v3.26.1
Debt (Maturities of Debt) (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Debt Instrument [Line Items]    
2026 (remainder of year) $ 458.1  
2027 203.5  
2028 4,386.9  
2029 2,332.7  
2030 26.0  
2031 26.5  
Thereafter 909.4  
Total debt maturities 8,343.1 $ 8,584.8
Deferred financing costs, discounts and premiums, net (21.4)  
Total debt 8,321.7  
Current portion 614.4  
Long-term portion 7,707.3  
Telenet    
Debt Instrument [Line Items]    
2026 (remainder of year) 414.7  
2027 180.7  
2028 4,386.9  
2029 1,292.2  
2030 26.0  
2031 26.5  
Thereafter 831.0  
Total debt maturities 7,158.0  
Deferred financing costs, discounts and premiums, net (11.6)  
Total debt 7,146.4  
Current portion 571.0  
Long-term portion 6,575.4  
VM Ireland    
Debt Instrument [Line Items]    
2026 (remainder of year) 0.0  
2027 0.0  
2028 0.0  
2029 1,027.3  
2030 0.0  
2031 0.0  
Thereafter 0.0  
Total debt maturities 1,027.3  
Deferred financing costs, discounts and premiums, net (3.1)  
Total debt 1,024.2  
Current portion 0.0  
Long-term portion 1,024.2  
Other    
Debt Instrument [Line Items]    
2026 (remainder of year) 43.4  
2027 22.8  
2028 0.0  
2029 13.2  
2030 0.0  
2031 0.0  
Thereafter 78.4  
Total debt maturities 157.8  
Deferred financing costs, discounts and premiums, net (6.7)  
Total debt 151.1  
Current portion 43.4  
Long-term portion $ 107.7