Fair Value - Additional Information (Details) - USD ($) $ in Millions	Jan. 28, 2023	Jul. 30, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term financing receivables, carrying value	$ 3,554	$ 4,009
Borrowings, carrying value	8,887	8,915
Loan Receivables
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term financing receivables, carrying value	2,985	3,412
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Borrowings, fair value	$ 9,400	$ 9,700