Derivative Instruments (Impact of Derivative Instruments on Borrowing Costs) (Details)	Dec. 31, 2022
Derivative [Line Items]
Total decrease to borrowing costs	(2.58%)
UPC Holding
Derivative [Line Items]
Total decrease to borrowing costs	(2.79%)
Telenet
Derivative [Line Items]
Total decrease to borrowing costs	(2.38%)
VM Ireland
Derivative [Line Items]
Total decrease to borrowing costs	(2.28%)