Derivative Instruments (Basis Swaps, Interest Rate Caps and Collars) (Details) - Basis Swaps $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($)
UPC Holding
Derivative [Line Items]
Weighted average remaining life	6 months
Telenet
Derivative [Line Items]
Weighted average remaining life	6 months
VM Ireland
Derivative [Line Items]
Weighted average remaining life	9 months 18 days
Notional amount due from counterparty | UPC Holding
Derivative [Line Items]
Notional amount	$ 3,605.0
Notional amount due from counterparty | Telenet
Derivative [Line Items]
Notional amount	3,501.5
Notional amount due from counterparty | VM Ireland
Derivative [Line Items]
Notional amount	$ 978.3