GOODWILL (Details) $ in Millions	6 Months Ended
	Nov. 30, 2021 USD ($)
Goodwill [Line Items]
Balances at period start	$ 43,935
Goodwill adjustments, net	(93)	[1]
Balances at period end	43,842
Cloud and License [Member]
Goodwill [Line Items]
Balances at period start	39,786
Goodwill adjustments, net	172	[1]
Balances at period end	39,958
Hardware [Member]
Goodwill [Line Items]
Balances at period start	2,367
Goodwill adjustments, net	0	[1]
Balances at period end	2,367
Services [Member]
Goodwill [Line Items]
Balances at period start	1,782
Goodwill adjustments, net	(265)	[1]
Balances at period end	$ 1,517

[1] Amounts include any changes in goodwill balances for the period presented that resulted from foreign currency translations and the realignment of an operating segment component.