Common Stock and Stock-Based Compensation - Stock Option Transactions Under Plan (Detail) - Stock Incentive Plan shares in Millions	12 Months Ended
	May 31, 2022 $ / shares shares
Options Outstanding - Shares
Beginning Balance (in shares) | shares	78.3
Exercised (in shares) | shares	(17.1)
Forfeited (in shares) | shares	(2.5)
Granted (in shares) | shares	9.3
Ending Balance (in shares) | shares	68.0
Options exercisable (in shares) | shares	40.3
Options Outstanding - Weighted-Average Option Price
Beginning Balance (in dollars per share) | $ / shares	$ 72.88
Exercised (in dollars per share) | $ / shares	54.32
Forfeited (in dollars per share) | $ / shares	114.89
Granted (in dollars per share) | $ / shares	164.91
Ending Balance (in dollars per share) | $ / shares	88.66
Options exercisable (in dollars per share) | $ / shares	$ 68.15