CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	May 31, 2017	May 31, 2016	May 31, 2015
Net income	$ 9,335	$ 8,901	$ 9,938
Other comprehensive income (loss), net of tax:
Total other comprehensive income (loss), net	27	206	(898)
Portion Attributable to Parent [Member]
Net income	9,335	8,901	9,938
Other comprehensive income (loss), net of tax:
Net foreign currency translation gains (losses)	99	73	(770)
Net unrealized (losses) gains on defined benefit plans	(102)	50	(151)
Net unrealized (losses) gains on marketable securities	(9)	72	59
Net unrealized gains (losses) on cash flow hedges	25	(15)	30
Total other comprehensive income (loss), net	13	180	(832)
Comprehensive income	$ 9,348	$ 9,081	$ 9,106