BASIS OF PRESENTATION, RECENT ACCOUNTING PRONOUNCEMENTS AND OTHER (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
	Mar. 05, 2024	Feb. 28, 2025	Feb. 29, 2024	Feb. 28, 2025	Feb. 29, 2024	May 31, 2024
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Non-marketable debt investments and equity securities and related instruments		$ 2,000		$ 2,000		$ 2,000
Right-of-Use (ROU) assets		11,700		11,700		7,300
ROU assets related to our finance lease		894		894		0
Total operating lease liabilities		12,000		12,000		7,500
Total finance lease liabilities		900		900		$ 0
Operating and finance lease expenses		454	$ 324	1,200	$ 840
Operating lease payments and interest payments on finance leases				1,200	839
Additional operating lease commitments		48,400		48,400
Acquisition Related and Other Expenses [Abstract]
Transitional and other employee related costs		0	5	3	17
Business combination adjustments, net		1	4	(4)	17
Other, net		27	146	73	180
Total acquisition related and other expenses		28	155	72	214
Non-Operating Income (Expenses), net [Abstract]
Interest income		135	111	418	380
Foreign currency losses, net		(37)	(59)	(96)	(172)
Noncontrolling interests in income		(48)	(51)	(138)	(130)
Losses from marketable and non-marketable investments, net		(59)	(94)	(236)	(290)
Other (expenses) income, net		(9)	84	91	140
Total non-operating (expenses) income, net		$ (18)	$ (9)	$ 39	$ (72)
Minimum
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Operating leases not yet commenced, terms		10 years		10 years
Maximum
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Operating leases not yet commenced, terms		15 years		15 years
Ampere [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Non-marketable debt investments and equity securities and related instruments		$ 1,500		$ 1,500
Ownership interest, percent		29.00%		29.00%
Investment in convertible debt instruments				$ 225
Additional equity interest acquisition, exercise date	2027-01
Ampere [Member] | Minimum
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Option excercise price to acquire equity interest	$ 450
Ampere [Member] | Maximum
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Option excercise price to acquire equity interest	$ 1,500
Ampere [Member] | Convertible Debt Investments [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Investment maturity, month and year	2026-06