Debt (Schedules) (Details) € in Millions, $ in Millions	Dec. 31, 2022 USD ($)	Dec. 31, 2022 EUR (€)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Debt Instrument [Line Items]
Weighted average interest rate	5.50%	5.50%
Unused borrowing capacity	$ 1,465.6
Total debt before deferred financing costs, discounts and premiums	13,370.2		$ 14,398.8
Deferred financing costs, discounts and premiums, net	(43.1)		(57.7)
Total carrying amount of debt	13,327.1		14,341.1
Finance lease obligations	436.1		484.0
Total debt and finance lease obligations	13,763.2		14,825.1
Current portion of debt and finance lease obligations	(799.7)		(850.3)
Long-term debt and finance lease obligations	$ 12,963.5		13,974.8
UPC Holding Bank Facility
Debt Instrument [Line Items]
Weighted average interest rate	6.60%	6.60%
Total debt before deferred financing costs, discounts and premiums	$ 3,587.7		4,062.5
UPC Holding Bank Facility | UPC Revolving Facility
Debt Instrument [Line Items]
Unused borrowing capacity	$ 764.1	€ 713.4
UPC SPE Notes
Debt Instrument [Line Items]
Weighted average interest rate	4.57%	4.57%
Total debt before deferred financing costs, discounts and premiums	$ 1,651.6		1,933.2
UPC Holding Senior Notes
Debt Instrument [Line Items]
Weighted average interest rate	4.78%	4.78%
Total debt before deferred financing costs, discounts and premiums	$ 814.2		1,211.6
Telenet Credit Facility
Debt Instrument [Line Items]
Weighted average interest rate	5.90%	5.90%
Total debt before deferred financing costs, discounts and premiums	$ 3,483.9		3,558.9
Telenet Credit Facility | UPC Revolving Facility
Debt Instrument [Line Items]
Unused borrowing capacity	$ 594.4	€ 555.0
Telenet Senior Secured Notes
Debt Instrument [Line Items]
Weighted average interest rate	4.77%	4.77%
Total debt before deferred financing costs, discounts and premiums	$ 1,578.4		1,614.9
VM Ireland Credit Facility
Debt Instrument [Line Items]
Weighted average interest rate	6.19%	6.19%
Unused borrowing capacity	$ 107.1	€ 100.0
Total debt before deferred financing costs, discounts and premiums	963.9		1,024.9
VM Ireland Credit Facility | UPC Revolving Facility
Debt Instrument [Line Items]
Unused borrowing capacity	$ 107.1	€ 100.0
Vendor financing
Debt Instrument [Line Items]
Weighted average interest rate	2.63%	2.63%
Total debt before deferred financing costs, discounts and premiums	$ 704.7		843.2	$ 1,099.6
Other
Debt Instrument [Line Items]
Weighted average interest rate	4.21%	4.21%
Total debt before deferred financing costs, discounts and premiums	$ 585.8		$ 149.6