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Other Long-Term Liabilities (Tables) | 6 Months Ended
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Mar. 31, 2019
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 March 31, 2019 |  | At September 30, 2018
Interest rate swap liabilities | $ | 1,330 |  |  | $ | 1,122 |
Gallatin coal combustion residual facilities liability | 864 |  |  | 862 |
Capital lease obligations | 176 |  |  | 178 |
Currency swap liabilities | 110 |  |  | 81 |
EnergyRight® financing obligation | 96 |  |  | 102 |
Paradise pipeline financing obligation(1) | 80 |  |  | 80 |
Accrued long-term service agreement(1) | 71 |  |  | 74 |
Other(1) | 187 |  |  | 216 |
Total other long-term liabilities | $ | 2,914 |  |  | $ | 2,715 |

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