XML 65 R34.htm IDEA: XBRL DOCUMENT v3.22.1
Inventories, Net (Tables)
6 Months Ended
Mar. 31, 2022
Inventory, Net [Abstract]  
Inventories, Net
The table below summarizes the types and amounts of TVA's inventories:
Inventories, Net
(in millions)
 At March 31, 2022At September 30, 2021
Materials and supplies inventory$776 $775 
Fuel inventory245 198 
Renewable energy certificates inventory, net17 12 
Allowance for inventory obsolescence(50)(35)
Inventories, net$988 $950