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 (DEFICIT)	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, 2024						298		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		1,193
Ending Balance at Aug. 31, 2024	13,944	13,557	(27)	411				$ 3
Beginning Balance (in shares) at May. 31, 2025					290	290	1,186	1,186
Beginning Balance at May. 31, 2025	13,213	14,195	(258)	(727)				$ 3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised (in shares)								3
Stock options exercised	126	126
Conversion to Class B Common Stock (in shares)						(1)		1
Repurchase of Class B Common Stock (in shares)								(2)
Repurchase of Class B Common Stock	(123)	(17)		(106)
Dividends on common stock and preferred stock	(594)			(594)
Issuance of shares to employees, net of shares withheld for employee taxes	(16)	(16)
Stock-based compensation	185	185
Net income	727			727
Other comprehensive income (loss)	(50)		(50)
Ending Balance (in shares) at Aug. 31, 2025					289	289	1,188	1,188
Ending Balance at Aug. 31, 2025	$ 13,468	$ 14,473	$ (308)	$ (700)				$ 3