Employee Benefit Plans - Additional Information (Details) $ in Billions	3 Months Ended		6 Months Ended
	Jan. 25, 2025 USD ($) stock_incentive_plan shares	Jan. 27, 2024 shares	Jan. 25, 2025 USD ($) period stock_incentive_plan shares	Jan. 27, 2024 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation cost related to unvested share-based awards | $	$ 5.3		$ 5.3
Expected period of recognition of compensation cost			1 year 10 months 24 days
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Consecutive offering period			24 months
Number of purchase periods | period			4
Purchase period			6 months
ESPP discount percentage from market price, beginning of purchase period			15.00%
Shares issued under employee purchase plan (in shares)	8,000,000	10,000,000	8,000,000	10,000,000
Shares reserved for issuance (in shares)	60,000,000		60,000,000
2005 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock incentive plans (stock incentive plan) | stock_incentive_plan	1		1
Reduction in shares available for issuance (in shares)	1.5		1.5
Shares authorized for future grant (in shares)	111,000,000		111,000,000
2005 Plan | RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			3 years