Other Income, Net (Tables)

12 Months Ended

Dec. 31, 2022

Other Income and Expenses [Abstract]

Schedule of other income, net

Total other income, net was as follows for the years ended December 31:

(in millions)	2022		2021		2020
Non-service components of net periodic benefit costs	$	104.4	$	72.2	$	41.2
AFUDC–Equity	29.4		18.0		20.9
Earnings from equity method investments (1)	9.3		19.9		2.4
Gains (losses) from investments held in rabbi trust	(12.6)		18.6		12.7
Other, net	(1.7)		4.5		2.3
Other income, net	$	128.8	$	133.2	$	79.5

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