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STOCKHOLDERS’ EQUITY - Stock Options Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Stockholders Equity Note [Line Items]      
Percentage of common stock retained 100.00%    
Employee stock option      
Stockholders Equity Note [Line Items]      
Target service period 3 years    
Stock repurchase program, period in force 6 months    
Stock options granted contractual term 10 years    
Total intrinsic value of stock options exercised $ 78,000,000 $ 131,000,000 $ 272,000,000
Unrecognized compensation cost related to all unvested $ 60,000,000    
Weighted-average period for all unvested 1 year 8 months 12 days