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SHAREHOLDERS' EQUITY - Common Stock Repurchase Program (Details)
shares in Millions
Dec. 31, 2020
USD ($)
shares
August 2018 ASR Agreement  
Line of Credit Facility [Line Items]  
Stock repurchase program, authorized amount | $ $ 450,000,000.0
Shares Delivered (in shares) | shares 7.9
November 2018 ASR Agreement  
Line of Credit Facility [Line Items]  
Stock repurchase program, authorized amount | $ $ 475,000,000.0
Shares Delivered (in shares) | shares 8.3
March 2019 ASR Agreement  
Line of Credit Facility [Line Items]  
Stock repurchase program, authorized amount | $ $ 450,000,000.0
Shares Delivered (in shares) | shares 7.8
June 2019 ASR Agreement  
Line of Credit Facility [Line Items]  
Stock repurchase program, authorized amount | $ $ 500,000,000.0
Shares Delivered (in shares) | shares 8.1
September 2019 ASR Agreement  
Line of Credit Facility [Line Items]  
Stock repurchase program, authorized amount | $ $ 500,000,000.0
Shares Delivered (in shares) | shares 7.8