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GOODWILL (Tables) | 3 Months Ended
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Mar. 31, 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 three months ended March 31, 2019. We had no changes to the carrying amount of goodwill during the three months ended March 31, 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 March 31, 2019.

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267 + Details
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