v3.10.0.1

Financing Receivables and Operating Leases (Schedule of Financing Receivables Categorized by Internal Credit Risk Rating) (Details) - USD ($) $ in Millions | Oct. 27, 2018 | Jul. 28, 2018
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | $ 9,535 | $ 9,872
1 to 4 |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 5,814 | 5,946
5 to 6 |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 3,596 | 3,786
7 and Higher |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 125 | 140
Total |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 9,535 | 9,872
Lease Receivables | 1 to 4 |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 1,238 | 1,294
Lease Receivables | 5 to 6 |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 1,084 | 1,199
Lease Receivables | 7 and Higher |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 49 | 54
Lease Receivables | Total |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 2,371 | 2,547
Loan Receivables | 1 to 4 |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 3,122 | 3,184
Loan Receivables | 5 to 6 |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 1,744 | 1,752
Loan Receivables | 7 and Higher |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 58 | 63
Loan Receivables | Total |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 4,924 | 4,999
Financed Service Contracts | 1 to 4 |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 1,454 | 1,468
Financed Service Contracts | 5 to 6 |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 768 | 835
Financed Service Contracts | 7 and Higher |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | 18 | 23
Financed Service Contracts | Total |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Gross receivables less unearned income | $ 2,240 | $ 2,326

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