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Financing Receivables - Schedule of Financing Receivables Categorized by Internal Credit Risk Rating (Details) - USD ($) $ in Millions | May 01, 2021 | Jul. 25, 2020
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | $ 25 |
Origination year - Fiscal Year 2017 | 270 |
Origination year - Fiscal Year 2018 | 732 |
Origination year - Fiscal Year 2019 | 1,750 |
Origination year - Fiscal Year 2020 | 3,090 |
Origination year - Fiscal Year 2021 | 3,874 |
Gross | 9,741 | $ 10,780
Lease Receivables |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 13 |
Origination year - Fiscal Year 2017 | 65 |
Origination year - Fiscal Year 2018 | 222 |
Origination year - Fiscal Year 2019 | 447 |
Origination year - Fiscal Year 2020 | 636 |
Origination year - Fiscal Year 2021 | 259 |
Gross | 1,642 | 2,013
Loan Receivables |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 11 |
Origination year - Fiscal Year 2017 | 150 |
Origination year - Fiscal Year 2018 | 439 |
Origination year - Fiscal Year 2019 | 999 |
Origination year - Fiscal Year 2020 | 1,779 |
Origination year - Fiscal Year 2021 | 2,260 |
Gross | 5,638 | 5,937
Financed Service Contracts |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 1 |
Origination year - Fiscal Year 2017 | 55 |
Origination year - Fiscal Year 2018 | 71 |
Origination year - Fiscal Year 2019 | 304 |
Origination year - Fiscal Year 2020 | 675 |
Origination year - Fiscal Year 2021 | 1,355 |
Gross | 2,461 | 2,830
1 to 4 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross |  | 6,445
1 to 4 | Lease Receivables |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 5 |
Origination year - Fiscal Year 2017 | 34 |
Origination year - Fiscal Year 2018 | 126 |
Origination year - Fiscal Year 2019 | 209 |
Origination year - Fiscal Year 2020 | 292 |
Origination year - Fiscal Year 2021 | 101 |
Gross | 767 | 992
1 to 4 | Loan Receivables |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 7 |
Origination year - Fiscal Year 2017 | 114 |
Origination year - Fiscal Year 2018 | 321 |
Origination year - Fiscal Year 2019 | 672 |
Origination year - Fiscal Year 2020 | 1,134 |
Origination year - Fiscal Year 2021 | 1,377 |
Gross | 3,625 | 3,808
1 to 4 | Financed Service Contracts |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 1 |
Origination year - Fiscal Year 2017 | 42 |
Origination year - Fiscal Year 2018 | 33 |
Origination year - Fiscal Year 2019 | 144 |
Origination year - Fiscal Year 2020 | 316 |
Origination year - Fiscal Year 2021 | 951 |
Gross | 1,487 | 1,645
5 to 6 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross |  | 4,066
5 to 6 | Lease Receivables |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 7 |
Origination year - Fiscal Year 2017 | 29 |
Origination year - Fiscal Year 2018 | 92 |
Origination year - Fiscal Year 2019 | 227 |
Origination year - Fiscal Year 2020 | 324 |
Origination year - Fiscal Year 2021 | 154 |
Gross | 833 | 952
5 to 6 | Loan Receivables |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 3 |
Origination year - Fiscal Year 2017 | 33 |
Origination year - Fiscal Year 2018 | 112 |
Origination year - Fiscal Year 2019 | 270 |
Origination year - Fiscal Year 2020 | 596 |
Origination year - Fiscal Year 2021 | 855 |
Gross | 1,869 | 1,961
5 to 6 | Financed Service Contracts |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 0 |
Origination year - Fiscal Year 2017 | 13 |
Origination year - Fiscal Year 2018 | 37 |
Origination year - Fiscal Year 2019 | 151 |
Origination year - Fiscal Year 2020 | 349 |
Origination year - Fiscal Year 2021 | 400 |
Gross | 950 | 1,153
7 and Higher |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross |  | 269
7 and Higher | Lease Receivables |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 1 |
Origination year - Fiscal Year 2017 | 2 |
Origination year - Fiscal Year 2018 | 4 |
Origination year - Fiscal Year 2019 | 11 |
Origination year - Fiscal Year 2020 | 20 |
Origination year - Fiscal Year 2021 | 4 |
Gross | 42 | 69
7 and Higher | Loan Receivables |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 1 |
Origination year - Fiscal Year 2017 | 3 |
Origination year - Fiscal Year 2018 | 6 |
Origination year - Fiscal Year 2019 | 57 |
Origination year - Fiscal Year 2020 | 49 |
Origination year - Fiscal Year 2021 | 28 |
Gross | 144 | 168
7 and Higher | Financed Service Contracts |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 0 |
Origination year - Fiscal Year 2017 | 0 |
Origination year - Fiscal Year 2018 | 1 |
Origination year - Fiscal Year 2019 | 9 |
Origination year - Fiscal Year 2020 | 10 |
Origination year - Fiscal Year 2021 | 4 |
Gross | $ 24 | $ 32

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- Definition Amount of financing receivable originated three years prior to current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 + Details
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