Allowance for Credit Losses and Credit Quality of Receivables - Troubled Debt Restructurings (Details) $ in Millions	12 Months Ended
Oct. 28, 2018 USD ($) item	Oct. 29, 2017 USD ($) item	Oct. 30, 2016 USD ($) item
Receivables Related to Troubled Debt Restructurings
Receivable contracts in troubled debt restructuring, number \| item	378	424	150
Receivables in troubled debt restructurings, aggregate balances, pre-modification	$ 18.0	$ 14.0	$ 5.0
Receivables in troubled debt restructurings, aggregate balances, post-modification	17.3	12.6	$ 4.0
Receivable contracts in troubled debt restructuring, subsequently defaulted		$ 2.0
Commitments to lend additional funds to borrowers whose accounts were modified in troubled debt restructurings	$ 0.0

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- Definition

Number of financing receivables that have been 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

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Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

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- Definition

Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

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- Definition

Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953682-111524

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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

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