 30, 2012
Document and Entity Information
Entity Registrant Name	JPMORGAN CHASE & CO
Entity Central Index Key	0000019617
Document Type	10-Q
Document Period End Date	Mar. 31, 2012
Amendment Flag	true
Amendment Description	JPMorgan Chase & Co. (“JPMorgan Chase” or the “Firm”) is filing this Amendment to its previously filed Quarterly Report on Form 10-Q for the first quarter ended March 31, 2012 (the “First Quarter Report”) to: (1) restate its unaudited interim financial statements as of and for the first quarter ended March 31, 2012, (2) reflect related matters involving the Firm's disclosure controls and procedures, and (3) revise certain of its regulatory capital ratios, all of which were included in the First Quarter Report. The restatement and the other aforementioned matters are described in the Subsequent Events section of this Form 10-Q/A, beginning on page 9. The information in the First Quarter Report is amended to read in its entirety as set forth in this Amendment. Except to reflect the restatement of the interim financial statements, the related disclosure controls and procedures matters and the regulatory capital ratios, the information in the First Quarter Report and this Amendment has not been updated or otherwise changed to reflect any events, conditions or other developments that have occurred or existed since May 10, 2012, the date the First Quarter Report was filed. Accordingly, except solely with regard to the restatement, the related disclosure controls and procedures matters and the regulatory capital ratios, all information in the First Quarter Report and this Amendment speaks only as of May 10, 2012. References made in this Amendment to "this Form 10-Q" mean this Amendment on Form 10-Q/A unless the context requires otherwise. For more information about the restatement, the related disclosure controls and procedures matters and the regulatory capital ratios, please see JPMorgan Chase's Current Report on Form 8-K (Items 2.02 and 4.02(a)) filed on July 13, 2012. For information about the Firm's results of operations and other developments during the second quarter of 2012, as well as management's 2012 Business Outlook as of the date hereof, please see the Firm's Quarterly Report on Form 10-Q for the quarter ended June 30, 2012 filed on August 9, 2012.
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q1
Current Fiscal Year End Date	--12-31
Entity Well Known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock Shares Outstanding		3,806,666,475