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Other Income (Expense), Net Other Income (Expense), Net (Tables)
12 Months Ended
Sep. 30, 2024
Other Income and Expenses [Abstract]  
Other Income (Expense), Net
Income and expenses not related to TVA's operating activities are summarized in the following table:
Other Income, Net
For the years ended September 30
(in millions)
 202420232022
Interest income$42 $34 $15 
External services17 15 16 
Gains (losses) on investments23 13 (17)
Miscellaneous(11)(1)(7)
Total other income, net$71 $61 $