CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Aug. 31, 2018	Aug. 31, 2017
Net income	$ 2,265	$ 2,144
Portion Attributable to Parent [Member]
Net income	2,265	2,144
Other comprehensive (loss) income, net of tax:
Net foreign currency translation (losses) gains	(61)	50
Net unrealized gains on defined benefit plans	6	7
Net unrealized gains on marketable securities	4	64
Net unrealized losses on cash flow hedges	(26)	(22)
Total other comprehensive (loss) income, net	(77)	99
Comprehensive income	$ 2,188	$ 2,243