CONSOLIDATED STATEMENTS OF EQUITY PARENTHETICAL - $ / shares shares in Millions	12 Months Ended
	May 31, 2016	May 31, 2015	May 31, 2014
Equity:
Beginning common stock shares outstanding	4,343	4,464	4,646
Common stock issued under stock-based compensation plans	60	70	95
Common stock issued under stock purchase plans	3	3	3
Repurchase of common stock	(272)	(194)	(280)
Shares repurchased for tax withholdings upon vesting of restricted stock-based awards	(3)
Ending common stock shares outstanding	4,131	4,343	4,464
Dividends declared per common share (in dollars per share)	$ 0.60	$ 0.51	$ 0.48