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NET INCOME PER SHARE
 6 Months Ended
Jun. 30, 2024
Earnings Per Share [Abstract]  
NET INCOME PER SHARE NET INCOME PER SHARE
Basic and diluted net income per share are calculated using the treasury stock method.
Three Months Ended
June 30,		Six Months Ended
June 30,
2024202320242023
Basic
Net income$889.9 $793.7 $1,395.1 $1,271.1 
Average shares outstanding251.0 256.0 251.8 256.3 
Basic net income per share$3.55 $3.10 $5.54 $4.96 
Diluted
Net income$889.9 $793.7 $1,395.1 $1,271.1 
Average shares outstanding assuming dilution:
Average shares outstanding251.0 256.0 251.8 256.3 
Stock options and other contingently issuable shares (1)
3.2 2.9 3.3 3.0 
Average shares outstanding assuming dilution254.2 258.9 255.1 259.3 
Diluted net income per share$3.50 $3.07 $5.47 $4.90 
(1)There were 0.1 million of stock options and other contingently issuable shares excluded due to their anti-dilutive effect for the three and six months ended June 30, 2024. There were 2.0 million and 2.8 million of stock options and other contingently issuable shares excluded due to their anti-dilutive effect for the three and six months ended June 30, 2023, respectively.