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EQUITY AND EQUITY COMPENSATION - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Class of Stock [Line Items]        
Capital stock, shares authorized (shares) 2,000,000,000      
Common stock, authorized (shares) 1,500,000,000 1,500,000,000    
Common stock, par value (USD per share) $ 0.0001 $ 0.0001    
Preferred stock, shares authorized (shares) 500,000,000      
Treasury stock weighted average cost per share (USD per share) $ 29.73 $ 28.87    
Number of shares authorized for issuance under the Plan (shares) 163,000,000      
Shares available for future grant 17,000,000      
Equity compensation expense $ 150 $ 149 $ 119  
Compensation cost not yet recognized $ 83      
Outstanding stock option awards (shares) 6,200,000 6,200,000 5,400,000 3,900,000
Weighted average exercise price of options outstanding (USD per share) $ 50.40 $ 50.41 $ 52.37 $ 49.57
Number of exercisable stock option awards (shares) 5,100,000      
Restricted stock awards        
Class of Stock [Line Items]        
Unvested restricted stock awards (shares) 3,100,000 2,900,000 2,200,000 2,600,000
Stock options        
Class of Stock [Line Items]        
Term of award (in years) 10 years      
Performance awards        
Class of Stock [Line Items]        
Shares available for future grant 700,000 1,500,000 2,200,000  
Performance period (in years) 3 years      
Performance awards | Minimum        
Class of Stock [Line Items]        
Potential performance award payments as percentage of target level 0.00%      
Performance awards | Maximum        
Class of Stock [Line Items]        
Potential performance award payments as percentage of target level 200.00%      
Performance-Based Restricted Stock Units        
Class of Stock [Line Items]        
Shares available for future grant 1,300,000      
Performance period (in years) 3 years      
Performance-Based Restricted Stock Units | Minimum        
Class of Stock [Line Items]        
Potential performance award payments as percentage of target level 0.00%      
Performance-Based Restricted Stock Units | Maximum        
Class of Stock [Line Items]        
Potential performance award payments as percentage of target level 300.00%      
PSP Warrants | Payroll Support Program        
Class of Stock [Line Items]        
Number shares called by warrants (in shares)   11,100,000