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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASURES 3 (Details) (USD $)
In Millions, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Carrying (Reported) Amount, Fair Value Disclosure [Member]
   
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Long-term receivables $ 194 $ 132
Long-term debt and related current maturities 7,015 6,896
Estimate of Fair Value, Fair Value Disclosure [Member]
   
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Long-term receivables 194 132
Long-term debt and related current maturities $ 8,223 $ 7,896