Consolidated Income Statement (Parenthetical) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012
Net (income) attributable to noncontrolling interests	$ (16)	$ (11)	$ (12)
Investment Management Funds
Net (income) attributable to noncontrolling interests	$ (16)	$ (11)	$ (11)

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

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

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-Name Accounting Standards Codification

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

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-Name Accounting Standards Codification

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