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CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (USD $)
In Millions
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2011
Increase (Decrease) in Stockholders' Equity    
Acquisition of noncontrolling interest $ (106) $ (106)
Accumulated Other Comprehensive Loss
   
Increase (Decrease) in Stockholders' Equity    
Acquisition of noncontrolling interest (9) (9)
Non-controlling Interests
   
Increase (Decrease) in Stockholders' Equity    
Acquisition of noncontrolling interest $ (43) $ (43)