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Other Long-Term Liabilities Other Long-Term Liabilities (Tables)
12 Months Ended
Sep. 30, 2021
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
 2021
2020(1)
Interest rate swap liabilities$1,524 $1,927 
Operating lease liabilities122 171 
Currency swap liabilities76 123 
EnergyRight® financing obligation66 78 
Long-term deferred compensation42 38 
Long-term deferred revenue42 38 
Accrued long-term service agreements29 56 
Other140 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.