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Other Income, Net
 12 Months Ended
Dec. 31, 2024
Other Income and Expenses [Abstract]  
OTHER INCOME, NET OTHER INCOME, NET
Total other income, net was as follows for the years ended December 31:
(in millions)202420232022
Non-service components of net periodic benefit costs$83.7 $97.7 $104.4 
AFUDC-Equity59.8 59.1 29.4 
Interest income17.2 3.9 1.2 
Gains (losses) from investments held in rabbi trust11.7 13.7 (12.6)
Earnings (losses) from equity method investments (1)
4.7 (1.1)9.3 
Other, net1.1 4.4 (2.9)
Other income, net$178.2 $177.7 $128.8 

(1)    Amounts do not include equity earnings of transmission affiliates as those earnings are shown as a separate line item on the income statements.