Income Taxes - Income Before Provision for Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Apr. 26, 2025	Apr. 27, 2024	Apr. 26, 2025	Apr. 27, 2024
Income Tax Disclosure [Abstract]
Income before provision for income taxes	$ 2,947	$ 2,235	$ 8,101	$ 9,838
Provision for income taxes	$ 456	$ 349	$ 471	$ 1,680
Effective tax rate	15.50%	15.60%	5.80%	17.10%