Merger and Purchase Price Allocation - Schedule of Unaudited Pro Forma Consolidated Results of Operations (Details) - Windstream - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Business Combination [Line Items]
Total revenue and sales	$ 3,790.2	$ 4,060.8
Net (loss) income	$ (450.9)	$ 1,560.4

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details