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Other Long-Term Liabilities
9 Months Ended
Jun. 30, 2011
Other Long-Term Liabilities [Abstract]  
Other Long-Term Liabilities

Other long-term liabilities consist primarily of liabilities related to certain derivative agreements.  The table below summarizes the types and amounts of liabilities:
 
Other Long-Term Liabilities
 
 
   
At June 30, 2011
  
At September 30, 2010
 
        
Swaption liability
 $629  $804 
EPA settlement liabilities
  350    
Interest rate swap liabilities
  259   371 
Coal contract derivative liabilities
  143   2 
Commodity swap derivative liabilities
  71   118 
Currency swap liabilities
  44   81 
Other long-term liabilities
   202   150 
          
    Total other long-term liabilities
 $1,698  $1,526