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LONG-TERM DEBT (Export Financing Arrangements) (Details) (Promissory Notes [Member], USD $)
In Millions, unless otherwise specified
Sep. 30, 2014
Sep. 30, 2013
Export financing arrangements [Member]
   
Debt Instrument [Line Items]    
Stated interest rate 5.50%  
Long-term Debt $ 29 $ 18
Other Export Financing Arrangements [Member]
   
Debt Instrument [Line Items]    
Long-term Debt   $ 2