Employee Benefit Plans - Additional Information - Employee 401(k) Plans and Deferred Compensation Plans (Details) - USD ($)	12 Months Ended
	Jul. 30, 2022	Jul. 31, 2021	Jul. 25, 2020
Deferred Compensation Plans
401(k) and Deferred Compensation Plan [Line Items]
Employer matching contribution	4.50%
Maximum annual contributions	$ 1,500,000
Deferred compensation liability	$ 760,000,000	$ 845,000,000
401(K) Plan
401(k) and Deferred Compensation Plan [Line Items]
Allowed employee contributions (up to)	75.00%
Employer matching contribution, percentage of the first 4.5% of eligible earnings	100.00%
Employer matching contribution	4.50%
Maximum matching contribution	$ 13,725
Total matching contribution by the Company for the period	$ 306,000,000	290,000,000	$ 295,000,000
401(k) Catch Up Contribution
401(k) and Deferred Compensation Plan [Line Items]
Allowed employee contributions (up to)	75.00%
Total matching contribution by the Company for the period	$ 0	$ 0	$ 0