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Other Long-Term Liabilities | 6 Months Ended
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Mar. 31, 2012
Other Liabilities Disclosure [Abstract] |
Other Long-Term Liabilities | Other Long-Term Liabilities Other long-term liabilities consist primarily of liabilities related to certain derivative agreements as well as liabilities under agreements in respect of compliance with certain environmental regulations (see Note 17 — Environmental Agreements). The table below summarizes the types and amounts of liabilities:
Other Long-Term Liabilities
| At March 31, 2012 |  | At September 30, 2011
Swaption liability | $ | 993 |  |  | $ | 1,077 |
Interest rate swap liabilities | 405 |  |  | 463 |
Environmental agreements liability | 253 |  |  | 346 |
Coal contract derivative liabilities | 236 |  |  | 119 |
Commodity swap derivative liabilities | 109 |  |  | 78 |
Currency swap liabilities | 72 |  |  | 131 |
Other | 230 |  |  | 191 |
Total other long-term liabilities | $ | 2,298 |  |  | $ | 2,405 |

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- Definition The entire disclosure for other liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 24 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20,24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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