EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended
		Aug. 31, 2023	Aug. 31, 2022
Earnings Per Share [Abstract]
Net Income (Loss)		$ 2,420	$ 1,548
Weighted average common shares outstanding		2,728	2,685
Dilutive effect of employee stock plans		95	62
Dilutive weighted average common shares outstanding		2,823	2,747
Basic earnings per share		$ 0.89	$ 0.58
Diluted earnings per share		$ 0.86	$ 0.56
Shares subject to anti-dilutive restricted stock-based awards and stock options excluded from calculation	[1]	27	71

[1] These weighted shares relate to anti-dilutive restricted service based stock-based awards as calculated using the treasury stock method and contingently issuable shares pursuant to performance stock option arrangements. Such shares could be dilutive in the future.