Consolidated Income Statement (Parenthetical) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2012	Mar. 31, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net (income) loss attributable to noncontrolling interests	$ (30)	$ (12)	$ (22)	$ (42)	$ (67)
Investment Management Funds
Net (income) loss attributable to noncontrolling interests	$ (29)	$ (11)	$ (21)	$ (40)	$ (65)

Amount of Net Income (Loss) attributable to noncontrolling interest.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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