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Other Income (Expense), Net
6 Months Ended
Mar. 31, 2023
Other Income and Expenses [Abstract]  
Other Income (Expense), Net Other Income, Net
Income and expenses not related to TVA's operating activities are summarized in the following table:
Other Income, Net
(in millions)
 Three Months Ended March 31Six Months Ended March 31
 2023202220232022
Interest income$$$16 $
External services
Gains (losses) on investments(6)10 (2)
Miscellaneous
Other income, net$21 $$37 $17