Annual report [Section 13 and 15(d), not S-K Item 405]

Stock-Based Compensation - Outstanding Awards and Exercises (Details)

v3.25.4
Stock-Based Compensation - Outstanding Awards and Exercises (Details) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Awards | Series B and C common stock      
Compensation cost not yet recognized      
Shares reserved for future issuance upon exercise of stock options 2,800,000    
Employee Stock Option      
Options      
Granted (in shares) 0    
Options additional disclosures      
Aggregate intrinsic value of options exercised during period $ 1 $ 52 $ 1
Compensation cost not yet recognized      
Unrecognized compensation cost options $ 4    
Period over which unrecognized compensation cost will be recognized 1 year    
Employee Stock Option | Series A common stock      
Options      
Outstanding at the end (in shares) 0    
Employee Stock Option | Series B common stock      
Options      
Forfeited/Cancelled (in shares) (83,000) (150,000) (69,000)
GCI Divestiture adjustment (in shares) 1,000    
Outstanding at the end (in shares) 14,000    
WAEP      
WAEP options forfeited/cancelled (in dollars per share) $ 93.13 $ 97.21 $ 97.21
WAEP options exercise price GCI divestiture adjustment (in dollars per share) 93.27    
WAEP Outstanding at the end (in dollars per share) $ 93.27    
Options additional disclosures      
Weighted average remaining contractual life outstanding 2 months 12 days    
Aggregate intrinsic value outstanding $ 0    
Employee Stock Option | Series C common stock      
Options      
Outstanding at the beginning (in shares) 2,649,000    
Exercised (in shares) (71,000)    
Forfeited/Cancelled (in shares) (12,000)    
GCI Divestiture adjustment (in shares) 192,000    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Other Increases (Decreases) in Period, Description GCI Divestiture adjustment    
Outstanding at the end (in shares) 2,758,000 2,649,000  
Exercisable at the end (in shares) 2,644,000    
WAEP      
WAEP Outstanding at the beginning (in dollars per share) $ 120.8    
WAEP options exercised (in dollars per share) 77.82    
WAEP options forfeited/cancelled (in dollars per share) 78.15    
WAEP options exercise price GCI divestiture adjustment (in dollars per share) 113.54    
WAEP Outstanding at the end (in dollars per share) 113.69 $ 120.8  
WAEP options exercisable (in dollars per share) $ 115.51    
Options additional disclosures      
Weighted average remaining contractual life outstanding 2 years 6 months    
Weighted average remaining contractual life exercisable 2 years 4 months 24 days