ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Changes in AOCI (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 29, 2024	Feb. 28, 2023	Feb. 29, 2024	Feb. 28, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 14,146	$ 15,272	$ 14,004	$ 15,281
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	97	(29)	206	295
Reclassifications to net income of previously deferred (gains) losses	(93)	(228)	(312)	(311)
Total other comprehensive income (loss), net of tax	4	(257)	(106)	(16)
Ending balance	14,226	14,531	14,226	14,531
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	121	559	231	318
Other comprehensive income (loss):
Total other comprehensive income (loss), net of tax	4	(257)	(106)	(16)
Ending balance	125	302	125	302
FOREIGN CURRENCY TRANSLATION ADJUSTMENT
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(178)	(392)	(253)	(520)
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	(57)	150	16	(77)
Reclassifications to net income of previously deferred (gains) losses	0	3	2	358
Total other comprehensive income (loss), net of tax	(57)	153	18	281
Ending balance	(235)	(239)	(235)	(239)
CASH FLOW HEDGES
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	242	933	431	779
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	150	(179)	175	399
Reclassifications to net income of previously deferred (gains) losses	(100)	(254)	(314)	(678)
Total other comprehensive income (loss), net of tax	50	(433)	(139)	(279)
Ending balance	292	500	292	500
NET INVESTMENT HEDGES
AOCI Attributable to Parent, Net of Tax [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
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(58)	(97)	(62)	(56)
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	4	0	15	(27)
Reclassifications to net income of previously deferred (gains) losses	7	23	0	9
Total other comprehensive income (loss), net of tax	11	23	15	(18)
Ending balance	$ (47)	$ (74)	$ (47)	$ (74)