INCOME TAXES (Details) - USD ($) $ in Millions	9 Months Ended
Feb. 28, 2025	Feb. 29, 2024	May 31, 2024
Income Tax Disclosure [Abstract]
Effective income tax rate	15.70%	15.60%
Deferred foreign income tax benefit	$ 133
Total gross unrecognized tax benefits, excluding related interest and penalties	1,004		$ 990
Total gross unrecognized tax benefits, excluding related interest and penalties, amount which would affect the Company's effective tax rate if recognized in future periods	737
Accrued interest and penalties related to uncertain tax positions (excluding federal benefit)	363		$ 332
Estimated decrease in total gross unrecognized tax benefits as a result of resolutions of global tax examinations and expiration of applicable statutes of limitations	$ 226

Effective Income Tax Rate Reconciliation, Subpart F Deferred Tax Expense (Benefit), Amount

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- Definition

Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of unrecognized tax benefits.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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