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Consolidated Statements Of Equity (Parenthetical) (USD $)
In Millions
3 Months Ended6 Months Ended12 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Dec. 31, 2010
Dec. 31, 2009
Consolidated Statements Of Equity      
Net income attributable to redeemable noncontrolling interests not included in equity$ 7.8$ 9.8$ 15.3$ 18.3$ 35.0$ 3.7