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Other Long-Term Liabilities | 12 Months Ended
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Sep. 30, 2018
Other Liabilities, Noncurrent [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 for environmental remediation liabilities and liabilities under agreements related to compliance with certain environmental regulations. See Note 8, Note 15 — Derivatives Not Receiving Hedge Accounting Treatment — Interest Rate Derivatives, and Note 21 — Legal Proceedings — Environmental Agreements. The table below summarizes the types and amounts of Other long-term liabilities:
Other Long-Term Liabilities At September 30
| 2018 |  | 2017
Interest rate swap liabilities | $ | 1,122 |  |  | $ | 1,418 |
Gallatin coal combustion residual facilities liability | 862 |  |  | 880 |
Capital lease obligations | 178 |  |  | 182 |
Currency swap liabilities | 81 |  |  | 92 |
EnergyRight® financing obligation | 102 |  |  | 115 |
Environmental agreements liability | 11 |  |  | 13 |
Membership interests of VIE subject to mandatory redemption | 28 |  |  | 30 |
Commodity contract derivative liabilities | 8 |  |  | 9 |
Other | 323 |  |  | 316 |
Total other long-term liabilities | $ | 2,715 |  |  | $ | 3,055 |
Interest Rate Swap Liabilities. TVA uses interest rate swaps to fix variable short-term debt to a fixed rate. The values of these derivatives are included in Accounts payable and accrued liabilities and Other long-term liabilities on the consolidated balance sheets. As of September 30, 2018 and 2017, the carrying amount of the interest rate swap liabilities reported in Accounts payable and accrued liabilities was approximately $77 million and $93 million, respectively. See Note 15 — Derivatives Not Receiving Hedge Accounting Treatment — Interest Rate Derivative s for information regarding the interest rate swap liabilities. EnergyRight® Financing Obligation. TVA purchases certain loans receivable from its LPCs in association with the EnergyRight® Solutions program. The current and long-term portions of the resulting financing obligation are reported in Accounts payable and accrued liabilities and Other long-term liabilities, respectively, on TVA’s consolidated balance sheets. As of September 30, 2018 and 2017, the carrying amount of the financing obligation reported in Accounts payable and accrued liabilities was approximately $25 million and $29 million, respectively. See Note 6 for information regarding the associated loans receivable.

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- Definition The entire disclosure for other liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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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