v3.19.1

Financing Receivables and Operating Leases (Schedule of Financing Receivables Categorized by Internal Credit Risk Rating) (Details) - USD ($) $ in Millions | Apr. 27, 2019 | Jul. 28, 2018
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | $ 9,892 | $ 9,872
1 to 4 |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 5,773 | 5,946
5 to 6 |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 3,903 | 3,786
7 and Higher |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 216 | 140
Total |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 9,892 | 9,872
Lease Receivables | 1 to 4 |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 1,235 | 1,294
Lease Receivables | 5 to 6 |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 1,029 | 1,199
Lease Receivables | 7 and Higher |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 39 | 54
Lease Receivables | Total |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 2,303 | 2,547
Loan Receivables | 1 to 4 |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 3,187 | 3,184
Loan Receivables | 5 to 6 |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 1,890 | 1,752
Loan Receivables | 7 and Higher |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 163 | 63
Loan Receivables | Total |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 5,240 | 4,999
Financed Service Contracts | 1 to 4 |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 1,351 | 1,468
Financed Service Contracts | 5 to 6 |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 984 | 835
Financed Service Contracts | 7 and Higher |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 14 | 23
Financed Service Contracts | Total |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | $ 2,349 | $ 2,326

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