STOCK-BASED COMPENSATION - Total Stock-Based Compensation Expense (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2023	Nov. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Tax benefit related to stock-based compensation expense	$ 1	$ 2	$ 18	$ 22
Class B Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	206	194	402	364
Class B Common Stock | Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	88	79	164	154
Class B Common Stock | ESPPs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	17	18	38	33
Class B Common Stock | Restricted stock and restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 101	$ 97	$ 200	$ 177
Stock Incentive Plan | Class B Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant (in shares)	798,000,000		798,000,000