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v3.24.1.u1

Other Long-Term Assets (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Mar. 31, 2024 | Sep. 30, 2023
Other Long-Term Assets |  |
Loans and other long-term receivables, net | $ 104 | $ 97
EnergyRight® receivables, net | 54 | 55
Other Intangible Assets, Net | 26 | 15
Prepaid Expense, Noncurrent | 50 | 64
Prepaid capital assets | 19 | 28
Total other long-term assets | 332 | 330
Prepaid Expense, Current | 12 | 25
Loans and Leases Receivable, Allowance | 3 | 3
Financing Receivable, after Allowance for Credit Loss, Current | 4 | 7
EnergyRight loan reserve |  |
Other Long-Term Assets |  |
Loans and Leases Receivable, Allowance | 1 | 1
Economic development loan specific loan reserve |  |
Other Long-Term Assets |  |
Loans and Leases Receivable, Allowance | 1 | 1
Economic Development Loan Collective Reserve |  |
Other Long-Term Assets |  |
Loans and Leases Receivable, Allowance | 1 | 1
Accounts Receivable [Member] |  |
Other Long-Term Assets |  |
EnergyRight® receivables, net | 13 | 12
Other long-term assets |  |
Other Long-Term Assets |  |
EnergyRight® receivables, net | 45 | 47
Other | 80 | 67
Other current assets |  |
Other Long-Term Assets |  |
Other Intangible Assets, Net | 10 | 7
Other long-term assets |  |
Other Long-Term Assets |  |
Commodity Contract Asset, Noncurrent | $ 8 | $ 12
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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