Unaudited Condensed Consolidated Statements Of Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2015	Nov. 30, 2014
Income Statement [Abstract]
Revenues	$ 7,686	$ 7,380	$ 16,100	$ 15,362
Cost of sales	4,185	4,053	8,604	8,314
Gross profit	3,501	3,327	7,496	7,048
Demand creation expense	769	766	1,601	1,663
Operating overhead expense	1,791	1,672	3,536	3,255
Total selling and administrative expense	2,560	2,438	5,137	4,918
Interest expense (income), net (Note 4 and 6)	5	9	9	18
Other (income) expense, net (Note 10)	(34)	2	(65)	5
Income before income taxes	970	878	2,415	2,107
Income tax expense (Note 7)	185	223	451	490
NET INCOME	$ 785	$ 655	$ 1,964	$ 1,617
Earnings per common share:
Basic (in dollars per share)	$ 0.46	$ 0.38	$ 1.15	$ 0.94
Diluted (in dollars per share)	0.45	0.37	1.12	0.91
Dividends declared per common share (in dollars per share)	$ 0.16	$ 0.14	$ 0.30	$ 0.26