v3.26.3
Share-based Compensation (Awards Outstanding and Exercisable) (Details)
Sep. 30, 2026
$ / shares
shares
Held by Liberty Global employees | Options and SARs | Class A  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options outstanding (in shares) 34,013,771
Options outstanding, weighted average exercise or base price (in dollars per shares) | $ / shares $ 13.71
Options exercisable (in shares) 32,025,108
Options exercisable, weighted average exercise price or base price (in dollars per shares) | $ / shares $ 13.95
Held by Liberty Global employees | Options and SARs | Class C  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options outstanding (in shares) 78,890,352
Options outstanding, weighted average exercise or base price (in dollars per shares) | $ / shares $ 13.87
Options exercisable (in shares) 76,156,969
Options exercisable, weighted average exercise price or base price (in dollars per shares) | $ / shares $ 14.00
Held by Liberty Global employees | RSUs | Class A  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Other than options outstanding (in shares) 5,454,723
Held by Liberty Global employees | RSUs | Class B  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Other than options outstanding (in shares) 519,268
Held by Liberty Global employees | RSUs | Class C  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Other than options outstanding (in shares) 5,761,823
Held by Liberty Global employees | PSUs | Class A  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Other than options outstanding (in shares) 6,393,880
Held by Liberty Global employees | PSUs | Class B  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Other than options outstanding (in shares) 649,086
Held by Liberty Global employees | PSUs | Class C  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Other than options outstanding (in shares) 7,947,931
Held by former Liberty Global employees | Options and SARs | Class A  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options outstanding (in shares) 2,019,922
Options outstanding, weighted average exercise or base price (in dollars per shares) | $ / shares $ 15.58
Options exercisable (in shares) 2,019,922
Options exercisable, weighted average exercise price or base price (in dollars per shares) | $ / shares $ 15.58
Held by former Liberty Global employees | Options and SARs | Class C  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options outstanding (in shares) 4,006,748
Options outstanding, weighted average exercise or base price (in dollars per shares) | $ / shares $ 15.57
Options exercisable (in shares) 4,006,748
Options exercisable, weighted average exercise price or base price (in dollars per shares) | $ / shares $ 15.57
Held by former Liberty Global employees | RSUs | Class A  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Other than options outstanding (in shares) 4,731
Held by former Liberty Global employees | RSUs | Class B  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Other than options outstanding (in shares) 0
Held by former Liberty Global employees | RSUs | Class C  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Other than options outstanding (in shares) 4,731
Held by former Liberty Global employees | PSUs | Class A  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Other than options outstanding (in shares) 1,812
Held by former Liberty Global employees | PSUs | Class B  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Other than options outstanding (in shares) 0
Held by former Liberty Global employees | PSUs | Class C  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Other than options outstanding (in shares) 1,812