XML 34 R39.htm IDEA: XBRL DOCUMENT v3.3.0.814
Inventories, Net Inventories, Net (Tables)
12 Months Ended
Sep. 30, 2015
Inventory, Net [Abstract]  
Inventories, Net
The table below summarizes the types and amounts of TVA’s inventories:

Inventories, Net 
At September 30
 
2015
 
2014
Materials and supplies inventory
$
651

 
$
616

Fuel inventory
414

 
473

Emission allowance inventory, net
13

 
13

Allowance for inventory obsolescence
(47
)
 
(46
)
Inventories, net
$
1,031

 
$
1,056