ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Changes in AOCI (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2023	Nov. 30, 2022
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 13,971	$ 15,822	$ 14,004	$ 15,281
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	96	(117)	109	324
Reclassifications to net income of previously deferred (gains) losses	(111)	40	(219)	(83)
Total other comprehensive income (loss), net of tax	(15)	(77)	(110)	241
Ending balance	14,146	15,272	14,146	15,272
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	136	636	231	318
Other comprehensive income (loss):
Total other comprehensive income (loss), net of tax	(15)	(77)	(110)	241
Ending balance	121	559	121	559
FOREIGN CURRENCY TRANSLATION ADJUSTMENT
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(217)	(746)	(253)	(520)
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	37	45	73	(227)
Reclassifications to net income of previously deferred (gains) losses	2	309	2	355
Total other comprehensive income (loss), net of tax	39	354	75	128
Ending balance	(178)	(392)	(178)	(392)
CASH FLOW HEDGES
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	297	1,334	431	779
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	48	(138)	25	578
Reclassifications to net income of previously deferred (gains) losses	(103)	(263)	(214)	(424)
Total other comprehensive income (loss), net of tax	(55)	(401)	(189)	154
Ending balance	242	933	242	933
NET INVESTMENT HEDGES
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	115	115	115	115
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	0	0	0	0
Reclassifications to net income of previously deferred (gains) losses	0	0	0	0
Total other comprehensive income (loss), net of tax	0	0	0	0
Ending balance	115	115	115	115
OTHER
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(59)	(67)	(62)	(56)
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	11	(24)	11	(27)
Reclassifications to net income of previously deferred (gains) losses	(10)	(6)	(7)	(14)
Total other comprehensive income (loss), net of tax	1	(30)	4	(41)
Ending balance	$ (58)	$ (97)	$ (58)	$ (97)