v3.10.0.1
Debt and Capital Lease Obligations (Maturities of Debt) (Details) - USD ($)
$ in Millions
Jun. 30, 2018
Dec. 31, 2017
Debt Instrument [Line Items]    
2018 (remainder of year) $ 1,880.8  
2019 1,556.8  
2020 324.4  
2021 2,968.8  
2022 748.5  
2023 983.4  
Thereafter 22,833.6  
Total debt maturities 31,296.3  
Deferred financing costs, discounts and premiums, net (150.6) $ (171.8)
Total debt 31,145.7  
Current portion 3,304.4  
Noncurrent portion 27,841.3  
Virgin Media    
Debt Instrument [Line Items]    
2018 (remainder of year) 1,255.2  
2019 1,140.2  
2020 80.8  
2021 1,350.0  
2022 396.0  
2023 957.1  
Thereafter 11,645.5  
Total debt maturities 16,824.8  
Deferred financing costs, discounts and premiums, net (54.8)  
Total debt 16,770.0  
Current portion 2,325.5  
Noncurrent portion 14,444.5  
UPC Holding    
Debt Instrument [Line Items]    
2018 (remainder of year) 281.9  
2019 230.3  
2020 21.5  
2021 22.0  
2022 19.0  
2023 13.8  
Thereafter 6,391.6  
Total debt maturities 6,980.1  
Deferred financing costs, discounts and premiums, net (50.2)  
Total debt 6,929.9  
Current portion 508.2  
Noncurrent portion 6,421.7  
Telenet    
Debt Instrument [Line Items]    
2018 (remainder of year) 330.2  
2019 142.0  
2020 14.5  
2021 12.5  
2022 12.3  
2023 12.5  
Thereafter 4,796.5  
Total debt maturities 5,320.5  
Deferred financing costs, discounts and premiums, net (21.3)  
Total debt 5,299.2  
Current portion 447.4  
Noncurrent portion 4,851.8  
Other    
Debt Instrument [Line Items]    
2018 (remainder of year) 13.5  
2019 44.3  
2020 207.6  
2021 1,584.3  
2022 321.2  
2023 0.0  
Thereafter 0.0  
Total debt maturities 2,170.9  
Deferred financing costs, discounts and premiums, net (24.3)  
Total debt 2,146.6  
Current portion 23.3  
Noncurrent portion $ 2,123.3