Financing Receivables - Schedule of Financing Receivables (Details) - USD ($) $ in Millions	Oct. 26, 2024	Jul. 27, 2024	Oct. 28, 2023	Jul. 29, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross	$ 6,639	$ 6,823
Residual value	66	67
Unearned income	(107)	(111)
Allowance for credit loss	(64)	(65)	$ (74)	$ (72)
Total, net	6,534	6,714
Current	3,123	3,338
Noncurrent	3,411	3,376
Loan Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross	5,583	5,858
Unearned income	0	0
Allowance for credit loss	(49)	(50)	(58)	(53)
Total, net	5,534	5,808
Current	2,785	3,071
Noncurrent	2,749	2,737
Lease Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross	1,056	965
Residual value	66	67
Unearned income	(107)	(111)
Allowance for credit loss	(15)	(15)	$ (16)	$ (19)
Total, net	1,000	906
Current	338	267
Noncurrent	$ 662	$ 639

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amortized cost, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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Amount of unamortized loan commitment, origination, and other costs (fees) and purchase premium (discount) on financing receivable recognized as adjustment to yield. Excludes financing receivable covered under loss sharing agreement.

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