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GOODWILL (Tables)
6 Months Ended
Jun. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of changes to our goodwill balances by segment The table below shows our goodwill balances by segment for the six months ended June 30, 2019. We had no changes to the carrying amount of goodwill during the six months ended June 30, 2019.
(in millions)
 
Wisconsin
 
Illinois
 
Other States
 
Non-Utility Energy Infrastructure
 
Total
Goodwill balance *
 
$
2,104.3

 
$
758.7

 
$
183.2

 
$
6.6

 
$
3,052.8


*
We had no accumulated impairment losses related to our goodwill as of June 30, 2019.