Income Taxes - Schedule of Net Deferred Tax Liabilities (Details) - USD ($) $ in Millions		May 31, 2022	May 31, 2021
Deferred Tax Assets, Net, Classification [Abstract]
Noncurrent deferred tax assets	[1]	$ 1,207	$ 1,418
Noncurrent deferred tax liabilities		(4,093)	(3,927)
Net deferred tax liabilities		$ (2,886)	$ (2,509)

[1] Noncurrent deferred tax assets are included in the line item “Other Assets” in our accompanying consolidated balance sheets.