Income Taxes - Income Before Provision for Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jan. 24, 2026	Jan. 25, 2025	Jan. 24, 2026	Jan. 25, 2025
Income Tax Disclosure [Abstract]
Income before provision for income taxes	$ 3,646	$ 2,887	$ 7,037	$ 5,154
Provision for income taxes	$ 471	$ 459	$ 1,002	$ 15
Effective tax rate	12.90%	15.90%	14.20%	0.30%