XML 56 R41.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
--- | ---
Dec. 31, 2023
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | SCHEDULE II WEC ENERGY GROUP, INC. VALUATION AND QUALIFYING ACCOUNTS
Allowance for Doubtful Accounts (in millions) |  | Balance at Beginning of Period |  | Expense (1) |  | Deferral |  | Net Write-offs (2) |  | Balance at End of Period
December 31, 2023 |  | $ | 199.3 |  |  | $ | 72.0 |  |  | $ | 88.3 |  |  | $ | (166.1) |  |  | $ | 193.5 |
December 31, 2022 |  | 198.3 |  |  | 86.1 |  |  | 62.9 |  |  | (148.0) |  |  | 199.3 |
December 31, 2021 |  | 220.1 |  |  | 107.4 |  |  | (44.8) |  |  | (84.4) |  |  | 198.3 |
(1) Net of recoveries. (2) Represents amounts written off to the reserve, net of adjustments to regulatory assets.

X
- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-4 + Details
Name: | srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock
Namespace Prefix: | srt_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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