GOODWILL (Details) $ in Millions	3 Months Ended
	Aug. 31, 2021 USD ($)
Goodwill [Line Items]
Balances at period start	$ 43,935
Goodwill adjustments, net	(73)	[1]
Balances at period end	43,862
Cloud and License [Member]
Goodwill [Line Items]
Balances at period start	39,786
Goodwill adjustments, net	186	[1]
Balances at period end	39,972
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	(259)	[1]
Balances at period end	$ 1,523

[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.