Income Taxes - Income Before Provision for Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 29, 2022	Oct. 30, 2021
Income Tax Disclosure [Abstract]
Income before provision for income taxes	$ 3,475	$ 3,657
Provision for income taxes	$ 805	$ 677
Effective tax rate	23.20%	18.50%