Business Changes and Developments (Details) (USD $) Share data in Millions, unless otherwise specified	12 Months Ended			0 Months Ended		12 Months Ended	3 Months Ended	12 Months Ended	0 Months Ended		12 Months Ended		0 Months Ended	1 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Nov. 15, 2013 Mortgage Backed Securities Litigation Related to MBS Offerings Issued By JPMC and Bear Stearns [Member] trust	Nov. 15, 2013 Mortgage Backed Securities Litigation Related to MBS Offerings Sponsored By Washington Mutual [Member] investors	Dec. 31, 2013 Mortgage Backed Securities Litigation and Regulatory Investigations [Member]	Dec. 31, 2012 Mortgage Foreclosure Investigations and Litigation [Member]	Dec. 31, 2012 Washington Mutual, Inc. bankruptcy plan confirmation [Member]	Jan. 07, 2013 Cash Payment [Member] Mortgage Foreclosure Investigations and Litigation [Member]	Jan. 07, 2013 Foreclosure Prevention Commitment Actions [Member] Mortgage Foreclosure Investigations and Litigation [Member]	Dec. 31, 2013 Civil Monetary Penalty [Member] Mortgage Backed Securities Litigation and Regulatory Investigations [Member]	Dec. 31, 2013 Compensatory Payments [Member] Mortgage Backed Securities Litigation and Regulatory Investigations [Member]	Dec. 17, 2013 Office Building [Member]	Dec. 31, 2013 VISA [Member]	Dec. 31, 2013 Federal Housing Finance Agency [Member] Compensatory Payments [Member] Mortgage Backed Securities Litigation and Regulatory Investigations [Member]
Other Business Events Disclousre [Line Items]
Commitment to provide borrower relief before the end of 2017 as part of a settlement						$ 4,000,000,000
Loss contingency, settlement agreement, consideration				4,500,000,000		9,000,000,000			760,000,000	1,200,000,000	2,000,000,000	7,000,000,000			4,000,000,000
Number of Institutional MBS Investors Directing or Threatening Litigation					21
Shares sold														20
Gain (loss) on sale of securities, net														1,300,000,000
Shares retained														40
Common stock conversion feature														42.06%
Proceeds from sale of property, plant and equipment													493,000,000
Number of MBS for Which Repurchase and Servicing Claims Have Been or Could Have Been Asserted				330
Amount Agreed to Resolve Fannie Mae's and Freddie Mac's Repurchase Claims Associated with Whole Loan Purchases from 2000 to 2008						1,100,000,000
Loss contingency, loss in period							700,000,000
Noninterest Income, other	$ 3,847,000,000	$ 4,258,000,000	$ 2,605,000,000					$ 1,100,000,000