Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Millions	Total	Shares of Common Stock	Common Stock and Additional Paid-In Capital	Treasury Stock	Accumulated Other Comprehensive Loss	Retained Earnings
Beginning balance (in shares) at Jul. 31, 2022		281,932
Beginning balance at Jul. 31, 2022	$ 16,441		$ 17,725	$ (14,805)	$ (60)	$ 13,581
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income	13				(27)	40
Issuance of stock under employee stock plans, net of shares withheld for employee taxes (in shares)		634
Issuance of stock under employee stock plans, net of shares withheld for employee taxes	(65)		(65)
Stock repurchases under stock repurchase programs (in shares)		(1,238)
Stock repurchases under stock repurchase programs	(519)			(519)
Dividends and dividend rights declared	(225)					(225)
Share-based compensation expense	422		422
Ending balance (in shares) at Oct. 31, 2022		281,328
Ending balance at Oct. 31, 2022	16,067		18,082	(15,324)	(87)	13,396
Beginning balance (in shares) at Jul. 31, 2023		280,421
Beginning balance at Jul. 31, 2023	17,269		19,029	(16,772)	(55)	15,067
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income	218				(23)	241
Issuance of stock under employee stock plans, net of shares withheld for employee taxes (in shares)		850
Issuance of stock under employee stock plans, net of shares withheld for employee taxes	$ (126)		(126)
Stock repurchases under stock repurchase programs (in shares)	(1,200)	(1,166)
Stock repurchases under stock repurchase programs	$ (603)			(603)
Dividends and dividend rights declared	(261)					(261)
Share-based compensation expense	495		495
Ending balance (in shares) at Oct. 31, 2023		280,105
Ending balance at Oct. 31, 2023	$ 16,992		$ 19,398	$ (17,375)	$ (78)	$ 15,047