v3.26.1
Stock-Based Compensation Plans (Stock Option Activity) (Details) - Stock Options [Member]
$ / shares in Units, shares in Millions, $ in Millions
 12 Months Ended
May 31, 2026
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding, Beginning balance, Shares subject to options | shares 3.0
Granted, Shares subject to options | shares 0.3
Exercised, Shares subject to options | shares (0.5)
Forfeited, Shares subject to options | shares 0.0
Outstanding, Ending balance, Shares subject to options | shares 2.8
Exercisable, Shares subject to options | shares 2.2
Outstanding, Beginning balance, Weighted-average exercise price per share | $ / shares $ 84.33
Granted, Weighted-average exercise price per share | $ / shares 139.25
Exercised, Weighted-average exercise price per share | $ / shares 60.85
Forfeited, Weighted-average exercise price per share | $ / shares 135.10
Outstanding, Ending balance, Weighted-average exercise price per share | $ / shares 93.76
Exercisable, Weighted-average exercise price per share | $ / shares $ 84.85
Outstanding, Weighted-average remaining contractual term (years) 4 years 4 months 24 days
Exercisable, Weighted-average remaining contractual term (years) 3 years 6 months
Outstanding, Aggregate intrinsic value | $ $ 40.8
Exercisable, Aggregate intrinsic value | $ $ 40.8