v3.26.1
PROPERTY, PLANT, AND EQUIPMENT - PLANT TO BE RETIRED - OAK CREEK POWER PLANT UNITS 7 AND 8 (Details) - WE - OCPP
$ in Millions
Jun. 30, 2026
USD ($)
performance_obligations
Property, plant, and equipment  
Number of factors the decision to postpone the retirement date was based on | performance_obligations 2
Net book value of plant to be retired | $ $ 604.6