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)								13
Stock options exercised	725	725
Repurchase of Class B Common Stock (in shares)								(11)
Repurchase of Class B Common Stock	(1,710)	(69)		(1,641)
Dividends on common stock	(918)			(918)
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	18	63		(45)
Stock-based compensation	306	306
Net income	3,211			3,211
Other comprehensive income (loss)	525		525
Ending Balance (in shares) at Nov. 30, 2021						305		1,278
Ending balance at Nov. 30, 2021	14,924	10,990	145	3,786		$ 0		$ 3
Beginning Balance (in shares) at Aug. 31, 2021						305		1,278
Beginning balance at Aug. 31, 2021	14,343	10,521	(67)	3,886		$ 0		$ 3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised (in shares)								3
Stock options exercised	256	256
Repurchase of Class B Common Stock (in shares)								(6)
Repurchase of Class B Common Stock	(968)	(40)		(928)
Dividends on common stock	(483)			(483)
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	57	83		(26)
Stock-based compensation	170	170
Net income	1,337			1,337
Other comprehensive income (loss)	212		212
Ending Balance (in shares) at Nov. 30, 2021						305		1,278
Ending balance at Nov. 30, 2021	14,924	10,990	145	3,786		$ 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)								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	305	1,245	1,245
Ending balance at Nov. 30, 2022	15,272	11,851	559	2,859		$ 0		$ 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		$ 0		$ 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	305	1,245	1,245
Ending balance at Nov. 30, 2022	$ 15,272	$ 11,851	$ 559	$ 2,859		$ 0		$ 3