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Other Long-Term Liabilities (Tables) | 6 Months Ended
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Mar. 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 March 31, 2016 |  | At September 30, 2015
Interest rate swap liabilities | $ | 1,800 |  |  | $ | 1,627 |
EnergyRight® financing obligation | 141 |  |  | 148 |
Environmental agreements liability | 32 |  |  | 55 |
Currency swap liabilities | 77 |  |  | 47 |
Membership interests of VIE subject to mandatory redemption | 34 |  |  | 35 |
Commodity contract derivative liabilities | 76 |  |  | 17 |
Commodity swap derivative liabilities | 7 |  |  | 10 |
Other | 280 |  |  | 280 |
Total other long-term liabilities | $ | 2,447 |  |  | $ | 2,219 |

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