Unaudited Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2021	Nov. 30, 2020	Nov. 30, 2021	Nov. 30, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 1,337	$ 1,251	$ 3,211	$ 2,769
Other comprehensive income (loss), net of tax:
Change in net foreign currency translation adjustment	(155)	78	(283)	396
Change in net gains (losses) on cash flow hedges	366	(103)	804	(761)
Change in net gains (losses) on other	1	(3)	4	(8)
Total other comprehensive income (loss), net of tax	212	(28)	525	(373)
TOTAL COMPREHENSIVE INCOME	$ 1,549	$ 1,223	$ 3,736	$ 2,396