Notes and Other Debt, Net - Windstream Credit Agreement (Details) - USD ($) $ in Millions		12 Months Ended
	Oct. 06, 2025	Dec. 31, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Notes and other debt, net		$ 9,540.5	$ 5,861.5
Senior Secured Windstream Term Loan - Variable Rate, Due October 1, 2031
Debt Instrument [Line Items]
Notes and other debt, net		$ 500.0	$ 0.0
Effective interest rate		9.15%
Senior Secured Windstream Term Loan - Variable Rate, Due October 1, 2031 | Base Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		4.75%
Senior Secured Windstream Term Loan - Variable Rate, Due October 1, 2031 | Adjusted Term SOFR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		3.75%
Debt instrument, basis spread on variable rate		0.00%
Senior Secured Windstream Term Loan - Variable Rate, Due October 1, 2031 | Minimum | Base Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		2.75%
Senior Secured Windstream Term Loan - Variable Rate, Due October 1, 2031 | Minimum | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		3.75%
Senior Secured Windstream Term Loan - Variable Rate, Due October 1, 2031 | Maximum | Base Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		3.50%
Senior Secured Windstream Term Loan - Variable Rate, Due October 1, 2031 | Maximum | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		4.50%
Windstream Term Loan
Debt Instrument [Line Items]
Notes and other debt, net		$ 500.0
Mandatory prepayment percentage		100.00%
Variable rate, additional step-down		50.00%
Minimum fixed charge coverage ratio		1.50%
Maximum fixed charge coverage ratio		1.00%
Percentage of first lien senior secured leverage ratio		0.00%
Net cash proceeds received		100.00%
Weighted average interest rate		9.10%
Windstream Term Loan | Minimum
Debt Instrument [Line Items]
Effective interest rate		8.57%
Windstream Term Loan | Maximum
Debt Instrument [Line Items]
Effective interest rate		9.21%
2025 Term Loan
Debt Instrument [Line Items]
Debt term	7 years
Issuance of senior notes, principal amount	$ 1,000.0
Debt instrument, redemption price, percentage		1.00%
Weighted average interest rate		7.98%
2025 Term Loan | Base Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		4.00%
2025 Term Loan | Adjusted Term SOFR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		3.00%
Debt instrument, basis spread on variable rate		0.00%
2025 Term Loan | Minimum
Debt Instrument [Line Items]
Effective interest rate		7.72%
2025 Term Loan | Maximum
Debt Instrument [Line Items]
Effective interest rate		8.11%
Windstream Credit Agreement
Debt Instrument [Line Items]
Remaining borrowing capacity		$ 42.4
Weighted average interest rate		8.45%
Line of credit facility, maximum borrowing capacity		$ 460.0
Repayments of lines of credit		180.0
Letters of credit outstanding		$ 117.6
Covenant maximum leverage ratio		5.00
Windstream Credit Agreement | Revolving Credit Facility Capacity Through January 23, 2027
Debt Instrument [Line Items]
Remaining borrowing capacity	475.0
Windstream Credit Agreement | Revolving Credit Facility Capacity Through December 30, 2027
Debt Instrument [Line Items]
Remaining borrowing capacity	$ 425.0
Windstream Credit Agreement | Minimum
Debt Instrument [Line Items]
Effective interest rate		7.82%
Windstream Credit Agreement | Maximum
Debt Instrument [Line Items]
Effective interest rate		10.75%