Receivables - Allowance for Credit Losses (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 28, 2019	Jul. 29, 2018	Jul. 28, 2019	Jul. 29, 2018	Oct. 28, 2018
Allowance:
Beginning of period balance	$ 110.4	$ 114.8	$ 106.7	$ 113.8
Provision (credit) for credit losses	23.4	27.6	50.3	43.7
Write-offs	(33.2)	(32.4)	(73.4)	(63.1)
Recoveries	9.8	6.0	26.8	21.4
Translation adjustments		(0.3)		(0.1)
End of period balance	110.4	115.7	110.4	115.7
Balance individually evaluated	5.5	3.5	5.5	3.5
Receivables:
End of period balance	33,411.7	30,887.3	33,411.7	30,887.3	$ 30,646.7
Balance individually evaluated	72.8	64.0	72.8	64.0
Retail notes
Allowance:
Beginning of period balance	54.1	56.6	51.6	55.7
Provision (credit) for credit losses	5.5	5.9	18.1	12.0
Write-offs	(7.2)	(6.3)	(20.4)	(16.1)
Recoveries	1.8	0.8	5.0	5.4
Translation adjustments		(0.2)	(0.1)	(0.2)
End of period balance	54.2	56.8	54.2	56.8
Balance individually evaluated	2.0	0.1	2.0	0.1
Receivables:
End of period balance	18,596.6	17,422.0	18,596.6	17,422.0
Balance individually evaluated	60.8	55.5	60.8	55.5
Revolving charge accounts
Allowance:
Beginning of period balance	42.3	39.7	42.3	39.7
Provision (credit) for credit losses	17.9	20.4	33.3	28.8
Write-offs	(25.4)	(25.1)	(50.8)	(44.1)
Recoveries	7.5	4.7	17.5	15.3
End of period balance	42.3	39.7	42.3	39.7
Receivables:
End of period balance	3,798.7	3,686.9	3,798.7	3,686.9	3,797.6
Balance individually evaluated	0.2	0.9	0.2	0.9
Wholesale receivables
Allowance:
Beginning of period balance	8.0	9.9	8.0	9.9
Provision (credit) for credit losses	(0.3)	0.8	(4.0)	1.1
Write-offs	(0.1)	(0.2)	(0.1)	(0.6)
Recoveries	0.4	0.2	4.0	0.1
Translation adjustments		(0.1)	0.1	0.1
End of period balance	8.0	10.6	8.0	10.6
Balance individually evaluated	2.9	3.3	2.9	3.3
Receivables:
End of period balance	10,299.5	9,050.3	10,299.5	9,050.3	7,967.6
Balance individually evaluated	10.1	7.4	10.1	7.4
Financing leases
Allowance:
Beginning of period balance	6.0	8.6	4.8	8.5
Provision (credit) for credit losses	0.3	0.5	2.9	1.8
Write-offs	(0.5)	(0.8)	(2.1)	(2.3)
Recoveries	0.1	0.3	0.3	0.6
End of period balance	5.9	8.6	5.9	8.6
Balance individually evaluated	0.6	0.1	0.6	0.1
Receivables:
End of period balance	716.9	728.1	716.9	728.1	$ 770.6
Balance individually evaluated	$ 1.7	$ 0.2	$ 1.7	$ 0.2