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Other Long-Term Liabilities (Tables) | 3 Months Ended
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Dec. 31, 2016
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 December 31, 2016 |  | At September 30, 2016
Interest rate swap liabilities | $ | 1,497 |  |  | $ | 1,938 |
Capital lease obligations | 176 |  |  | 177 |
EnergyRight® financing obligation | 129 |  |  | 130 |
Environmental agreements liability | 15 |  |  | 18 |
Currency swap liabilities | 170 |  |  | 162 |
Membership interests of VIE subject to mandatory redemption | 33 |  |  | 33 |
Commodity contract derivative liabilities | 32 |  |  | 49 |
Regulatory liabilities | 6 |  |  | 3 |
Commodity swap derivative liabilities | — |  |  | 2 |
Other | 366 |  |  | 264 |
Total other long-term liabilities | $ | 2,424 |  |  | $ | 2,776 |

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