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Other Long-Term Liabilities (Tables) | 6 Months Ended
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Mar. 31, 2022
Other Liabilities, Noncurrent [Abstract] |
Other Long-Term Liabilities | The table below summarizes the types and amounts of Other long-term liabilities:
Other Long-Term Liabilities (in millions)
| At March 31, 2022 |  | At September 30, 2021(1)
Interest rate swap liabilities | $ | 1,273 |  |  | $ | 1,524 |
Operating lease liabilities | 120 |  |  | 122 |
Currency swap liabilities | 85 |  |  | 76 |
EnergyRight® financing obligation | 61 |  |  | 66 |
Long-term deferred compensation | 33 |  |  | 42 |
Advances for construction | 42 |  |  | 24 |
Long-term deferred revenue | 38 |  |  | 37 |
Accrued long-term service agreements | 17 |  |  | 29 |
Other | 132 |  |  | 121 |
Total other long-term liabilities | $ | 1,801 |  |  | $ | 2,041 |

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- Definition Tabular disclosure of other noncurrent liabilities. + References No definition available. + Details
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