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GOODWILL (Tables)
9 Months Ended
Sep. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of changes to our goodwill balances by segment The table below shows our goodwill balances by segment at September 30, 2020. We had no changes to the carrying amount of goodwill during the nine months ended September 30, 2020.
(in millions) WisconsinIllinoisOther StatesNon-Utility Energy InfrastructureTotal
Goodwill balance (1)
$2,104.3 $758.7 $183.2 $6.6 $3,052.8 

(1)We had no accumulated impairment losses related to our goodwill as of September 30, 2020.