EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended
		Aug. 31, 2024	Aug. 31, 2023
Earnings Per Share [Abstract]
Net income		$ 2,929	$ 2,420
Weighted average common shares outstanding		2,761	2,728
Dilutive effect of employee stock plans		90	95
Dilutive weighted average common shares outstanding		2,851	2,823
Basic earnings per share		$ 1.06	$ 0.89
Diluted earnings per share		$ 1.03	$ 0.86
Anti-dilutive stock awards excluded from calculation	[1]	24	27

[1] These stock awards primarily relate to contingently issuable shares pursuant to performance stock option arrangements. Such shares could be dilutive in the future.