Income Taxes - Income Before Provision for Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 28, 2023	Oct. 29, 2022
Income Tax Disclosure [Abstract]
Income before provision for income taxes	$ 4,442	$ 3,475
Provision for income taxes	$ 804	$ 805
Effective tax rate	18.10%	23.20%