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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASURES (Details) (USD $)
In Millions, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Derivative [Line Items]    
Fixed Rate Debt Percent changed to LIBOR 4.09% 4.09%
Amount of fixed rate debt $ 1,400 $ 1,400
Carrying (Reported) Amount, Fair Value Disclosure [Member]
   
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Long-term receivables 161 132
Long-term debt and related current maturities 6,962 6,896
Estimate of Fair Value, Fair Value Disclosure [Member]
   
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Long-term receivables 159 132
Long-term debt and related current maturities 8,107 7,896
Foreign Currency Exchange Contracts [Member]
   
Derivative [Line Items]    
Derivative, Notional Amount 5,870 7,108
Commodity Contracts [Member]
   
Derivative [Line Items]    
Derivative, Notional Amount $ 32 $ 59