Consolidated Statements of Equity - USD ($) shares in Millions, $ in Millions	Total	Shares of Common Stock	Common Stock and Additional Paid-In Capital	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Jul. 27, 2024		4,007
Beginning balance at Jul. 27, 2024	$ 45,457		$ 45,800	$ 1,087	$ (1,430)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchase of common stock (in shares)	(40)
Repurchase of common stock	$ (2,003)
Ending balance (in shares) at Oct. 26, 2024		3,974
Ending balance at Oct. 26, 2024	45,277		45,991	662	(1,376)
Beginning balance (in shares) at Jul. 27, 2024		4,007
Beginning balance at Jul. 27, 2024	45,457		45,800	1,087	(1,430)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	5,139			5,139
Other comprehensive income (loss)	(63)				(63)
Issuance of common stock (in shares)		44
Issuance of common stock	320		320
Repurchase of common stock (in shares)		(61)
Repurchase of common stock	(3,239)		(706)	(2,533)
Shares repurchased for tax withholdings on vesting of restricted stock units and other (in shares)		(13)
Shares repurchased for tax withholdings on vesting of restricted stock units and other	(647)		(641)	(6)
Cash dividends declared	(3,185)			(3,185)
Share-based compensation	1,748		1,748
Ending balance (in shares) at Jan. 25, 2025		3,977
Ending balance at Jan. 25, 2025	45,530		46,521	502	(1,493)
Beginning balance (in shares) at Oct. 26, 2024		3,974
Beginning balance at Oct. 26, 2024	45,277		45,991	662	(1,376)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,428			2,428
Other comprehensive income (loss)	(117)				(117)
Issuance of common stock (in shares)		33
Issuance of common stock	$ 320		320
Repurchase of common stock (in shares)	(21)	(21)
Repurchase of common stock	$ (1,236)		(244)	(992)
Shares repurchased for tax withholdings on vesting of restricted stock units and other (in shares)		(9)
Shares repurchased for tax withholdings on vesting of restricted stock units and other	(470)		(467)	(3)
Cash dividends declared	(1,593)			(1,593)
Share-based compensation	921		921
Ending balance (in shares) at Jan. 25, 2025		3,977
Ending balance at Jan. 25, 2025	45,530		46,521	502	(1,493)
Beginning balance (in shares) at Jul. 26, 2025		3,960
Beginning balance at Jul. 26, 2025	$ 46,843		47,747	50	(954)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchase of common stock (in shares)	(29)
Repurchase of common stock	$ (2,001)
Ending balance (in shares) at Oct. 25, 2025		3,938
Ending balance at Oct. 25, 2025	46,873		48,167	(364)	(930)
Beginning balance (in shares) at Jul. 26, 2025		3,960
Beginning balance at Jul. 26, 2025	46,843		47,747	50	(954)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	6,035			6,035
Other comprehensive income (loss)	118				118
Issuance of common stock (in shares)		51
Issuance of common stock	354		354
Repurchase of common stock (in shares)		(47)
Repurchase of common stock	(3,352)		(571)	(2,781)
Shares repurchased for tax withholdings on vesting of restricted stock units and other (in shares)		(15)
Shares repurchased for tax withholdings on vesting of restricted stock units and other	(1,030)		(1,026)	(4)
Cash dividends declared	(3,234)			(3,234)
Share-based compensation	1,989		1,989
Ending balance (in shares) at Jan. 24, 2026		3,949
Ending balance at Jan. 24, 2026	47,723		48,493	66	(836)
Beginning balance (in shares) at Oct. 25, 2025		3,938
Beginning balance at Oct. 25, 2025	46,873		48,167	(364)	(930)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,175			3,175
Other comprehensive income (loss)	94				94
Issuance of common stock (in shares)		39
Issuance of common stock	$ 354		354
Repurchase of common stock (in shares)	(18)	(18)
Repurchase of common stock	$ (1,351)		(217)	(1,134)
Shares repurchased for tax withholdings on vesting of restricted stock units and other (in shares)		(10)
Shares repurchased for tax withholdings on vesting of restricted stock units and other	(739)		(745)	6
Cash dividends declared	(1,617)			(1,617)
Share-based compensation	934		934
Ending balance (in shares) at Jan. 24, 2026		3,949
Ending balance at Jan. 24, 2026	$ 47,723		$ 48,493	$ 66	$ (836)