Unaudited Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Aug. 31, 2021	Aug. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 1,874	$ 1,518
Other comprehensive income (loss), net of tax:
Change in net foreign currency translation adjustment	(128)	318
Change in net gains (losses) on cash flow hedges	438	(658)
Change in net gains (losses) on other	3	(5)
Total other comprehensive income (loss), net of tax	313	(345)
TOTAL COMPREHENSIVE INCOME	$ 2,187	$ 1,173