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v3.19.1

PROPERTY, PLANT, AND EQUIPMENT (Tables) | 3 Months Ended
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Mar. 31, 2019
Restructuring cost and reserve |
Schedule of changes to our severance liability | In addition, a severance liability was recorded in other current liabilities on our balance sheets related to these plant retirements.
(in millions) |  |
Severance liability at December 31, 2018 |  | $ | 15.7 |
Severance payments |  | (1.7 | )
Total severance liability at March 31, 2019 |  | $ | 14.0 |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Schedule of changes to our severance liability [Table Text Block] + References No definition available. + Details
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Namespace Prefix: | wec_
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