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Other Long-Term Liabilities Other Long-Term Liabilities (Tables) | 12 Months Ended
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Sep. 30, 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 September 30
| 2016 |  | 2015
Interest rate swap liabilities | $ | 1,938 |  |  | $ | 1,627 |
Capital lease obligations | 177 |  |  | 100 |
Currency swap liabilities | 162 |  |  | 47 |
EnergyRight® financing obligation | 130 |  |  | 148 |
Environmental agreements liability | 18 |  |  | 55 |
Membership interests of VIE subject to mandatory redemption | 33 |  |  | 35 |
Commodity contract derivative liabilities | 49 |  |  | 17 |
Regulatory liabilities | 3 |  |  | 2 |
Commodity swap derivative liabilities | 2 |  |  | 10 |
Other | 264 |  |  | 180 |
Total other long-term liabilities | $ | 2,776 |  |  | $ | 2,221 |

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