Debt (Maturities of Debt) (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
2023 (remainder of year)	$ 564.0
2024	141.1
2025	360.1
2026	1,082.8
2027	37.8
2028	5,072.1
Thereafter	7,500.8
Total debt maturities	14,758.7
Deferred financing costs, discounts and premiums, net	(161.8)
Total debt	14,596.9
Current portion	669.5
Long-term portion	13,927.4
Long-term debt, gross	14,758.7	$ 13,370.2
Vodafone Collar Loan
Debt Instrument [Line Items]
Long-term debt, gross	1,367.4	$ 0.0
UPC Holding
Debt Instrument [Line Items]
2023 (remainder of year)	210.6
2024	54.3
2025	0.0
2026	0.0
2027	0.0
2028	1,152.3
Thereafter	4,929.8
Total debt maturities	6,347.0
Deferred financing costs, discounts and premiums, net	(24.7)
Total debt	6,322.3
Current portion	264.9
Long-term portion	6,057.4
Telenet
Debt Instrument [Line Items]
2023 (remainder of year)	328.8
2024	71.4
2025	36.3
2026	38.0
2027	37.8
2028	3,919.8
Thereafter	1,592.7
Total debt maturities	6,024.8
Deferred financing costs, discounts and premiums, net	(10.8)
Total debt	6,014.0
Current portion	375.3
Long-term portion	5,638.7
VM Ireland
Debt Instrument [Line Items]
2023 (remainder of year)	0.0
2024	0.0
2025	0.0
2026	0.0
2027	0.0
2028	0.0
Thereafter	978.3
Total debt maturities	978.3
Deferred financing costs, discounts and premiums, net	(5.9)
Total debt	972.4
Current portion	0.0
Long-term portion	972.4
Other
Debt Instrument [Line Items]
2023 (remainder of year)	24.6
2024	15.4
2025	323.8
2026	1,044.8
2027	0.0
2028	0.0
Thereafter	0.0
Total debt maturities	1,408.6
Deferred financing costs, discounts and premiums, net	(120.4)
Total debt	1,288.2
Current portion	29.3
Long-term portion	$ 1,258.9

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Long-term Debt, Gross Contractual Maturities

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of unamortized debt discount (premium) and debt issuance costs.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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