ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Millions	3 Months Ended
	Aug. 31, 2025	Aug. 31, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	$ 13,213	$ 14,430
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	(19)	(7)
Reclassifications to net income of previously deferred (gains) losses	(31)	(73)
Total other comprehensive income (loss), net of tax	(50)	(80)
Ending Balance	13,468	13,944
TOTAL
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(258)	53
Other comprehensive income (loss):
Total other comprehensive income (loss), net of tax	(50)	(80)
Ending Balance	(308)	(27)
FOREIGN CURRENCY TRANSLATION ADJUSTMENT
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(114)	(256)
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	134	137
Reclassifications to net income of previously deferred (gains) losses	0	1
Total other comprehensive income (loss), net of tax	134	138
Ending Balance	20	(118)
CASH FLOW HEDGES
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(207)	247
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	(155)	(151)
Reclassifications to net income of previously deferred (gains) losses	(31)	(76)
Total other comprehensive income (loss), net of tax	(186)	(227)
Ending Balance	(393)	20
NET INVESTMENT HEDGES
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	115	115
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	0	0
Reclassifications to net income of previously deferred (gains) losses	0	0
Total other comprehensive income (loss), net of tax	0	0
Ending Balance	115	115
OTHER
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(52)	(53)
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	2	7
Reclassifications to net income of previously deferred (gains) losses	0	2
Total other comprehensive income (loss), net of tax	2	9
Ending Balance	$ (50)	$ (44)