CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 29, 2016	Feb. 28, 2015	Feb. 29, 2016	Feb. 28, 2015
Net income	$ 2,142	$ 2,495	$ 6,087	$ 7,181
Portion Attributable to Parent [Member]
Net income	2,142	2,495	6,087	7,181
Other comprehensive income (loss), net of tax:
Net foreign currency translation gains (losses)	142	(262)	9	(629)
Net unrealized gains on defined benefit plans	5	2	25	8
Net unrealized gains (losses) on marketable securities	69	(6)	(47)	15
Net unrealized (losses) gains on cash flow hedges	(23)	(30)	(37)	6
Total other comprehensive income (loss), net	193	(296)	(50)	(600)
Comprehensive income	$ 2,335	$ 2,199	$ 6,037	$ 6,581