Securities Financing Activities (Tables)

3 Months Ended

Mar. 31, 2012

Securities Financing Activities (Tables) [Abstract]

Components of Collateralized Financings

(in millions)	March 31, 2012			December 31, 2011
Securities purchased under resale agreements(a)		$	240,281		$	235,000
Securities borrowed(b)		135,650			142,462
Securities sold under repurchase agreements(c)		$	231,944		$	197,789
Securities loaned		17,253			14,214

(a) At March 31, 2012, and December 31, 2011, included resale agreements of $26.3 billion and $24.9 billion, respectively, accounted for at fair value.

(b) At March 31, 2012, and December 31, 2011, included securities borrowed of $12.5 billion and $15.3 billion, respectively, accounted for at fair value.

(c) At March 31, 2012, and December 31, 2011, included repurchase agreements of $13.2 billion and $9.5 billion, respectively, accounted for at fair value.