CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended
	Aug. 31, 2014	Aug. 31, 2013
Net income	$ 2,184	$ 2,191
Portion Attributable to Parent [Member]
Net income	2,184	2,191
Other comprehensive loss, net of tax:
Net foreign currency translation losses	(83)	(187)
Net unrealized gains on defined benefit plans	3	3
Net unrealized gains (losses) on marketable securities	16	(29)
Net unrealized gains (losses) on cash flow hedges	35	(32)
Total other comprehensive loss, net	(29)	(245)
Comprehensive income	$ 2,155	$ 1,946