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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
Mar. 31, 2014
Mar. 31, 2013
Significant Unobservable Inputs (Level 3)
   
Fair Value By Balance Sheet Grouping Paragraph Details [Line Items]    
Non-Financial assets $ 9 $ 4
Asset impairment $ 9 $ 4