Financing Receivables - Schedule of Aging Analysis of Financing Receivables (Details) - USD ($) $ in Millions	Apr. 25, 2026	Jul. 26, 2025
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	$ 6,558	$ 6,511
120+ Still Accruing	8	8
Nonaccrual Financing Receivables	2	6
Impaired Financing Receivables	2	6
Total Past Due
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	90	68
31-60
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	47	25
61-90
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	24	21
91+
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	19	22
Current
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	6,468	6,443
Loan Receivables
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	5,744	5,628
120+ Still Accruing	5	4
Nonaccrual Financing Receivables	1	5
Impaired Financing Receivables	1	5
Loan Receivables \| Total Past Due
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	72	52
Loan Receivables \| 31-60
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	42	18
Loan Receivables \| 61-90
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	18	18
Loan Receivables \| 91+
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	12	16
Loan Receivables \| Current
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	5,672	5,576
Lease Receivables
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	814	883
120+ Still Accruing	3	4
Nonaccrual Financing Receivables	1	1
Impaired Financing Receivables	1	1
Lease Receivables \| Total Past Due
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	18	16
Lease Receivables \| 31-60
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	5	7
Lease Receivables \| 61-90
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	6	3
Lease Receivables \| 91+
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	7	6
Lease Receivables \| Current
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	$ 796	$ 867

Financing Receivable, 120 Days or More Past Due, Still Accruing

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Amount of financing receivable individually evaluated for credit loss. Excludes financing receivable collectively evaluated for credit loss.

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Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease.

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