Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	12 Months Ended
	May 31, 2020	May 31, 2019	May 31, 2018
Income Statement [Abstract]
Revenues	$ 37,403	$ 39,117	$ 36,397
Cost of sales	21,162	21,643	20,441
Gross profit	16,241	17,474	15,956
Demand creation expense	3,592	3,753	3,577
Operating overhead expense	9,534	8,949	7,934
Total selling and administrative expense	13,126	12,702	11,511
Interest expense (income), net	89	49	54
Other (income) expense, net	139	(78)	66
Income before income taxes	2,887	4,801	4,325
Income tax expense	348	772	2,392
NET INCOME	$ 2,539	$ 4,029	$ 1,933
Earnings per common share:
Basic (in dollars per share)	$ 1.63	$ 2.55	$ 1.19
Diluted (in dollars per share)	$ 1.60	$ 2.49	$ 1.17
Weighted average common shares outstanding:
Basic (in shares)	1,558.8	1,579.7	1,623.8
Diluted (in shares)	1,591.6	1,618.4	1,659.1