XML 39 R10.htm IDEA: XBRL DOCUMENT v3.5.0.2
Inventories, Net
 9 Months Ended
Jun. 30, 2016
Inventory, Net [Abstract]  
Inventories, Net
Inventories, Net

The table below summarizes the types and amounts of TVA’s inventories:
Inventories, Net 
 
At June 30, 2016
 
At September 30, 2015
Materials and supplies inventory
$
690

 
$
651

Fuel inventory
392

 
414

Emission allowance inventory, net
13

 
13

Allowance for inventory obsolescence
(37
)
 
(47
)
Inventories, net
$
1,058

 
$
1,031