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Other Income (Expense), Net (Tables)
3 Months Ended
Dec. 31, 2022
Other Income and Expenses [Abstract]  
Other Income (Expense), Net
16.  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 December 31
 20222021
Interest income$$
External services
Gains on investments
Miscellaneous— 
Other income, net$16 $14