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STOCK-BASED COMPENSATION - Schedule of Restricted Stock Unit and Stock Option Activity (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Number of Shares (in millions)      
Outstanding at beginning of period (in shares) 62    
Granted (in shares) 2    
Vested / Exercised (in shares) (3)    
Forfeited / Cancelled (in shares) (1)    
Outstanding at end of period (in shares) 60 62  
Vested and expected to vest (in shares) 60    
Exercisable (in shares) 32    
Weighted-Average Exercise Price      
Outstanding at beginning of period (in dollars per share) $ 13.49    
Granted (in dollars per share) 11.13    
Vested / Exercised (in dollars per share) 3.87    
Forfeited / Cancelled (in dollars per share) 25.26    
Outstanding at end of period (in dollars per share) 13.60 $ 13.49  
Vested and expected to vest (in dollars per share) 13.60    
Exercisable (in dollars per share) $ 7.14    
Weighted-Average Remaining Contractual Life (in years)      
Outstanding (in years) 5 years 2 months 12 days    
Vested and expected to vest (in years) 5 years 2 months 12 days    
Exercisable (in years) 4 years 1 month 6 days    
Aggregate Intrinsic Value (in millions)      
Outstanding $ 249    
Vested and expected to vest 249    
Exercisable $ 243    
RSUs      
Number of Shares (in millions)      
Outstanding at beginning of period (in shares) 56    
Granted (in shares) 78    
Vested / Exercised (in shares) (59)    
Forfeited / Cancelled (in shares) (14)    
Outstanding at end of period (in shares) 61 56  
Vested and expected to vest (in shares) 61    
Weighted-Average Grant-Date Fair Value      
Outstanding at beginning of period (in dollars per share) $ 22.36    
Granted (in dollars per share) 10.50 $ 15.25 $ 35.87
Vested / Exercised (in dollars per share) 16.12    
Forfeited / Cancelled (in dollars per share) 18.90    
Outstanding at end of period (in dollars per share) 14.10 $ 22.36  
Vested and expected to vest (in dollars per share) $ 14.10    
Aggregate Intrinsic Value (in millions)      
Exercisable (in shares) 0    
Exercisable (in dollars per share) $ 0