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STOCK-BASED COMPENSATION - Stock Options (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Shares    
Granted (in shares) 337,790  
Stock options    
Shares    
Outstanding at the beginning of the period (in shares) 3,000,000 2,000,000
Granted (in shares) 0 1,000,000
Exercised (in shares) 0 0
Forfeited (in shares) 0 0
Outstanding at the end of the period (in shares) 3,000,000 3,000,000
Exercisable at the end of the period (in shares) 2,000,000 2,000,000
Weighted average exercise price    
Outstanding at the beginning of the period (in dollars per share) $ 37 $ 33
Granted (in dollars per share) 59 56
Exercised (in dollars per share) 38 0
Forfeited (in dollars per share) 37 11
Outstanding at the end of the period (in dollars per share) 39 36
Exercisable at the end of the period (in dollars per share) $ 34 $ 30
Aggregate intrinsic value    
Exercised $ 0 $ 0
Exercisable at the end of the period $ 36 $ 51
Weighted average remaining option term    
Outstanding at the end of the period 6 years 7 years
Vested and expected to vest at the end of the period 6 years 6 years
Exercisable at the end of the period 5 years 5 years
Vested and expected to vest at the end of the period (in shares) 3,000,000 3,000,000
Vested and expected to vest at the end of the period (in dollars per share) $ 39 $ 36
Vested and expected to vest at the end of the period $ 40 $ 65