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. 29, 2024
Feb. 28, 2023
Feb. 29, 2024
Feb. 28, 2023
Basic earnings per share:        
Net income $ 498.6 $ 467.4 $ 1,310.5 $ 1,206.9
Weighted-average common shares outstanding 359.9 360.5 360.4 360.3
Basic earnings per share $ 1.39 $ 1.30 $ 3.64 $ 3.35
Diluted earnings per share:        
Net income $ 498.6 $ 467.4 $ 1,310.5 $ 1,206.9
Weighted-average common shares outstanding 359.9 360.5 360.4 360.3
Dilutive effect of common share equivalents 1.8 1.8 1.8 2.0
Weighted-average common shares outstanding, assuming dilution 361.7 362.3 362.2 362.3
Diluted earnings per share $ 1.38 $ 1.29 $ 3.62 $ 3.33
Weighted-average anti-dilutive common share equivalents 0.6 0.7 0.6 0.7