ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Millions	12 Months Ended
	May 31, 2025	May 31, 2024	May 31, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 14,430	$ 14,004	$ 15,281
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	5	250
Reclassifications to net income of previously deferred (gains) losses	(316)	(428)
Total other comprehensive income (loss), net of tax	(311)	(178)	(87)
Ending balance	13,213	14,430	14,004
TOTAL
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	53	231	318
Other comprehensive income (loss):
Total other comprehensive income (loss), net of tax	(311)	(178)	(87)
Ending balance	(258)	53	231
FOREIGN CURRENCY TRANSLATION ADJUSTMENT
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(256)	(253)
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	142	(4)
Reclassifications to net income of previously deferred (gains) losses	0	1
Total other comprehensive income (loss), net of tax	142	(3)
Ending balance	(114)	(256)	(253)
CASH FLOW HEDGES
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	247	431
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	(132)	239
Reclassifications to net income of previously deferred (gains) losses	(322)	(423)
Total other comprehensive income (loss), net of tax	(454)	(184)
Ending balance	(207)	247	431
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	115
OTHER
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(53)	(62)
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	(5)	15
Reclassifications to net income of previously deferred (gains) losses	6	(6)
Total other comprehensive income (loss), net of tax	1	9
Ending balance	$ (52)	$ (53)	$ (62)