INCOME TAXES - Gross Unrecognized Tax Benefits, Including Acquisitions (Details) - USD ($) $ in Millions	12 Months Ended
May 31, 2022	May 31, 2021	May 31, 2020
Gross Unrecognized Tax Benefits Including Acquisitions [Abstract]
Gross unrecognized tax benefits as of June 1	$ 6,912	$ 6,972	$ 6,348
Increases related to tax positions from prior fiscal years	66	225	624
Decreases related to tax positions from prior fiscal years	(24)	(836)	(298)
Increases related to tax positions taken during current fiscal year	919	531	628
Settlements with tax authorities	(117)	(51)	(177)
Lapses of statutes of limitation	(333)	(66)	(116)
Cumulative translation adjustments and other, net		137
Cumulative translation adjustments and other, net	(139)		(37)
Total gross unrecognized tax benefits as of May 31	$ 7,284	$ 6,912	$ 6,972

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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Amount of unrecognized tax benefits.

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