CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2021	Nov. 30, 2020	Nov. 30, 2021	Nov. 30, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net (loss) income	$ (1,247)	$ 2,442	$ 1,209	$ 4,693
Other comprehensive (loss) income, net of tax:
Net foreign currency translation (losses) gains	(222)	47	(445)	372
Net unrealized gains on defined benefit plans	2	10	4	56
Net unrealized gains on marketable securities	0	0	0	3
Net unrealized losses on cash flow hedges	0	(6)	0	(1)
Total other comprehensive (loss) income, net	(220)	51	(441)	430
Comprehensive (loss) income	$ (1,467)	$ 2,493	$ 768	$ 5,123