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Accounts Receivable, Net
 6 Months Ended
Mar. 31, 2012
Receivables [Abstract]  
Accounts Receivable, Net
Accounts Receivable, Net

Accounts receivable primarily consist of amounts due from customers for power sales.  The table below summarizes the types and amounts of TVA’s accounts receivable:

Accounts Receivable, Net 
 
At March 31, 2012
 
At September 30, 2011
Power receivables
 
 
 
Billed
$
1,152

 
$
1,625

Unbilled
16

 
13

Total power receivables
1,168

 
1,638

Other receivables
95

 
102

Allowance for uncollectible accounts
(1
)
 
(1
)
Accounts receivable, net
$
1,262

 
$
1,739