Other Income, Net (Tables)

12 Months Ended

Dec. 31, 2021

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)	2021		2020		2019
Non-service components of net periodic benefit costs	$	72.2	$	41.2	$	36.2
AFUDC – Equity	18.0		20.9		14.4
Gains from investments held in rabbi trust	18.6		12.7		21.2
Earnings from equity method investments (1)	19.9		2.4		3.5
Other, net	4.5		2.3		26.9
Other income, net	$	133.2	$	79.5	$	102.2

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