CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended
	Aug. 31, 2013	Aug. 31, 2012
Net income	$ 2,191	$ 2,034
Portion Attributable to Parent [Member]
Net income	2,191	2,034
Other comprehensive (loss) income, net of tax:
Net foreign currency translation (losses) gains	(187)	67
Net unrealized gains on defined benefit plans	3	5
Net unrealized (losses) gains on marketable securities	(29)	127
Net unrealized losses on cash flow hedges	(32)
Total other comprehensive (loss) income, net	(245)	199
Comprehensive income	$ 1,946	$ 2,233