Unaudited Condensed Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2018	Nov. 30, 2017	Nov. 30, 2018	Nov. 30, 2017
Income Statement [Abstract]
Revenues	$ 9,374	$ 8,554	$ 19,322	$ 17,624
Cost of sales	5,269	4,876	10,820	9,984
Gross profit	4,105	3,678	8,502	7,640
Demand creation expense	910	877	1,874	1,732
Operating overhead expense	2,232	1,891	4,331	3,892
Total selling and administrative expense	3,142	2,768	6,205	5,624
Interest expense (income), net	14	13	25	29
Other (income) expense, net	(48)	18	5	36
Income before income taxes	997	879	2,267	1,951
Income tax expense	150	112	328	234
NET INCOME	$ 847	$ 767	$ 1,939	$ 1,717
Earnings per common share:
Basic (in dollars per share)	$ 0.54	$ 0.47	$ 1.22	$ 1.05
Diluted (in dollars per share)	$ 0.52	$ 0.46	$ 1.19	$ 1.03
Weighted average common shares outstanding:
Basic (in shares)	1,581.4	1,627.0	1,587.7	1,633.1
Diluted (in shares)	1,620.7	1,660.9	1,627.2	1,669.1