Quarterly report pursuant to Section 13 or 15(d)

Basic and Diluted Earnings Per Share (Basic and Diluted Earnings Per Share) (Details)

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Basic and Diluted Earnings Per Share (Basic and Diluted Earnings Per Share) (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
Feb. 28, 2022
Feb. 28, 2021
Feb. 28, 2022
Feb. 28, 2021
Basic earnings per share:        
Net income $ 430.7 $ 350.5 $ 1,096.4 $ 834.5
Weighted-average common shares outstanding 360.9 360.6 360.6 359.8
Basic earnings per share $ 1.19 $ 0.97 $ 3.04 $ 2.32
Diluted earnings per share:        
Net income $ 430.7 $ 350.5 $ 1,096.4 $ 834.5
Weighted-average common shares outstanding 360.9 360.6 360.6 359.8
Dilutive effect of common share equivalents 2.5 2.2 2.5 2.2
Weighted-average common shares outstanding, assuming dilution 363.4 362.8 363.1 362.0
Diluted earnings per share $ 1.19 $ 0.97 $ 3.02 $ 2.31
Weighted-average anti-dilutive common share equivalents 0.3   0.3 0.7