v3.26.1
Equity Compensation Plans and Other Incentive Compensation - Stock Option Activity (Parenthetical) (Detail) - shares
shares in Millions
May 31, 2026
May 31, 2025
May 31, 2024
May 31, 2023
Share-Based Payment Arrangement [Abstract]        
Options Exercisable, Number 2.7 2.1 1.5 1.4