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Other Long-Term Assets (Tables)
12 Months Ended
Sep. 30, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Other Long-Term Assets
The table below summarizes the types and amounts of TVA's other long-term assets:
Other Long-Term Assets 
At September 30
(in millions)
 20222021
Loans and other long-term receivables, net$99 $96 
EnergyRight® receivables, net
49 57 
Prepaid long-term service agreements74 44 
Commodity contract derivative assets102 40 
Other70 83 
Total other long-term assets$394 $320