Commitments and Contingencies (Narrative) (Details) € in Billions	1 Months Ended		3 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2015 EUR (€)	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Nov. 26, 2007 association
Loss Contingencies [Line Items]
Programming costs			$ 108,500,000	$ 112,100,000
Percentage of amounts recovered			50.00%
Percentage of net present value, cost savings			50.00%
Percentage of legal and other third party, fees			50.00%
Deutsche Telekom Litigation
Loss Contingencies [Line Items]
Reduction of annual lease fees			83.33%
Interkabel Acquisition
Loss Contingencies [Line Items]
Number of associations of municipalities | association					4
Damages sought	$ 1,500,000,000	€ 1.4
Loss contingency accrual			$ 0