Regulatory Environment - WI 2024 Limited Rate Case Re-Opener (Details) - Public Service Commission of Wisconsin (PSCW) - 2024 Rate Case Re-Opener $ in Millions	1 Months Ended
	Dec. 31, 2023 USD ($)
WE | Electric
Public Utilities, General Disclosures
Approved rate increase	$ 82.2
Approved rate increase (as a percent)	2.50%
WE | Natural gas
Public Utilities, General Disclosures
Approved rate increase	$ 23.9
Approved rate increase (as a percent)	4.50%
WPS | Electric
Public Utilities, General Disclosures
Approved rate increase	$ (32.7)
Approved rate increase (as a percent)	(2.60%)
WG | Natural gas
Public Utilities, General Disclosures
Approved rate increase	$ 21.6
Approved rate increase (as a percent)	2.80%