v3.19.1

Financing Receivables and Operating Leases (Additional Information) (Details) $ in Millions | 9 Months Ended |
--- | --- | ---
Apr. 27, 2019 USD ($) rating | Jul. 28, 2018 USD ($)
Financing Receivables And Guarantees [Line Items] |  |
Average lease term | 4 years |
Threshold for past due receivables | 31 days |
Unbilled or current financing receivables included in greater than 91 days plus past due | $ | $ 249 | $ 503
Financing receivable, 91 days past due and still accruing | $ | $ 231 | $ 182
Investment credit risk ratings range lowest (rating) | 1 |
Highest rating when receivables are deemed impaired (rating) | 10 |
Rating at or higher when receivables deemed impaired (rating) | 8 |
Maximum |  |
Financing Receivables And Guarantees [Line Items] |  |
Loan receivables term | 3 years |
Maximum | Financed Service Contracts |  |
Financing Receivables And Guarantees [Line Items] |  |
Financed service contracts term | 3 years |
Minimum | Financed Service Contracts |  |
Financing Receivables And Guarantees [Line Items] |  |
Financed service contracts term | 1 year |

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- Definition Recorded investment in financing receivables that are 90 days or more past due and still accruing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 + Details
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