Risk Management and Derivatives - Amounts Affecting Consolidated Statements of Income (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Nov. 30, 2021	Nov. 30, 2020	Nov. 30, 2021	Nov. 30, 2020
Foreign Exchange Contract \| Other (income) expense, net \| Derivatives not designated as hedging instruments
Derivative Instruments, Gain (Loss) [Line Items]
AMOUNT OF GAIN (LOSS) RECOGNIZED  IN INCOME ON DERIVATIVES	$ 9	$ (49)	$ 32	$ (87)
Embedded derivatives \| Other (income) expense, net \| Derivatives not designated as hedging instruments
Derivative Instruments, Gain (Loss) [Line Items]
AMOUNT OF GAIN (LOSS) RECOGNIZED  IN INCOME ON DERIVATIVES	(4)	(9)	(9)	(13)
Derivatives designated as cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Other Comprehensive Income on Derivatives	363	(60)	751	(590)
Amount of Gain (Loss) Reclassified From Accumulated Other Comprehensive Income into Income	(31)	43	(128)	178
Derivatives designated as cash flow hedges \| Foreign Exchange Contract \| Revenue
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Other Comprehensive Income on Derivatives	(31)	6	(37)	6
Amount of Gain (Loss) Reclassified From Accumulated Other Comprehensive Income into Income	(20)	26	(41)	40
Derivatives designated as cash flow hedges \| Foreign Exchange Contract \| Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Other Comprehensive Income on Derivatives	253	(69)	518	(440)
Amount of Gain (Loss) Reclassified From Accumulated Other Comprehensive Income into Income	(30)	31	(96)	145
Derivatives designated as cash flow hedges \| Foreign Exchange Contract \| Demand creation expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Other Comprehensive Income on Derivatives	(2)	2	(3)	3
Amount of Gain (Loss) Reclassified From Accumulated Other Comprehensive Income into Income	0	0	1	1
Derivatives designated as cash flow hedges \| Foreign Exchange Contract \| Other (income) expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Other Comprehensive Income on Derivatives	143	1	273	(159)
Amount of Gain (Loss) Reclassified From Accumulated Other Comprehensive Income into Income	20	(13)	11	(5)
Derivatives designated as cash flow hedges \| Interest rate swaps \| Interest (income) expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Other Comprehensive Income on Derivatives	0	0	0	0
Amount of Gain (Loss) Reclassified From Accumulated Other Comprehensive Income into Income	$ (1)	$ (1)	$ (3)	$ (3)

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

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-Publisher FASB
-Name Accounting Standards Codification
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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

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