v3.25.3
Stock-Based Compensation (Details) - USD ($)
shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Stock-Based Compensation        
Shares of GCI 5.0   5.0  
Expiration Period     5 years  
Stock-based compensation expense $ 2 $ 4 $ 9 $ 11
Minimum        
Stock-Based Compensation        
Vesting period     1 year  
Maximum        
Stock-Based Compensation        
Vesting period     5 years