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Other Long-Term Assets Other Long-Term Assets (Tables)
12 Months Ended
Sep. 30, 2018
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
 
2018
 
2017
EnergyRight® receivables
$
90

 
$
100

Loans and other long-term receivables, net
135

 
115

Commodity contract derivative assets
31

 
2

Prepaid capacity payments
27

 
34

Other
66

 
72

Total other long-term assets
$
349

 
$
323