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Securities Financing Activities Securities Financing Activites (Policies)	3 Months Ended
	Mar. 31, 2012
Securities financing activities [Abstract]
Transfers and Servicing of Financial Assets, Transfers of Financial Assets, Financings, Policy [Policy Text Block]	The amounts reported in the table above were reduced by $116.3 billion and $115.7 billion at March 31, 2012, and December 31, 2011, respectively, as a result of agreements in effect that meet the specified conditions for net presentation under applicable accounting guidance.

- Definition

Disclosure of accounting policy for recognizing whether a transfer of a financial asset is accounted for as a financing, and its initial and subsequent accounting for such a transaction.

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