CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Millions	Total	Common Stock and Additional Paid in Capital	(Accumulated deficit) Retained Earnings	Other Equity, Net
Balance, beginning of period at May. 31, 2018		$ 28,950	$ 19,111	$ (1,188)
Cumulative-effect of accounting change			(110)
Other comprehensive income (loss), net	$ (77)			(77)
Common stock issued		299
Stock-based compensation		436
Repurchase of common stock	(10,000)	(1,496)	(8,504)
Cash dividends declared			(742)
Net income			2,265
Other, net		(378)	2	(4)
Balance, end of period at Aug. 31, 2018	$ 38,564	27,811	12,022	(1,269)
Cash dividends declared per common share	$ 0.19
Balance, beginning of period at May. 31, 2019	$ 22,363	26,909	(3,496)	(1,050)
Cumulative-effect of accounting change			0
Other comprehensive income (loss), net	57			57
Common stock issued		316
Stock-based compensation		446
Repurchase of common stock	(5,000)	(707)	(4,293)
Cash dividends declared			(795)
Net income			2,137
Other, net		(514)	1	8
Balance, end of period at Aug. 31, 2019	$ 19,019	$ 26,450	$ (6,446)	$ (985)
Cash dividends declared per common share	$ 0.24