CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Aug. 31, 2021	Aug. 31, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 2,457	$ 2,251
Other comprehensive (loss) income, net of tax:
Net foreign currency translation (losses) gains	(223)	325
Net unrealized gains on defined benefit plans	2	46
Net unrealized gains on marketable securities	0	3
Net unrealized gains on cash flow hedges	0	5
Total other comprehensive (loss) income, net	(221)	379
Comprehensive income	$ 2,236	$ 2,630