v3.26.1
Employee Benefit Plans - Valuation of Employee Share-Based Awards - Employee Stock Purchase Rights (Details) - Employee Stock Purchase Rights - $ / shares
12 Months Ended
Jul. 25, 2026
Jul. 26, 2025
Jul. 27, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected volatility 22.70% 22.50% 28.30%
Risk-free interest rate 4.90% 5.00% 2.90%
Expected dividend 3.30% 3.30% 3.50%
Expected life (in years) 1 year 3 months 18 days 1 year 3 months 18 days 1 year 2 months 12 days
Weighted-average estimated grant date fair value per share (in dollars per share) $ 12.52 $ 12.18 $ 11.59