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EARNINGS PER SHARE (Tables)
9 Months Ended
Sep. 30, 2021
Earnings Per Share [Abstract]  
Schedule of Computation of Basic and Diluted Earnings Per Share
The table below presents the computation of basic and diluted earnings per share (in millions, except for per share information):
 Three Months Ended
September 30,
Nine Months Ended
September 30,
 2021202020212020
Basic:    
Net income$340.1 $325.2 $1,167.8 $513.9 
Weighted-average shares outstanding623.6 622.1 623.0 622.3 
Basic earnings per share$0.55 $0.52 $1.87 $0.83 
Diluted:    
Net income$340.1 $325.2 $1,167.8 $513.9 
Weighted-average shares outstanding623.6 622.1 623.0 622.3 
Dilutive effect of stock plans8.1 8.9 8.0 6.5 
Dilutive weighted-average shares outstanding631.7 631.0 631.0 628.8 
Diluted earnings per share$0.54 $0.52 $1.85 $0.82