SEGMENT INFORMATION - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
May 31, 2025	May 31, 2024	May 31, 2023
Segment Reporting, Asset Reconciling Item [Line Items]
Revenues	$ 46,309	$ 51,362	$ 51,217
United States
Segment Reporting, Asset Reconciling Item [Line Items]
Revenues	$ 19,725	$ 21,551	$ 22,007

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details