Debt (Components of Debt) (Details) € in Millions, $ in Millions	Mar. 31, 2023 EUR (€)	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
Weighted average interest rate	5.59%	5.59%
Unused borrowing capacity, amount		$ 1,487.4
Total debt before deferred financing costs, discounts and premiums		14,758.7	$ 13,370.2
Deferred financing costs, discounts and premiums, net		(161.8)	(43.1)
Total carrying amount of debt		14,596.9	13,327.1
Finance lease obligations (note 10)		450.8	436.1
Total debt and finance lease obligations		15,047.7	13,763.2
Current portion of debt and finance lease obligations		(758.5)	(799.7)
Long-term debt and finance lease obligations		$ 14,289.2	12,963.5
UPC Holding Bank Facility
Debt Instrument [Line Items]
Weighted average interest rate	6.96%	6.96%
Total debt before deferred financing costs, discounts and premiums		$ 3,605.1	3,587.7
UPC Holding Bank Facility | UPC Revolving Facility
Debt Instrument [Line Items]
Unused borrowing capacity, amount	€ 713.4	$ 775.4
UPC SPE Notes
Debt Instrument [Line Items]
Weighted average interest rate	4.57%	4.57%
Total debt before deferred financing costs, discounts and premiums		$ 1,657.5	1,651.6
UPC Holding Senior Notes
Debt Instrument [Line Items]
Weighted average interest rate	4.77%	4.77%
Total debt before deferred financing costs, discounts and premiums		$ 819.5	814.2
Telenet Credit Facility
Debt Instrument [Line Items]
Weighted average interest rate	6.27%	6.27%
Total debt before deferred financing costs, discounts and premiums		$ 3,501.5	3,483.9
Telenet Credit Facility | UPC Revolving Facility
Debt Instrument [Line Items]
Unused borrowing capacity, amount	€ 555.0	$ 603.3
Telenet Senior Secured Notes
Debt Instrument [Line Items]
Weighted average interest rate	4.76%	4.76%
Total debt before deferred financing costs, discounts and premiums		$ 1,587.0	1,578.4
VM Ireland Credit Facility
Debt Instrument [Line Items]
Weighted average interest rate	6.38%	6.38%
Unused borrowing capacity, amount	€ 100.0	$ 108.7
Total debt before deferred financing costs, discounts and premiums		978.3	963.9
VM Ireland Credit Facility | UPC Revolving Facility
Debt Instrument [Line Items]
Unused borrowing capacity, amount	€ 100.0	$ 108.7
Vodafone Collar Loan
Debt Instrument [Line Items]
Weighted average interest rate	2.95%	2.95%
Total debt before deferred financing costs, discounts and premiums		$ 1,367.4	0.0
Vendor financing
Debt Instrument [Line Items]
Weighted average interest rate	3.73%	3.73%
Total debt before deferred financing costs, discounts and premiums		$ 655.3	704.7	$ 789.6	$ 843.2
Other
Debt Instrument [Line Items]
Weighted average interest rate	6.32%	6.32%
Total debt before deferred financing costs, discounts and premiums		$ 587.1	$ 585.8