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Other Long-Term Liabilities Other Long-Term Liabilities (Tables) | 12 Months Ended
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Sep. 30, 2021
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 At September 30
| 2021 |  | 2020(1)
Interest rate swap liabilities | $ | 1,524 |  |  | $ | 1,927 |
Operating lease liabilities | 122 |  |  | 171 |
Currency swap liabilities | 76 |  |  | 123 |
EnergyRight® financing obligation | 66 |  |  | 78 |
Long-term deferred compensation | 42 |  |  | 38 |
Long-term deferred revenue | 42 |  |  | 38 |
Accrued long-term service agreements | 29 |  |  | 56 |
Other | 140 |  |  | 117 |
Total other long-term liabilities | $ | 2,041 |  |  | $ | 2,548 |
Note (1) At September 30, 2020, $38 million and $38 million previously classified as Other (a component of Other long-term liabilities) have been reclassified to Long-term deferred compensation (a component of Other long-term liabilities) and Long-term deferred revenue (a component of Other long-term liabilities), respectively, to conform with current year presentation.

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