Unaudited Condensed Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2017	Feb. 29, 2016
Income Statement [Abstract]
Revenues	$ 8,432	$ 8,032	$ 25,673	$ 24,132
Cost of sales	4,682	4,343	14,184	12,947
Gross profit	3,750	3,689	11,489	11,185
Demand creation expense	749	804	2,552	2,405
Operating overhead expense	1,747	1,762	5,346	5,298
Total selling and administrative expense	2,496	2,566	7,898	7,703
Interest expense (income), net	19	5	41	14
Other (income) expense, net	(88)	(17)	(168)	(82)
Income before income taxes	1,323	1,135	3,718	3,550
Income tax expense	182	185	486	636
NET INCOME	$ 1,141	$ 950	$ 3,232	$ 2,914
Earnings per common share:
Basic (in dollars per share)	$ 0.69	$ 0.56	$ 1.95	$ 1.71
Diluted (in dollars per share)	0.68	0.55	1.91	1.67
Dividends declared per common share (in dollars per share)	$ 0.18	$ 0.16	$ 0.52	$ 0.46