XML 87 R50.htm IDEA: XBRL DOCUMENT
v3.20.1

SUPPLEMENTAL CASH FLOW INFORMATION (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2020
Additional Cash Flow Elements and Supplemental Cash Flow Information [Abstract] |
Schedule of supplemental cash flow information |
|  | Three Months Ended March 31
(in millions) |  | 2020 |  | 2019
Cash paid for interest, net of amount capitalized |  | $ | 85.8 |  |  | $ | 66.3 |
Cash paid (received) for income taxes, net |  | (11.2 | ) |  | 0.2 |
Significant non-cash investing and financing transactions: |  |  |  |
Accounts payable related to construction costs |  | 102.5 |  |  | 74.7 |
Reconciliation of cash and cash equivalents and restricted cash | The following table reconciles the cash, cash equivalents, and restricted cash amounts reported within the balance sheets to the total of these amounts shown on the statements of cash flows:
(in millions) |  | March 31, 2020 |  | December 31, 2019
Cash and cash equivalents |  | $ | 15.4 |  |  | $ | 37.5 |
Restricted cash included in other long term assets |  | 50.3 |  |  | 44.8 |
Cash, cash equivalents, and restricted cash |  | $ | 65.7 |  |  | $ | 82.3 |

X
- References No definition available. + Details
Name: | us-gaap_AdditionalCashFlowElementsAndSupplementalCashFlowInformationAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular reconciliation of cash and cash equivalents and restricted cash reported within the balance sheets to the amounts shown in the statements of cash flows. + References No definition available. + Details
Name: | wec_ReconciliationOfCashAndRestrictedCashTableTextBlock
Namespace Prefix: | wec_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration