Property, Plant and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2025

Property, Plant and Equipment [Abstract]

Schedule of Carrying Value of Property, Plant and Equipment

Property, plant and equipment, net consisted of the following as of December 31:

(Millions)	Depreciable Lives	2025		2024
Land	Indefinite	$	65.4	$	30.6
Building and improvements	3 - 40 years	537.1		374.7
Fiber	30 years	6,727.5		5,399.5
Copper	20 years	4,583.4		3,972.8
Poles	30 years	474.7		341.5
Equipment	5 - 7 years	1,898.2		508.8
Corporate assets	3 - 7 years	204.7		16.4
Construction in progress		597.4		36.8
		15,088.4		10,681.1
Less accumulated depreciation		(6,946.5)		(6,471.4)
Property, plant and equipment, net		$	8,141.9	$	4,209.7