INCOME TAXES - Components of Deferred Tax Liabilities and Assets (Details) - USD ($) $ in Millions	May 31, 2026	May 31, 2025
Components of Deferred Tax Assets [Abstract]
Accruals and allowances	$ 1,195	$ 790
Employee compensation and benefits	1,006	1,068
Differences in timing of revenue recognition	970	894
Lease liabilities	9,333	3,279
Basis of property, plant and equipment and intangible assets	6,882	7,800
Capitalized research and development	5,784	4,153
Tax credit and net operating loss carryforwards	6,602	5,857
Total deferred tax assets	31,772	23,841
Valuation allowance	(2,483)	(1,962)
Total deferred tax assets, net	29,289	21,879
Components of Deferred Tax Liabilities [Abstract]
Acquired intangible assets	(544)	(920)
GILTI deferred	(6,852)	(6,949)
ROU assets	(9,181)	(3,207)
Withholding taxes on foreign earnings	(424)	(364)
Other	(1,069)	(191)
Total deferred tax liabilities	(18,070)	(11,631)
Net deferred tax assets	$ 11,219	$ 10,248