Income Taxes - Income Before Provision for Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 26, 2024	Oct. 28, 2023
Income Tax Disclosure [Abstract]
Income before provision for (benefit from) income taxes	$ 2,267	$ 4,442
Provision for (benefit from) income taxes	$ (444)	$ 804
Effective tax rate	(19.60%)	18.10%