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LONG-TERM DEBT (Interest Rate Swaps) (Details) (USD $)
In Millions, unless otherwise specified
1 Months Ended
Aug. 31, 2012
Term Loan Interest Rate Swap [Member]
Sep. 30, 2014
Unamortized Gain On Interest Rate Swap Termination [Member]
Sep. 30, 2013
Unamortized Gain On Interest Rate Swap Termination [Member]
Sep. 30, 2014
8.125% Notes Due 2015 [Member]
Jun. 05, 2013
8.125% Notes Due 2015 [Member]
Debt Instrument [Line Items]          
Stated interest rate       8.125%  
Description of Variable Rate Basis LIBOR-based rate        
Derivative, Type of Interest Rate Paid on Swap U.S. federal funds rate        
Long-term debt   $ 0 $ 2    
Debt term 4 years        
Gain From Acceleration Of Deferred Unamortized Interest Rate Swap   1      
Repurchased amount of debt       $ 84 $ 167