v2.3.0.15
Variable Interest Entities And Unconsolidated Investments (Details 3) (USD $)
In Millions
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Variable Interest Entities and Unconsolidated Investments (Textuals) [Abstract]    
Other cash contributions to our VIEs other than amounts contractually required  $ 87$ 1
Distribution from equity method investee  611
Greenfield
    
Variable Interest Entities and Unconsolidated Investments (Textuals) [Abstract]    
Distribution from equity method investee0626
Whitby
    
Variable Interest Entities and Unconsolidated Investments (Textuals) [Abstract]    
Distribution from equity method investee$ 0$ 3$ 4$ 5