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INCOME TAXES - Reconciliation of Changes in Gross Balance of Unrecognized Tax Benefits (Details) - USD ($) $ in Millions | 12 Months Ended
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May 31, 2025 | May 31, 2024 | May 31, 2023
Unrecognized Tax Benefits [Roll Forward] |  |  |
Unrecognized tax benefits, beginning of the period | $ 990 | $ 936 | $ 848
Gross increases related to prior period tax positions | 11 | 35 | 95
Gross decreases related to prior period tax positions | (10) | (13) | (17)
Gross increases related to current period tax positions | 81 | 77 | 50
Settlements | (5) | (22) | (18)
Lapse of statute of limitations | (45) | (24) | (7)
Changes due to currency translation | 4 | 1 |
Changes due to currency translation |  |  | (15)
UNRECOGNIZED TAX BENEFITS, END OF THE PERIOD | $ 1,026 | $ 990 | $ 936

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- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 217 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482663/740-10-55-217 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-15A Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 10B -Publisher FASB -URI https://asc.fasb.org/1943274/2147482525/740-10-45-10B + Details
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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 -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-15A + Details
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