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, 2023						305		1,227
Beginning Balance at May. 31, 2023	$ 14,004	$ 12,412	$ 231	$ 1,358				$ 3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised (in shares)								2
Stock options exercised	106	106
Conversion to Class B Common Stock (in shares)						(7)		7
Repurchase of Class B Common Stock (in shares)								(10)
Repurchase of Class B Common Stock	(1,132)	(85)		(1,047)
Dividends on common stock and preferred stock	(519)			(519)
Issuance of shares to employees, net of shares withheld for employee taxes	(39)	(39)
Stock-based compensation	196	196
Net income	1,450			1,450
Other comprehensive income (loss)	(95)		(95)
Ending Balance (in shares) at Aug. 31, 2023						298		1,226
Ending Balance at Aug. 31, 2023	13,971	12,590	136	1,242				$ 3
Beginning Balance (in shares) at May. 31, 2024					298	298	1,205	1,205
Beginning Balance at May. 31, 2024	14,430	13,409	53	965				$ 3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised (in shares)								3
Stock options exercised	124	124
Repurchase of Class B Common Stock (in shares)								(15)
Repurchase of Class B Common Stock	(1,193)	(132)		(1,061)
Dividends on common stock and preferred stock	(554)			(554)
Issuance of shares to employees, net of shares withheld for employee taxes	(17)	(27)		10
Stock-based compensation	183	183
Net income	1,051			1,051
Other comprehensive income (loss)	(80)		(80)
Ending Balance (in shares) at Aug. 31, 2024					298	298	1,193	1,193
Ending Balance at Aug. 31, 2024	$ 13,944	$ 13,557	$ (27)	$ 411				$ 3