Operating Segments and Related Information - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	May 31, 2023	May 31, 2022	May 31, 2021
Regional Reporting Disclosure [Line Items]
Revenues	$ 51,217	$ 46,710	$ 44,538
United States
Regional Reporting Disclosure [Line Items]
Revenues	22,007	18,749	$ 17,363
Long-lived assets attributable to operations (Domestic)	5,129	4,916
Belgium
Regional Reporting Disclosure [Line Items]
Long-lived assets attributable to operations (Domestic)	702	646
China
Regional Reporting Disclosure [Line Items]
Long-lived assets attributable to operations (Domestic)	$ 559	$ 538