INCOME TAXES - Components of (Provision for) Benefit from Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	May 31, 2023	May 31, 2022	May 31, 2021
Provision for Income Taxes [Abstract]
Federal	$ (625)	$ (709)	$ (516)
State	(398)	(186)	(233)
Foreign	(1,767)	(1,183)	(929)
Total current provision	(2,790)	(2,078)	(1,678)
Federal	2,193	1,661	(8,631)
State	398	139	77
Foreign	(424)	(654)	10,979
Total deferred benefit	2,167	1,146	2,425
Total (provision for) benefit from income taxes	$ (623)	$ (932)	$ 747
Effective income tax expense (benefit) rate	6.80%	12.20%	(5.70%)