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Stock-Based Compensation and Stockholder's Equity - Schedule of Share-based Compensation, Stock Options Activity (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Options      
Outstanding at the beginning of the period (in shares) 176,724    
Exercised (in shares) (114,884) (70,608) 0
Forfeited (in shares) (1,233)    
Expired (in shares) (16,702)    
Outstanding at the end of the period (in shares) 43,905 176,724  
Vested and expected to vest (in shares) 43,905    
Exercisable (in shares) 42,610    
Weighted-Average Exercise Price      
Outstanding at the beginning of the period (in dollars per share) $ 22.57    
Exercised (in dollars per share) 22.64    
Forfeited (in dollars per share) 26.65    
Expired (in dollars per share) 26.67    
Outstanding at the end of the period (in dollars per share) 20.69 $ 22.57  
Vested and expected to vest (in dollars per share) 20.69    
Exercisable (in dollars per share) $ 20.84    
Weighted Average Remaining Contractual Term (years)      
Outstanding (in years) 1 year 18 days 1 year 8 months 15 days  
Vested and expected to vest (in years) 1 year 18 days    
Exercisable (in years) 1 year 18 days    
Aggregate Intrinsic Value (in millions)      
Outstanding $ 3 $ 9  
Vested and expected to vest 3    
Exercisable $ 3