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Financing Receivables - Schedule of Financing Receivables Categorized by Internal Credit Risk Rating (Details) - USD ($) $ in Millions | Oct. 25, 2025 | Jul. 26, 2025
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | $ 106 | $ 4
Origination year - Fiscal Year One | 270 | 154
Origination year - Fiscal Year Two | 626 | 344
Origination year - Fiscal Year Three | 1,790 | 739
Origination year - Fiscal Year Four | 2,843 | 2,138
Origination year - Fiscal Year Five | 1,153 | 3,132
Gross | 6,788 | 6,511
Loan Receivables |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 96 | 4
Origination year - Fiscal Year One | 228 | 139
Origination year - Fiscal Year Two | 444 | 295
Origination year - Fiscal Year Three | 1,473 | 547
Origination year - Fiscal Year Four | 2,520 | 1,823
Origination year - Fiscal Year Five | 1,065 | 2,820
Gross | 5,826 | 5,628
Lease Receivables |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 10 | 0
Origination year - Fiscal Year One | 42 | 15
Origination year - Fiscal Year Two | 182 | 49
Origination year - Fiscal Year Three | 317 | 192
Origination year - Fiscal Year Four | 323 | 315
Origination year - Fiscal Year Five | 88 | 312
Gross | 962 | 883
1 to 4 | Loan Receivables |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 58 | 2
Origination year - Fiscal Year One | 186 | 83
Origination year - Fiscal Year Two | 306 | 236
Origination year - Fiscal Year Three | 1,003 | 371
Origination year - Fiscal Year Four | 1,361 | 1,258
Origination year - Fiscal Year Five | 662 | 1,556
Gross | 3,576 | 3,506
1 to 4 | Lease Receivables |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 6 | 0
Origination year - Fiscal Year One | 21 | 9
Origination year - Fiscal Year Two | 110 | 23
Origination year - Fiscal Year Three | 194 | 112
Origination year - Fiscal Year Four | 218 | 187
Origination year - Fiscal Year Five | 35 | 207
Gross | 584 | 538
5 to 6 | Loan Receivables |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 38 | 2
Origination year - Fiscal Year One | 36 | 56
Origination year - Fiscal Year Two | 131 | 53
Origination year - Fiscal Year Three | 466 | 167
Origination year - Fiscal Year Four | 1,137 | 561
Origination year - Fiscal Year Five | 400 | 1,248
Gross | 2,208 | 2,087
5 to 6 | Lease Receivables |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 4 | 0
Origination year - Fiscal Year One | 20 | 6
Origination year - Fiscal Year Two | 70 | 25
Origination year - Fiscal Year Three | 117 | 77
Origination year - Fiscal Year Four | 103 | 120
Origination year - Fiscal Year Five | 50 | 103
Gross | 364 | 331
7 and Higher | Loan Receivables |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 0 | 0
Origination year - Fiscal Year One | 6 | 0
Origination year - Fiscal Year Two | 7 | 6
Origination year - Fiscal Year Three | 4 | 9
Origination year - Fiscal Year Four | 22 | 4
Origination year - Fiscal Year Five | 3 | 16
Gross | 42 | 35
7 and Higher | Lease Receivables |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 0 | 0
Origination year - Fiscal Year One | 1 | 0
Origination year - Fiscal Year Two | 2 | 1
Origination year - Fiscal Year Three | 6 | 3
Origination year - Fiscal Year Four | 2 | 8
Origination year - Fiscal Year Five | 3 | 2
Gross | $ 14 | $ 14

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