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, 2022						305		1,266
Beginning balance at May. 31, 2022	$ 15,281	$ 11,484	$ 318	$ 3,476				$ 3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised (in shares)								3
Stock options exercised	149	149
Repurchase of Class B Common Stock (in shares)								(26)
Repurchase of Class B Common Stock	(2,598)	(189)		(2,409)
Dividends on common stock	(1,008)			(1,008)
Issuance of shares to employees, net of shares withheld for employee taxes (in shares)								2
Issuance of shares to employees, net of shares withheld for employee taxes	44	43		1
Stock-based compensation	364	364
Net income	2,799			2,799
Other comprehensive income (loss)	241		241
Ending Balance (in shares) at Nov. 30, 2022						305		1,245
Ending balance at Nov. 30, 2022	15,272	11,851	559	2,859				$ 3
Beginning Balance (in shares) at Aug. 31, 2022						305		1,259
Beginning balance at Aug. 31, 2022	15,822	11,648	636	3,535				$ 3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised (in shares)								1
Stock options exercised	69	69
Repurchase of Class B Common Stock (in shares)								(17)
Repurchase of Class B Common Stock	(1,607)	(123)		(1,484)
Dividends on common stock	(526)			(526)
Issuance of shares to employees, net of shares withheld for employee taxes (in shares)								2
Issuance of shares to employees, net of shares withheld for employee taxes	66	63		3
Stock-based compensation	194	194
Net income	1,331			1,331
Other comprehensive income (loss)	(77)		(77)
Ending Balance (in shares) at Nov. 30, 2022						305		1,245
Ending balance at Nov. 30, 2022	15,272	11,851	559	2,859				$ 3
Beginning Balance (in shares) at May. 31, 2023					305	305	1,227	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)								4
Stock options exercised	212	212
Conversion to Class B Common Stock (in shares)						(7)		7
Repurchase of Class B Common Stock (in shares)								(22)
Repurchase of Class B Common Stock	(2,341)	(184)		(2,157)
Dividends on common stock	(1,084)			(1,084)
Issuance of shares to employees, net of shares withheld for employee taxes (in shares)								3
Issuance of shares to employees, net of shares withheld for employee taxes	35	29		6
Stock-based compensation	402	402
Net income	3,028			3,028
Other comprehensive income (loss)	(110)		(110)
Ending Balance (in shares) at Nov. 30, 2023					298	298	1,219	1,219
Ending balance at Nov. 30, 2023	14,146	12,871	121	1,151				$ 3
Beginning Balance (in shares) at Aug. 31, 2023						298		1,226
Beginning balance at Aug. 31, 2023	13,971	12,590	136	1,242				$ 3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised (in shares)								2
Stock options exercised	106	106
Repurchase of Class B Common Stock (in shares)								(12)
Repurchase of Class B Common Stock	(1,209)	(99)		(1,110)
Dividends on common stock	(565)			(565)
Issuance of shares to employees, net of shares withheld for employee taxes (in shares)								3
Issuance of shares to employees, net of shares withheld for employee taxes	74	68		6
Stock-based compensation	206	206
Net income	1,578			1,578
Other comprehensive income (loss)	(15)		(15)
Ending Balance (in shares) at Nov. 30, 2023					298	298	1,219	1,219
Ending balance at Nov. 30, 2023	$ 14,146	$ 12,871	$ 121	$ 1,151				$ 3