STOCK-BASED COMPENSATION - Total Stock-Based Compensation Expense (Details) - Class B Common Stock - USD ($) $ in Millions	3 Months Ended
Aug. 31, 2025	Aug. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 185	$ 183
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	76	71
ESPPs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	15	13
Restricted stock and restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 94	$ 99

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details