INTANGIBLE ASSETS (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Feb. 28, 2022	Feb. 28, 2021	Feb. 28, 2022	Feb. 28, 2021	May 31, 2021
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross		$ 11,143		$ 11,143		$ 11,003
Additions & Adjustments, net	[1]			140
Accumulated Amortization,		(9,455)		(9,455)		(8,573)
Expense		(279)	$ (347)	(882)	$ (1,037)
Intangible Assets, Net		1,688		1,688		2,430
Developed technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross		4,382		4,382		4,237
Additions & Adjustments, net	[1]			145
Accumulated Amortization,		(3,985)		(3,985)		(3,621)
Expense				(364)
Intangible Assets, Net		397		$ 397		616
Weighted Average Useful Life	[2]			3 years
Cloud services and license support agreements and related relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross		5,492		$ 5,492		5,497
Additions & Adjustments, net	[1]			(5)
Accumulated Amortization,		(4,289)		(4,289)		(3,834)
Expense				(455)
Intangible Assets, Net		1,203		1,203		1,663
Other [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross		1,269		1,269		1,269
Additions & Adjustments, net	[1]			0
Accumulated Amortization,		(1,181)		(1,181)		(1,118)
Expense				(63)
Intangible Assets, Net		$ 88		$ 88		$ 151

[1] ^{Amounts also included any changes in intangible asset balances for the periods presented that resulted from foreign currency translations.}

[2] ^{Represents weighted-average useful lives (in years) of intangible assets acquired during fiscal 2022.}