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Other Long-Term Liabilities | 12 Months Ended
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Sep. 30, 2021
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 — Leases, Note 13 — Asset Retirement Obligations, and Note 16 — Risk Management Activities and Derivative Transactions — Derivatives Not Receiving Hedge Accounting Treatment — Interest Rate Derivatives. The table below summarizes the types and amounts of Other long-term liabilities:
Other Long-Term Liabilities At September 30
| 2021 |  | 2020(1)
Interest rate swap liabilities | $ | 1,524 |  |  | $ | 1,927 |
Operating lease liabilities | 122 |  |  | 171 |
Currency swap liabilities | 76 |  |  | 123 |
EnergyRight® financing obligation | 66 |  |  | 78 |
Long-term deferred compensation | 42 |  |  | 38 |
Long-term deferred revenue | 42 |  |  | 38 |
Accrued long-term service agreements | 29 |  |  | 56 |
Other | 140 |  |  | 117 |
Total other long-term liabilities | $ | 2,041 |  |  | $ | 2,548 |
Note (1) At September 30, 2020, $38 million and $38 million previously classified as Other (a component of Other long-term liabilities) have been reclassified to Long-term deferred compensation (a component of Other long-term liabilities) and Long-term deferred revenue (a component of Other long-term liabilities), respectively, to conform with current year presentation. 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, Accrued interest, and Other long-term liabilities on the Consolidated Balance Sheets. At September 30, 2021 and 2020, the carrying amount of the interest rate swap liabilities reported in Accounts payable and accrued liabilities and Accrued interest was $115 million and $114 million, respectively. See Note 16 — Risk Management Activities and Derivative Transactions — Derivatives Not Receiving Hedge Accounting Treatment — Interest Rate Derivative s for information regarding the interest rate swap liabilities. As of September 30, 2021, Interest rate swap liabilities decreased $402 million as compared to September 30, 2020, primarily due to an increase in market interest rates along with net settlement payments made during the year. Operating Lease Liabilities. TVA's operating leases consist primarily of railcars, equipment, real estate/land, and power generating facilities. At September 30, 2021 and 2020, the current portion of TVA's operating leases reported in Accounts payable and accrued liabilities was $40 million and $63 million, respectively. See Note 8 — Leases for more information regarding leases. Currency Swap Liabilities. To protect against exchange rate risk related to British pound sterling denominated Bond transactions, TVA entered into foreign currency hedges. The values of these derivatives are included in Accounts payable and accrued liabilities and Other long-term liabilities on the Consolidated Balance Sheets. At September 30, 2021 and 2020, the carrying amount of the currency swap liabilities reported in Accounts payable and accrued liabilities was $7 million and $86 million, respectively. See Note 16 — Risk Management Activities and Derivative Transactions — Cash Flow Hedging Strategy for Currency Swaps for more information regarding the currency swap liabilities. EnergyRight® Financing Obligation. TVA purchases certain loans receivable from its LPCs in association with the EnergyRight® 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. At September 30, 2021 and 2020, the carrying amount of the financing obligation reported in Accounts payable and accrued liabilities was approximately $16 million and $19 million, respectively. See Note 9 — Other Long-Term Assets for information regarding the associated loans receivable. In response to the COVID-19 pandemic, customers experiencing financial hardship could request a deferral of EnergyRight® loan payments for a period of up to six months. The deferral option began in April 2020 and ended October 31, 2020. All EnergyRight® loans approved for the deferral period resumed payments in the second quarter of 2021. The deferred loans did not accrue interest during the deferral months and totaled less than $1 million. Long-Term Deferred Compensation. TVA provides compensation arrangements to engage and retain certain employees, both executive and non-executive, which are designed to provide participants with the ability to defer compensation to future periods. The current and long-term portions are reported in Accounts payable and accrued liabilities and Other long- term liabilities, respectively, on TVA’s Consolidated Balance Sheets. At September 30, 2021 and 2020, the current amount of deferred compensation reported in Accounts payable and accrued liabilities was $51 million and $47 million, respectively. Long-Term Deferred Revenue. Long-term deferred revenue represents payments received that exceed services rendered resulting in the deferral of revenue. This long-term portion represents amounts that will not be recognized within the next 12 months primarily related to fiber and transmission agreements. The current and long-term portions of the deferral are reported in Accounts Payable and accrued liabilities and Other long-term liabilities, respectively, on TVA’s Consolidated Balance Sheets. At September 30, 2021 and 2020, the current amount of deferred revenue was $10 million and $11 million, respectively, and is included in Accounts payable and accrued liabilities. Accrued Long-Term Service Agreement. 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 September 30, 2021 and 2020, related liabilities of $28 million and $15 million, respectively, were recorded in Accounts payable and accrued liabilities.

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