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Inventories, Net
9 Months Ended
Jun. 30, 2011
Inventories, Net [Abstract]  
Inventories, Net

The table below summarizes the types and amounts of TVA’s inventories:

Inventories, Net
 
 
   
At June 30, 2011
  
At September 30, 2010
 
        
Fuel inventory
 $546  $539 
Materials and supplies inventory
  530   486 
Emission allowance inventory
  10   11 
Allowance for inventory obsolescence
  (26)   (24)
          
     Inventories, net
 $1,060  $1,012