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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASURES 4 (Details) (Significant Unobservable Inputs (Level 3), USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Significant Unobservable Inputs (Level 3)
       
Fair Value By Balance Sheet Grouping Paragraph Details [Line Items]        
Non-Financial assets     $ 9 $ 21
Asset impairment $ 3 $ 3 $ 9 $ 21