UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Millions, $ in Millions	Total	CAPITAL IN EXCESS OF STATED VALUE	ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)	RETAINED EARNINGS	Class A Common Stock	Class A Common Stock COMMON STOCK	Class B Common Stock	Class B Common Stock COMMON STOCK
Beginning Balance (in shares) at May. 31, 2021						305		1,273
Beginning balance at May. 31, 2021	$ 12,767	$ 9,965	$ (380)	$ 3,179		$ 0		$ 3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised (in shares)								10
Stock options exercised	469	469
Repurchase of Class B common stock (in shares)								(5)
Repurchase of Class B common stock	(742)	(29)		(713)
Dividends on common stock	(435)			(435)
Issuance of shares to employees, net of shares withheld for employee taxes	(39)	(20)		(19)
Stock-based compensation	136	136
Net income	1,874			1,874
Other comprehensive income (loss)	313		313
Ending Balance (in shares) at Aug. 31, 2021						305		1,278
Ending balance at Aug. 31, 2021	14,343	10,521	(67)	3,886		$ 0		$ 3
Beginning Balance (in shares) at May. 31, 2022					305	305	1,266	1,266
Beginning balance at May. 31, 2022	15,281	11,484	318	3,476		$ 0		$ 3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised (in shares)								2
Stock options exercised	80	80
Repurchase of Class B common stock (in shares)								(9)
Repurchase of Class B common stock	(991)	(66)		(925)
Dividends on common stock	(482)			(482)
Issuance of shares to employees, net of shares withheld for employee taxes	(22)	(20)		(2)
Stock-based compensation	170	170
Net income	1,468			1,468
Other comprehensive income (loss)	318		318
Ending Balance (in shares) at Aug. 31, 2022					305	305	1,259	1,259
Ending balance at Aug. 31, 2022	$ 15,822	$ 11,648	$ 636	$ 3,535		$ 0		$ 3