Registration of securities issued in business combination transactions

FAIR VALUE (Details 3)

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FAIR VALUE (Details 3) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2011
Sep. 30, 2012
Dec. 31, 2011
Dec. 31, 2010
Fair Value Measurements Using Significant Unobservable Inputs (Level 3)        
Balance at beginning of period     $ 19 $ 262
Total (losses) gains        
Included in other comprehensive income (loss)     8 7
Balance at end of period     27 19
Changes in unrealized losses relating to assets at the end of the period, included in other comprehensive income (loss) 24   (8) (7)
Cross Currency Interest Rate Contract
       
Fair Value Measurements Using Significant Unobservable Inputs (Level 3)        
Balance at beginning of period (5) 27 19  
Transfer out of Level 3   (27)    
Total (losses) gains        
Included in other comprehensive income (loss) 24   8 7
Balance at end of period $ 19   $ 27 $ 19