INCOME TAXES - Reconciliation of Changes in Gross Balance of Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
May 31, 2024	May 31, 2023	May 31, 2022
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefits, beginning of the period	$ 936	$ 848	$ 896
Gross increases related to prior period tax positions	35	95	71
Gross decreases related to prior period tax positions	(13)	(17)	(145)
Gross increases related to current period tax positions	77	50	62
Settlements	(22)	(18)	(17)
Lapse of statute of limitations	(24)	(7)	(10)
Changes due to currency translation	1
Changes due to currency translation		(15)	(9)
UNRECOGNIZED TAX BENEFITS, END OF THE PERIOD	$ 990	$ 936	$ 848

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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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
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-Section 50
-Paragraph 15A
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- Definition

Amount of decrease in unrecognized tax benefits resulting from foreign currency translation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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- Definition

Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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