Financing Receivables - Schedule of Aging Analysis of Financing Receivables (Details) - USD ($) $ in Millions	Jul. 25, 2026	Jul. 26, 2025
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	$ 8,315	$ 6,511
120+ Still Accruing	8	8
Nonaccrual Financing Receivables	1	6
Total Past Due
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	71	68
31 - 60
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	40	25
61 - 90
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	16	21
91+
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	15	22
Current
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	8,244	6,443
Loan Receivables
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	7,457	5,628
120+ Still Accruing	7	4
Nonaccrual Financing Receivables	1	5
Loan Receivables \| Total Past Due
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	57	52
Loan Receivables \| 31 - 60
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	31	18
Loan Receivables \| 61 - 90
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	14	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	7,400	5,576
Lease Receivables
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	858	883
120+ Still Accruing	1	4
Nonaccrual Financing Receivables	0	1
Lease Receivables \| Total Past Due
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	14	16
Lease Receivables \| 31 - 60
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	9	7
Lease Receivables \| 61 - 90
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	2	3
Lease Receivables \| 91+
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	3	6
Lease Receivables \| Current
Financing Receivable, Past Due [Line Items]
Gross Financing Receivables	$ 844	$ 867