Income Taxes - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	May 31, 2023	May 31, 2022	May 31, 2021	May 31, 2020
Income Tax Contingency [Line Items]
Subpart F deferred tax benefit	0.00%	(4.70%)	0.00%
Income tax audits and contingency reserves	1.00%	1.50%	1.50%
Other, net	1.40%	1.70%	(0.90%)
Total gross unrecognized tax benefits, excluding related interest and penalties	$ 936	$ 848	$ 896	$ 771
Total gross unrecognized tax benefits, excluding related interest and penalties, amount which would affect the Company's effective tax rate if recognized in future periods	651
Increase (decrease) in liability for payment of interest and penalties	20	45	45
Accrued interest and penalties related to uncertain tax positions (excluding federal benefit)	268	248
Estimated decrease in total gross unrecognized tax benefits as a result of resolutions of global tax examinations and expiration of applicable statutes of limitations	50
Decrease in income tax expense related to tax holiday	$ 263	$ 221	$ 238
Decrease in income tax expense related to tax holiday per diluted share, (in dollars per share)	$ 0.17	$ 0.14	$ 0.15
Valuation allowance increase (decrease) related to tax benefits of certain subsidiaries with operating losses	$ 3	$ 7	$ (14)
Available domestic and foreign loss carry-forwards	61
Deferred income taxes and other liabilities
Income Tax Contingency [Line Items]
Long-term income taxes payable	$ 373	$ 535