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Financing Receivables - Schedule of Financing Receivables Categorized by Internal Credit Risk Rating (Details) - USD ($) $ in Millions | Jan. 23, 2021 | Jul. 25, 2020
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | $ 54 |
Origination year - Fiscal Year 2017 | 373 |
Origination year - Fiscal Year 2018 | 930 |
Origination year - Fiscal Year 2019 | 2,196 |
Origination year - Fiscal Year 2020 | 3,695 |
Origination year - Fiscal Year 2021 | 2,912 |
Gross | 10,160 | $ 10,780
Lease Receivables |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 28 |
Origination year - Fiscal Year 2017 | 99 |
Origination year - Fiscal Year 2018 | 280 |
Origination year - Fiscal Year 2019 | 532 |
Origination year - Fiscal Year 2020 | 711 |
Origination year - Fiscal Year 2021 | 118 |
Gross | 1,768 | 2,013
Loan Receivables |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 23 |
Origination year - Fiscal Year 2017 | 204 |
Origination year - Fiscal Year 2018 | 540 |
Origination year - Fiscal Year 2019 | 1,201 |
Origination year - Fiscal Year 2020 | 2,105 |
Origination year - Fiscal Year 2021 | 1,744 |
Gross | 5,817 | 5,937
Financed Service Contracts |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 3 |
Origination year - Fiscal Year 2017 | 70 |
Origination year - Fiscal Year 2018 | 110 |
Origination year - Fiscal Year 2019 | 463 |
Origination year - Fiscal Year 2020 | 879 |
Origination year - Fiscal Year 2021 | 1,050 |
Gross | 2,575 | 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 | 10 |
Origination year - Fiscal Year 2017 | 49 |
Origination year - Fiscal Year 2018 | 153 |
Origination year - Fiscal Year 2019 | 248 |
Origination year - Fiscal Year 2020 | 331 |
Origination year - Fiscal Year 2021 | 16 |
Gross | 807 | 992
1 to 4 | Loan Receivables |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 16 |
Origination year - Fiscal Year 2017 | 141 |
Origination year - Fiscal Year 2018 | 387 |
Origination year - Fiscal Year 2019 | 774 |
Origination year - Fiscal Year 2020 | 1,302 |
Origination year - Fiscal Year 2021 | 1,053 |
Gross | 3,673 | 3,808
1 to 4 | Financed Service Contracts |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 2 |
Origination year - Fiscal Year 2017 | 49 |
Origination year - Fiscal Year 2018 | 51 |
Origination year - Fiscal Year 2019 | 213 |
Origination year - Fiscal Year 2020 | 455 |
Origination year - Fiscal Year 2021 | 742 |
Gross | 1,512 | 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 | 15 |
Origination year - Fiscal Year 2017 | 48 |
Origination year - Fiscal Year 2018 | 121 |
Origination year - Fiscal Year 2019 | 270 |
Origination year - Fiscal Year 2020 | 360 |
Origination year - Fiscal Year 2021 | 98 |
Gross | 912 | 952
5 to 6 | Loan Receivables |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 5 |
Origination year - Fiscal Year 2017 | 60 |
Origination year - Fiscal Year 2018 | 145 |
Origination year - Fiscal Year 2019 | 362 |
Origination year - Fiscal Year 2020 | 745 |
Origination year - Fiscal Year 2021 | 672 |
Gross | 1,989 | 1,961
5 to 6 | Financed Service Contracts |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 1 |
Origination year - Fiscal Year 2017 | 21 |
Origination year - Fiscal Year 2018 | 57 |
Origination year - Fiscal Year 2019 | 235 |
Origination year - Fiscal Year 2020 | 412 |
Origination year - Fiscal Year 2021 | 305 |
Gross | 1,031 | 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 | 3 |
Origination year - Fiscal Year 2017 | 2 |
Origination year - Fiscal Year 2018 | 6 |
Origination year - Fiscal Year 2019 | 14 |
Origination year - Fiscal Year 2020 | 20 |
Origination year - Fiscal Year 2021 | 4 |
Gross | 49 | 69
7 and Higher | Loan Receivables |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Origination year - Prior | 2 |
Origination year - Fiscal Year 2017 | 3 |
Origination year - Fiscal Year 2018 | 8 |
Origination year - Fiscal Year 2019 | 65 |
Origination year - Fiscal Year 2020 | 58 |
Origination year - Fiscal Year 2021 | 19 |
Gross | 155 | 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 | 2 |
Origination year - Fiscal Year 2019 | 15 |
Origination year - Fiscal Year 2020 | 12 |
Origination year - Fiscal Year 2021 | 3 |
Gross | $ 32 | $ 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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