Quarterly report pursuant to Section 13 or 15(d)

MARKETABLE SECURITIES (Details)

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MARKETABLE SECURITIES (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Jun. 30, 2013
Dec. 31, 2012
Schedule of Available-for-sale Securities      
Cost   $ 195 $ 235
Gross unrealized gains/(losses)   10 12
Estimated fair value   205 247
Debt mutual funds
      
Schedule of Available-for-sale Securities      
Cost   116 139
Gross unrealized gains/(losses)   1 3
Estimated fair value   117 142
Bank debentures
      
Schedule of Available-for-sale Securities      
Cost   12 45
Estimated fair value   12 45
Certificates of deposit
      
Schedule of Available-for-sale Securities      
Cost   51 47
Estimated fair value   51 47
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 1
Estimated fair value   1 1
Equity securities and other
      
Schedule of Available-for-sale Securities      
Cost   12  
Gross unrealized gains/(losses)   9 9
Estimated fair value   21 9
Gross realized gains from the sale of available-for-sale securities $ 9