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v3.24.3

Other Income, Net (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Other Nonoperating Income (Expense) [Line Items] |  |  |  |
Allowance for equity funds used during construction | $ 23 | $ 16 | $ 48 | $ 39
Interest income on industrial development revenue bonds | 0 | 0 | 0 | 1
Other interest income | 8 | 6 | 29 | 23
Non-service cost components of net periodic benefit income | 76 | 84 | 228 | 211
Miscellaneous income | 0 | 1 | 6 | 4
Income (Loss) from Equity Method Investments | (2) | 0 | (1) | 2
Donations | (1) | (1) | (5) | (5)
Miscellaneous expense | (3) | (5) | (12) | (14)
Total Other Income, Net | 101 | 101 | 293 | 261
Union Electric Company |  |  |  |
Other Nonoperating Income (Expense) [Line Items] |  |  |  |
Allowance for equity funds used during construction | 15 | 8 | 38 | 20
Interest income on industrial development revenue bonds | 0 | 0 | 0 | 1
Other interest income | 2 | 3 | 7 | 8
Non-service cost components of net periodic benefit income | 35 | 34 | 104 | 62
Miscellaneous income | 1 | 1 | 3 | 3
Donations | 0 | 0 | (2) | (2)
Miscellaneous expense | (2) | (2) | (6) | (7)
Total Other Income, Net | 51 | 44 | 144 | 85
Defined Benefit Plan, Non-service Cost or Income Components - Tracker | (11) | (2) | (31) | 32
Ameren Illinois Company |  |  |  |
Other Nonoperating Income (Expense) [Line Items] |  |  |  |
Allowance for equity funds used during construction | 8 | 5 | 10 | 15
Other interest income | 7 | 4 | 22 | 14
Non-service cost components of net periodic benefit income | 25 | 31 | 78 | 93
Miscellaneous income | 0 | 0 | 3 | 2
Donations | 0 | (1) | (2) | (3)
Miscellaneous expense | (3) | (2) | (6) | (6)
Total Other Income, Net | $ 37 | $ 37 | $ 105 | $ 115

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