v3.26.1
Equity (Details)
$ / shares in Units, $ in Millions, ₡ in Billions
3 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2026
USD ($)
Jun. 30, 2026
USD ($)
shares
Jan. 29, 2027
USD ($)
Jan. 29, 2027
CRC (₡)
May 31, 2026
$ / shares
Jan. 30, 2026
Dec. 31, 2025
shares
May 31, 2025
$ / shares
shares
May 07, 2024
USD ($)
Class of Stock [Line Items]                  
Stock repurchased program, remaining authorized repurchase amount   $ 172.0              
Liberty Costa Rica                  
Class of Stock [Line Items]                  
Ownership interest (as a percent)           8.50%      
Liberty Costa Rica | Payment One                  
Class of Stock [Line Items]                  
Payments to acquire equity method investments $ 53.0                
Liberty Costa Rica | Forecast                  
Class of Stock [Line Items]                  
Payments to acquire equity method investments     $ 84.0            
Liberty Costa Rica | Forecast | Payment One                  
Class of Stock [Line Items]                  
Payments to acquire equity method investments     18.0 ₡ 8          
Liberty Costa Rica | Forecast | Payment Two                  
Class of Stock [Line Items]                  
Payments to acquire equity method investments     $ 15.0            
Common Class A And Common Class C                  
Class of Stock [Line Items]                  
Stock repurchased program authorized amount                 $ 200.0
Common Class A                  
Class of Stock [Line Items]                  
Stock repurchased program authorized amount   1.3              
Common Class C                  
Class of Stock [Line Items]                  
Stock repurchased program authorized amount   $ 2.4              
Series A Preference Shares                  
Class of Stock [Line Items]                  
Preferred stock, shares issued (in shares) | shares   20,100,000         0 0.1  
Liquidation price (in dollars per share) | $ / shares         $ 25     $ 25  
Dividend rate   9.00%              
Aggregate liquidation (in percent)   25.00%