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v3.19.1

Other Long-Term Assets (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Mar. 31, 2019 | Sep. 30, 2018
Other Long-Term Assets |  |
EnergyRight® receivables | $ 106 | $ 112
Other long-term assets | 347 | 362
Other long-term assets |  |
Other Long-Term Assets |  |
Loans and other long-term receivables, net(1) | 144 | 125
EnergyRight® receivables | 86 | 90
Prepaid capacity payments | 23 | 27
Commodity contract derivative assets | 10 | 31
Other | 61 | 66
Restricted Cash and Cash Equivalents, Noncurrent | 23 | 23
Accounts Receivable |  |
Other Long-Term Assets |  |
EnergyRight® receivables | $ 21 | $ 22
Energy Right |  |
Other Long-Term Assets |  |
Number of days in default | 180 days |
Energy Right | Minimum |  |
Other Long-Term Assets |  |
Debt Instrument, Term | 5 years |
Energy Right | Maximum |  |
Other Long-Term Assets |  |
Debt Instrument, Term | 10 years |

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