Unaudited Condensed Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 28, 2018	Feb. 28, 2017	Feb. 28, 2018	Feb. 28, 2017
Income Statement [Abstract]
Revenues	$ 8,984	$ 8,432	$ 26,608	$ 25,673
Cost of sales	5,046	4,682	15,030	14,184
Gross profit	3,938	3,750	11,578	11,489
Demand creation expense	862	749	2,594	2,552
Operating overhead expense	1,905	1,747	5,797	5,346
Total selling and administrative expense	2,767	2,496	8,391	7,898
Interest expense (income), net	13	19	42	41
Other (income) expense, net	(1)	(88)	35	(168)
Income before income taxes	1,159	1,323	3,110	3,718
Income tax expense	2,080	182	2,314	486
NET (LOSS) INCOME	$ (921)	$ 1,141	$ 796	$ 3,232
(Loss) earnings per common share:
Basic (in dollars per share)	$ (0.57)	$ 0.69	$ 0.49	$ 1.95
Diluted (in dollars per share)	(0.57)	0.68	0.48	1.91
Dividends declared per common share (in dollars per share)	$ 0.20	$ 0.18	$ 0.58	$ 0.52