Receivables - Impaired Receivables (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
Jul. 29, 2018	Jul. 30, 2017	Oct. 29, 2017
Recorded Investment
Receivables with specific allowance	$ 7.5	$ 25.7	$ 13.9
Receivables without specific allowance	25.1	16.2	27.3
Total	32.6	41.9	41.2
Unpaid Principal Balance
Receivables with specific allowance	7.4	24.6	13.8
Receivables without specific allowance	24.9	16.0	27.0
Total	32.3	40.6	40.8
Specific Allowance	3.5	3.8	3.2
Average Recorded Investment
Receivables with specific allowance	8.7	28.4	13.2
Receivables without specific allowance	26.9	14.4	16.3
Total	35.6	42.8	29.5
Agriculture and turf
Recorded Investment
Total	26.8	35.3	36.0
Unpaid Principal Balance
Total	26.5	34.2	35.6
Specific Allowance	3.4	3.3	3.2
Average Recorded Investment
Total	29.5	35.7	23.9
Construction and forestry
Recorded Investment
Total	5.8	6.6	5.2
Unpaid Principal Balance
Total	5.8	6.4	5.2
Specific Allowance	0.1	0.5
Average Recorded Investment
Total	6.1	7.1	5.6
Retail notes
Recorded Investment
Receivables with specific allowance	0.9	20.5	2.2
Receivables without specific allowance	24.9	11.6	18.3
Unpaid Principal Balance
Receivables with specific allowance	0.8	19.5	2.1
Receivables without specific allowance	24.7	11.4	18.0
Specific Allowance	0.1	3.5	0.6
Average Recorded Investment
Receivables with specific allowance	0.9	23.2	2.2
Receivables without specific allowance	26.6	13.7	14.0
Wholesale receivables
Recorded Investment
Receivables with specific allowance	6.4	4.7	11.7
Receivables without specific allowance	0.2	4.6	9.0
Unpaid Principal Balance
Receivables with specific allowance	6.4	4.7	11.7
Receivables without specific allowance	0.2	4.6	9.0
Specific Allowance	3.3	0.2	2.6
Average Recorded Investment
Receivables with specific allowance	7.6	4.7	11.0
Receivables without specific allowance	0.3	0.7	$ 2.3
Financing leases
Recorded Investment
Receivables with specific allowance	0.2	0.5
Unpaid Principal Balance
Receivables with specific allowance	0.2	0.4
Specific Allowance	0.1	0.1
Average Recorded Investment
Receivables with specific allowance	$ 0.2	$ 0.5

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5258-111524

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5258-111524

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-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524

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