Debt and Other Financing Arrangements - Schedule of Debt (Parenthetical) (Details) - Various Cincinnati Bell Telephone Notes [Member] - USD ($) $ in Millions	6 Months Ended	12 Months Ended
Jun. 30, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	6.30%
Merger Agreement [Member]
Debt Instrument [Line Items]
Unamortized fair value adjustments	$ 5.2	$ 5.9

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