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EARNINGS PER SHARE - Schedule of Computation of Basic and Diluted Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Basic:    
Net income $ 338.2 $ 310.6
Weighted-average shares outstanding (in shares) 623.2 624.6
Basic earnings per share (in dollars per share) $ 0.54 $ 0.50
Diluted:    
Net income $ 338.2 $ 310.6
Weighted-average shares outstanding (in shares) 623.2 624.6
Dilutive effect of stock plans (in shares) 8.1 10.5
Dilutive weighted-average shares outstanding (in shares) 631.3 635.1
Diluted earnings per share (in dollars per share) $ 0.54 $ 0.49