ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Reclassification out of AOCI (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2023	Feb. 28, 2022
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Other (income) expense, net	$ 58	$ 94	$ 283	$ 235
Revenues	12,390	10,871	38,392	34,476
Cost of sales	(7,019)	(5,804)	(21,695)	(18,500)
Demand creation expense	(923)	(854)	(2,968)	(2,789)
Interest expense (income), net	7	(53)	(22)	(165)
Income before income taxes	1,477	1,670	4,955	5,277
Tax (expense) benefit	(237)	(274)	(916)	(670)
AMOUNT OF GAIN (LOSS) RECLASSIFIED FROM ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) INTO INCOME
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Total net gain (loss) reclassified for the period	228	37	311	(72)
Gains (losses) on foreign currency translation adjustment | AMOUNT OF GAIN (LOSS) RECLASSIFIED FROM ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) INTO INCOME
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Other (income) expense, net	(3)	0	(374)	0
Income before income taxes	(3)	0	(374)	0
Tax (expense) benefit	0	0	16	0
Total net gain (loss) reclassified for the period	(3)	0	(358)	0
Gain (losses) on cash flow hedges | AMOUNT OF GAIN (LOSS) RECLASSIFIED FROM ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) INTO INCOME
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Other (income) expense, net	90	45	297	56
Revenues	14	(22)	9	(63)
Cost of sales	182	17	464	(79)
Demand creation expense	(1)	0	(4)	1
Interest expense (income), net	(2)	(2)	(6)	(5)
Income before income taxes	283	38	760	(90)
Tax (expense) benefit	(29)	(5)	(82)	4
Total net gain (loss) reclassified for the period	254	33	678	(86)
OTHER | AMOUNT OF GAIN (LOSS) RECLASSIFIED FROM ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) INTO INCOME
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Other (income) expense, net	(32)	5	(12)	19
Income before income taxes	(32)	5	(12)	19
Tax (expense) benefit	9	(1)	3	(5)
Total net gain (loss) reclassified for the period	$ (23)	$ 4	$ (9)	$ 14