Supplementary Unrestricted Subsidiary Information (Unaudited) - Schedule of Consolidating Statement of Income (Loss) of Such Unrestricted Subsidiaries (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Revenues and sales:
Total revenues and sales	$ 2,234.5	$ 1,166.9	$ 1,149.8
Costs and expenses:
Selling, general and administrative	351.5	105.0	100.5
Depreciation and amortization	666.6	314.9	310.5
Gain on sale of operating assets	0.0	(19.0)	0.0
Transaction related and other costs	211.8	38.7	12.6
Total costs and expenses	1,972.5	579.9	771.9
Operating income	262.0	587.0	377.9
Other income (expense), net	8.1	0.3	(18.4)
Loss on extinguishment of debt	(183.0)	0.0	(31.2)
Gain on settlement of preexisting relationships	1,683.9	0.0	0.0
Interest expense, net	(602.8)	(511.4)	(481.2)
Income tax benefit	136.5	17.5	68.5
Net income	1,304.7	93.4	(81.7)
Service revenues
Revenues and sales:
Total revenues and sales	2,171.7	1,148.8	1,133.0
Costs and expenses:
Cost of services and sales (exclusive of depreciation and amortization included below)	686.6	128.6	132.2
Sales revenues
Revenues and sales:
Total revenues and sales	62.8	18.1	16.8
Costs and expenses:
Cost of services and sales (exclusive of depreciation and amortization included below)	56.0	11.7	$ 12.1
Eliminations
Revenues and sales:
Total revenues and sales	(70.1)	(14.2)
Costs and expenses:
Selling, general and administrative	(16.2)	(14.2)
Depreciation and amortization	0.0	0.0
Gain on sale of operating assets	0.0	0.0
Transaction related and other costs	0.0	0.0
Total costs and expenses	(70.1)	(14.2)
Operating income	0.0	0.0
Other income (expense), net	0.0	0.0
Loss on extinguishment of debt	0.0	0.0
Gain on settlement of preexisting relationships	0.0
Interest expense, net	0.0	0.0
Income (loss) before income taxes	0.0	0.0
Income tax benefit	0.0	0.0
Net income	0.0	0.0
Eliminations | Service revenues
Costs and expenses:
Cost of services and sales (exclusive of depreciation and amortization included below)	(53.9)	0.0
Eliminations | Sales revenues
Costs and expenses:
Cost of services and sales (exclusive of depreciation and amortization included below)	0.0	0.0
Consolidated
Revenues and sales:
Total revenues and sales	2,234.5	1,166.9
Costs and expenses:
Selling, general and administrative	351.5	105.0
Depreciation and amortization	666.6	314.9
Gain on sale of operating assets	0.0	(19.0)
Transaction related and other costs	211.8	38.7
Total costs and expenses	1,972.5	579.9
Operating income	262.0	587.0
Other income (expense), net	8.1	0.3
Loss on extinguishment of debt	(183.0)	0.0
Gain on settlement of preexisting relationships	1,683.9
Interest expense, net	(602.8)	(511.4)
Income (loss) before income taxes	1,168.2	75.9
Income tax benefit	136.5	17.5
Net income	1,304.7	93.4
Consolidated | Service revenues
Costs and expenses:
Cost of services and sales (exclusive of depreciation and amortization included below)	686.6	128.6
Consolidated | Sales revenues
Costs and expenses:
Cost of services and sales (exclusive of depreciation and amortization included below)	56.0	11.7
Unrestricted Subsidiaries
Revenues and sales:
Total revenues and sales	152.0	71.5
Costs and expenses:
Selling, general and administrative	18.1	32.9
Depreciation and amortization	25.4	17.3
Gain on sale of operating assets	0.0	0.0
Transaction related and other costs	0.0	0.0
Total costs and expenses	96.5	50.2
Operating income	55.5	21.3
Other income (expense), net	0.0	0.0
Loss on extinguishment of debt	0.0	0.0
Gain on settlement of preexisting relationships	0.2
Interest expense, net	(41.7)	(24.1)
Income (loss) before income taxes	14.0	(2.8)
Income tax benefit	0.0	0.0
Net income	14.0	(2.8)
Unrestricted Subsidiaries | Service revenues
Costs and expenses:
Cost of services and sales (exclusive of depreciation and amortization included below)	53.0	0.0
Unrestricted Subsidiaries | Sales revenues
Costs and expenses:
Cost of services and sales (exclusive of depreciation and amortization included below)	0.0	0.0
Restricted Subsidiaries
Revenues and sales:
Total revenues and sales	2,152.6	1,109.6
Costs and expenses:
Selling, general and administrative	349.6	86.3
Depreciation and amortization	641.2	297.6
Gain on sale of operating assets	0.0	(19.0)
Transaction related and other costs	211.8	38.7
Total costs and expenses	1,946.1	543.9
Operating income	206.5	565.7
Other income (expense), net	8.1	0.3
Loss on extinguishment of debt	(183.0)	0.0
Gain on settlement of preexisting relationships	1,683.7
Interest expense, net	(561.1)	(487.3)
Income (loss) before income taxes	1,154.2	78.7
Income tax benefit	136.5	17.5
Net income	1,290.7	96.2
Restricted Subsidiaries | Service revenues
Costs and expenses:
Cost of services and sales (exclusive of depreciation and amortization included below)	687.5	128.6
Restricted Subsidiaries | Sales revenues
Costs and expenses:
Cost of services and sales (exclusive of depreciation and amortization included below)	$ 56.0	$ 11.7