v3.25.2
Share-based Compensation (Share-Based Compensation Expense) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense $ 49.4 $ 43.4 $ 82.8 $ 82.4
Percent of annual incentive compensation receivable in shares 100.00%   100.00%  
Other operating expense        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense $ 3.5 4.8 $ 6.4 9.4
SG&A expense        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense 45.9 38.6 76.4 73.0
Liberty Global        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense 45.5 40.1 78.9 77.9
Non-performance based incentive awards | Liberty Global        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense 21.3 27.8 43.1 56.1
Performance-based incentive awards | Liberty Global        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense 15.4 4.9 20.9 7.0
Other | Liberty Global        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense 8.8 7.4 14.9 14.8
Other        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense $ 3.9 $ 3.3 $ 3.9 $ 4.5