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Leases - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended
Oct. 25, 2025
Oct. 26, 2024
Jul. 26, 2025
Leases [Abstract]      
Weighted-average remaining lease term (in years) 5 years 3 months 18 days   5 years 8 months 12 days
Weighted-average discount rate 3.90%   4.10%
Sales-type lease terms, on average 4 years    
Interest income, lease receivables $ 16 $ 17