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Other Long-Term Liabilities | 6 Months Ended
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Mar. 31, 2020
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 and finance leases, as well as liabilities for environmental remediation and liabilities under agreements related to compliance with certain environmental regulations. The table below summarizes the types and amounts of Other long-term liabilities:
Other Long-Term Liabilities
| At March 31, 2020 |  | At September 30, 2019
Interest rate swap liabilities | $ | 2,045 |  |  | $ | 1,676 |
Finance lease liabilities | 179 |  |  | 182 |
Currency swap liabilities | 280 |  |  | 193 |
EnergyRight® financing obligations | 85 |  |  | 90 |
Paradise pipeline financing obligation | 79 |  |  | 80 |
Accrued long-term service agreements | 61 |  |  | 66 |
Other | 185 |  |  | 203 |
Total other long-term liabilities | $ | 2,914 |  |  | $ | 2,490 |
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. At March 31, 2020, and September 30, 2019, the carrying amount of the interest rate swap liabilities reported in Accounts payable and accrued liabilities was $105 million and $88 million, respectively. See Note 14 — Risk Management Activities and Derivative Transactions — Derivatives Not Receiving Hedge Accounting Treatment — Interest Rate Derivatives for information regarding the interest rate swap liabilities. As of March 31, 2020, interest rate swap liabilities increased $369 million as compared to September 30, 2019, primarily due to a decrease in interest rates resulting in higher mark-to-market values on future expected net cash flows. EnergyRight® Financing Obligations. 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 obligations are reported in Accounts payable and accrued liabilities and Other long-term liabilities, respectively, on TVA's Consolidated Balance Sheets. At March 31, 2020, and September 30, 2019, the carrying amount of the financing obligations reported in Accounts payable and accrued liabilities was $21 million and $23 million, respectively. See Note 7 — Other Long-Term Assets for information regarding the associated loans receivable. In response to the COVID-19 pandemic, customers experiencing a financial hardship can request a deferral of loan payments for a period of up to six months. This deferral option is available beginning April 20, 2020, through October 31, 2020. Deferred loans will not accrue interest during the deferral months. Paradise Pipeline Financing Obligation. TVA reserves firm pipeline capacity on an approximately 19-mile pipeline owned by Texas Gas, which serves TVA's Paradise Combined Cycle Plant. The capacity contract contains a lease component due to TVA's exclusive right to use the pipeline. TVA accounts for this lease component as a financing transaction. 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. At both March 31, 2020, and September 30, 2019, related liabilities of less than $1 million were recorded in Accounts payable and accrued liabilities. Accrued Long-Term Service Agreements. TVA has entered into various long-term service agreements for major maintenance activities at certain of its combined cycle plants. TVA uses the direct expense method of accounting for these arrangements. TVA accrues for parts when it takes ownership and for contractor services when they are rendered. Under certain of these agreements, parts received and services rendered exceed payments made. The current and long-term portions of the resulting obligation are reported in Accounts payable and accrued liabilities and Other long-term liabilities, respectively, on TVA's Consolidated Balance Sheets. At March 31, 2020, and September 30, 2019, related liabilities of $13 million and $12 million, respectively, were recorded in Accounts payable and accrued liabilities.

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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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