Unaudited Condensed Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2020	Nov. 30, 2019	Nov. 30, 2020	Nov. 30, 2019
Income Statement [Abstract]
Revenues	$ 11,243	$ 10,326	$ 21,837	$ 20,986
Cost of sales	6,396	5,782	12,249	11,571
Gross profit	4,847	4,544	9,588	9,415
Demand creation expense	729	881	1,406	1,899
Operating overhead expense	2,538	2,443	4,836	4,753
Total selling and administrative expense	3,267	3,324	6,242	6,652
Interest expense (income), net	70	12	135	27
Other (income) expense, net	54	(41)	40	(74)
Income before income taxes	1,456	1,249	3,171	2,810
Income tax expense	205	134	402	328
NET INCOME	$ 1,251	$ 1,115	$ 2,769	$ 2,482
Earnings per common share:
Basic (in dollars per share)	$ 0.80	$ 0.71	$ 1.77	$ 1.59
Diluted (in dollars per share)	$ 0.78	$ 0.70	$ 1.73	$ 1.56
Weighted average common shares outstanding:
Basic (in shares)	1,573.0	1,560.6	1,567.4	1,561.5
Diluted (in shares)	1,609.5	1,594.4	1,601.9	1,596.0