Income Taxes - Breakdown Between Current and Noncurrent Net Deferred Tax Assets (Details) - USD ($) $ in Millions	Jul. 26, 2025	Jul. 27, 2024
Income Tax Disclosure [Abstract]
Deferred tax assets	$ 7,356	$ 6,262
Deferred tax liabilities	(75)	(76)
Total net deferred tax assets	$ 7,281	$ 6,186