RISK MANAGEMENT AND DERIVATIVES - Amounts Affecting Consolidated Statements of Income (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Nov. 30, 2025	Nov. 30, 2024	Nov. 30, 2025	Nov. 30, 2024
Derivatives designated as cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
AMOUNT OF GAIN (LOSS) RECOGNIZED IN OTHER  COMPREHENSIVE INCOME (LOSS) ON DERIVATIVES	$ 251	$ 524	$ 93	$ 353
AMOUNT OF GAIN (LOSS) RECLASSIFIED FROM ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) INTO INCOME	(17)	39	10	116
Foreign exchange forwards and options \| Derivatives not designated as hedging instruments
Derivative Instruments, Gain (Loss) [Line Items]
AMOUNT OF GAIN (LOSS) RECOGNIZED  IN INCOME ON DERIVATIVES	$ 3	$ 6	$ 20	$ 6
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)
Foreign exchange forwards and options \| Derivatives designated as cash flow hedges \| Revenues
Derivative Instruments, Gain (Loss) [Line Items]
AMOUNT OF GAIN (LOSS) RECOGNIZED IN OTHER  COMPREHENSIVE INCOME (LOSS) ON DERIVATIVES	$ 4	$ (29)	$ 47	$ (73)
AMOUNT OF GAIN (LOSS) RECLASSIFIED FROM ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) INTO INCOME	3	(24)	(4)	(45)
Foreign exchange forwards and options \| Derivatives designated as cash flow hedges \| Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
AMOUNT OF GAIN (LOSS) RECOGNIZED IN OTHER  COMPREHENSIVE INCOME (LOSS) ON DERIVATIVES	192	396	39	298
AMOUNT OF GAIN (LOSS) RECLASSIFIED FROM ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) INTO INCOME	0	50	50	120
Foreign exchange forwards and options \| Derivatives designated as cash flow hedges \| Other (income) expense, net
Derivative Instruments, Gain (Loss) [Line Items]
AMOUNT OF GAIN (LOSS) RECOGNIZED IN OTHER  COMPREHENSIVE INCOME (LOSS) ON DERIVATIVES	55	157	7	128
AMOUNT OF GAIN (LOSS) RECLASSIFIED FROM ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) INTO INCOME	(19)	15	(33)	45
Interest rate swaps \| Derivatives designated as cash flow hedges \| Interest (income) expense, net
Derivative Instruments, Gain (Loss) [Line Items]
AMOUNT OF GAIN (LOSS) RECOGNIZED IN OTHER  COMPREHENSIVE INCOME (LOSS) ON DERIVATIVES	0	0	0	0
AMOUNT OF GAIN (LOSS) RECLASSIFIED FROM ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) INTO INCOME	$ (1)	$ (2)	$ (3)	$ (4)

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4E
-Publisher FASB
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-11

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4C
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
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-Name Accounting Standards Codification
-Section 45
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480627/815-20-45-3

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
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-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 10A
-Subparagraph (d)
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-URI https://asc.fasb.org/1943274/2147482790/220-10-45-10A

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