Fair Value - Additional Information (Details) - USD ($) $ in Millions	Jan. 27, 2024	Jul. 29, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term financing receivables, carrying value	$ 3,364	$ 3,483
Borrowings, carrying value	7,666	8,391
Loan Receivables
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term financing receivables, carrying value	2,731	2,869
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Borrowings, fair value	$ 7,900	$ 8,700