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, 2012
Dec. 31, 2011
Dec. 31, 2010
Schedule of Available-for-sale Securities      
Cost $ 235 $ 268  
Gross unrealized gains/(losses) 12 9  
Estimated fair value 247 277  
Proceeds from sales and maturities of marketable securities 585 750 690
Gross realized gains from the sale of available-for-sale securities 3 3 1
Gross realized loss from the sale of AFS securities (less than) 1 1 1
Debt mutual funds
     
Schedule of Available-for-sale Securities      
Cost 139 115  
Gross unrealized gains/(losses) 3 2  
Estimated fair value 142 117  
Bank debentures
     
Schedule of Available-for-sale Securities      
Cost 45 82  
Estimated fair value 45 82  
Certificates of deposit
     
Schedule of Available-for-sale Securities      
Cost 47 66  
Estimated fair value 47 66  
Government debt securities-non-U.S.
     
Schedule of Available-for-sale Securities      
Cost 3 3  
Estimated fair value 3 3  
Corporate debt securities
     
Schedule of Available-for-sale Securities      
Cost 1 2  
Estimated fair value 1 2  
Equity securities and other
     
Schedule of Available-for-sale Securities      
Gross unrealized gains/(losses) 9 7  
Estimated fair value $ 9 $ 7