Securities Financing Activities - Schedule of securities sold under repurchase agreements & securities loaned collateral netting (Details 3) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Securities sold under repurchase agreements with an appropriate legal opinion:
Net liability balance	$ 145,857,000,000	$ 204,405,000,000
Amounts not nettable on the Consolidated balance sheets, Financial Instruments	(142,686,000,000)	(202,925,000,000)
Amounts not nettable on the Consolidated balance sheets, Cash collateral	(450,000,000)	(162,000,000)
Net amount	2,721,000,000	1,318,000,000
Securities loaned:
Net liability	25,372,000,000	29,569,000,000
Amounts not nettable on the Consolidated balance sheets, Financial Instruments	(25,125,000,000)	(28,465,000,000)
Amounts not nettable on the Consolidated balance sheets, Cash collateral	0	0
Net amount	247,000,000	1,104,000,000
Transfers not qualifying for sale accounting	$ 14,600,000,000	$ 9,600,000,000