Annual report pursuant to Section 13 and 15(d)

MARKETABLE SECURITIES (Details)

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MARKETABLE SECURITIES (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Schedule of Available-for-sale Securities      
Cost $ 268 $ 329  
Gross unrealized gains/(losses) 9 10  
Estimated fair value 277 339  
Proceeds from sales and maturities of marketable securities 750 690 335
Gross realized gains from the sale of available-for-sale securities 3 1 2
Gross realized loss from the sale of available-for-sale securities (less than) 1 1 1
Debt mutual funds
     
Schedule of Available-for-sale Securities      
Cost 115 179  
Gross unrealized gains/(losses) 2 1  
Estimated fair value 117 180  
Bank debentures
     
Schedule of Available-for-sale Securities      
Cost 82 85  
Estimated fair value 82 85  
Certificates of deposit
     
Schedule of Available-for-sale Securities      
Cost 66 59  
Estimated fair value 66 59  
Government debt securities-non-U.S.
     
Schedule of Available-for-sale Securities      
Cost 3 4  
Gross unrealized gains/(losses)   (1)  
Estimated fair value 3 3  
Corporate debt securities
     
Schedule of Available-for-sale Securities      
Cost 2 2  
Estimated fair value 2 2  
Equity securities and other
     
Schedule of Available-for-sale Securities      
Gross unrealized gains/(losses) 7 10  
Estimated fair value $ 7 $ 10