ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 28, 2025	Feb. 29, 2024	Feb. 28, 2025	Feb. 29, 2024
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	$ 14,037	$ 14,146	$ 14,430	$ 14,004
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	152	97	417	206
Reclassifications to net income of previously deferred (gains) losses	(91)	(93)	(207)	(312)
Total other comprehensive income (loss), net of tax	61	4	210	(106)
Ending Balance	14,007	14,226	14,007	14,226
TOTAL
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	202	121	53	231
Other comprehensive income (loss):
Total other comprehensive income (loss), net of tax	61	4	210	(106)
Ending Balance	263	125	263	125
FOREIGN CURRENCY TRANSLATION ADJUSTMENT
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	(342)	(178)	(256)	(253)
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	(57)	(57)	(143)	16
Reclassifications to net income of previously deferred (gains) losses	0	0	0	2
Total other comprehensive income (loss), net of tax	(57)	(57)	(143)	18
Ending Balance	(399)	(235)	(399)	(235)
CASH FLOW HEDGES
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	470	242	247	431
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	205	150	546	175
Reclassifications to net income of previously deferred (gains) losses	(86)	(100)	(204)	(314)
Total other comprehensive income (loss), net of tax	119	50	342	(139)
Ending Balance	589	292	589	292
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	(41)	(58)	(53)	(62)
Other comprehensive income (loss):
Other comprehensive gains (losses) before reclassifications	4	4	14	15
Reclassifications to net income of previously deferred (gains) losses	(5)	7	(3)	0
Total other comprehensive income (loss), net of tax	(1)	11	11	15
Ending Balance	$ (42)	$ (47)	$ (42)	$ (47)