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Other Long-Term Liabilities Other Long-Term Liabilities (Tables)
12 Months Ended
Sep. 30, 2022
Other Liabilities, Noncurrent [Abstract]  
Other Long-Term Liabilities
Other Long-Term Liabilities
At September 30
(in millions)
 2022
2021(1)
Interest rate swap liabilities$851 $1,524 
Operating lease liabilities93 122 
Currency swap liabilities228 76 
EnergyRight® financing obligation58 66 
Long-term deferred compensation39 42 
Advances for construction53 24 
Long-term deferred revenue39 37 
Accrued long-term service agreements— 29 
Other124 121 
Total other long-term liabilities$1,485 $2,041 
Note
(1) At September 30, 2021, $5 million and $19 million previously classified as Long-term deferred revenue (a component of Other long-term liabilities) and Other (a
component of Other long-term liabilities), respectively, were reclassified to Advances for construction (a component of Other long-term liabilities) to conform
with current year presentation.