Fair Value - Additional Information (Details) - USD ($) $ in Millions	Oct. 25, 2025	Jul. 26, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Noncurrent	$ 3,719	$ 3,466
Borrowings, carrying value	24,613	24,611
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Borrowings, fair value	25,500	25,000
Loan Receivables
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Noncurrent	$ 3,075	$ 2,876