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FINANCING RECEIVABLES - Troubled Debt Restructuring (Details) $ in Millions | 3 Months Ended
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Jan. 27, 2019 USD ($) item | Jan. 28, 2018 USD ($) item
Financing Receivables Related to Troubled Debt Restructurings |  |
Financing receivable contracts in troubled debt restructuring, number | item | 70 | 102
Financing receivables in troubled debt restructurings, aggregate balances, pre-modification | $ 2 | $ 6
Financing receivables in troubled debt restructurings, aggregate balances, post-modification | 2 | $ 5
Commitments to lend additional funds to borrowers whose accounts were modified in troubled debt restructurings | $ 13 |

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- Definition Post-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524 + Details
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- Definition Pre-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524 + Details
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- Definition Reflects the unfunded portion of contractual agreements to lend funds to borrowers for loans whose terms have been modified by troubled debt restructuring. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18794-111554 + Details
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