v3.22.1
Stockholders' Equity - SAR and Option Activity (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Weighted-Average Exercise Price Per Share    
Weighted-Average Exercise Price Per Share, Outstanding (in dollars per share) $ 11.84  
Weighted-Average Exercise Price Per Share, Granted (in dollars per share) 33.89  
Weighted-Average Exercise Price Per Share, Awards exercised (in dollars per share) 5.20  
Weighted-Average Exercise Price Per Share, Awards canceled and forfeited (in dollars per share) 14.17  
Weighted-Average Exercise Price Per Share, Outstanding (in dollars per share) 12.51 $ 11.84
Weighted-Average Exercise Price Per Share, Vested and expected to vest (in dollars per share) 8.31  
Weighted-Average Exercise Price Per Share, Exercisable (in dollars per share) $ 8.31  
Weighted-Average Remaining Contractual Life (in years)    
Weighted-Average Contractual Life, Outstanding (in years) 4 years 1 month 6 days 4 years 4 months 6 days
Weighted-Average Contractual Life, Vested and expected to vest (in years) 3 years 4 months 9 days  
Weighted-Average Contractual Life, Exercisable (in years) 3 years 4 months 9 days  
Aggregate Intrinsic Value, Outstanding $ 558 $ 735
Aggregate Intrinsic Value, Vested and expected to vest 473  
Aggregate Intrinsic Value, Exercisable $ 473  
SARs Outstanding Number of SARs    
SARs Outstanding Number of SARs    
Shares outstanding (in shares) 157  
Granted (in shares) 4  
Awards exercised (in shares) (3)  
Awards Canceled and Forfeited (in shares) 0  
Shares outstanding (in shares) 158 157
Vested and expected to vest (in shares) 141  
Exercisable (in shares) 141  
Options    
Options Outstanding Number of Shares    
Options outstanding (in shares) 24,253  
Granted (in shares) 421  
Awards exercised (in shares) (999)  
Awards canceled and forfeited (in shares) (88)  
Options outstanding (in shares) 23,587 24,253
Vested and expected to vest (in shares) 17,045  
Exercisable (in shares) 17,045