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GOODWILL (Tables)
6 Months Ended
Jun. 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 June 30, 2020. We had no changes to the carrying amount of goodwill during the six months ended June 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 June 30, 2020.