Receivables - Allowance for Credit Losses (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 29, 2018	Apr. 30, 2017	Apr. 29, 2018	Apr. 30, 2017	Oct. 29, 2017
Allowance:
Beginning of period balance	$ 114.1	$ 109.9	$ 113.8	$ 111.7
Provision for credit losses	13.3	24.6	16.1	28.3
Write-offs	(20.0)	(29.3)	(30.8)	(41.0)
Recoveries	7.7	7.7	15.5	14.0
Translation adjustments	(0.3)	0.1	0.2
End of period balance	114.8	113.0	114.8	113.0
Balance individually evaluated	2.7	3.4	2.7	3.4
Receivables:
End of period balance	29,856.0	27,744.5	29,856.0	27,744.5	$ 28,395.7
Balance individually evaluated	57.4	89.5	57.4	89.5
Retail notes
Allowance:
Beginning of period balance	55.8	54.7	55.7	56.3
Provision for credit losses	3.7	8.2	6.0	13.1
Write-offs	(4.7)	(10.7)	(9.9)	(18.1)
Recoveries	2.0	2.8	4.6	3.7
Translation adjustments	(0.2)		0.2
End of period balance	56.6	55.0	56.6	55.0
Balance individually evaluated	0.1	0.6	0.1	0.6
Receivables:
End of period balance	16,907.0	16,609.4	16,907.0	16,609.4
Balance individually evaluated	45.8	83.0	45.8	83.0
Revolving charge accounts
Allowance:
Beginning of period balance	39.7	39.7	39.7	39.7
Provision for credit losses	8.8	15.0	8.4	12.8
Write-offs	(14.3)	(17.1)	(18.9)	(20.2)
Recoveries	5.5	4.8	10.6	10.1
Translation adjustments			(0.1)
End of period balance	39.7	42.4	39.7	42.4
Balance individually evaluated		2.6		2.6
Receivables:
End of period balance	3,152.5	2,990.7	3,152.5	2,990.7	3,572.6
Balance individually evaluated	1.1	4.2	1.1	4.2
Wholesale receivables
Allowance:
Beginning of period balance	10.2	7.0	9.9	7.2
Provision for credit losses	0.3		0.4
Write-offs	(0.4)		(0.5)	(0.1)
Translation adjustments	(0.2)		0.1	(0.1)
End of period balance	9.9	7.0	9.9	7.0
Balance individually evaluated	2.5		2.5
Receivables:
End of period balance	9,129.7	7,548.1	9,129.7	7,548.1	6,894.3
Balance individually evaluated	10.3	1.7	10.3	1.7
Financing leases
Allowance:
Beginning of period balance	8.4	8.5	8.5	8.5
Provision for credit losses	0.5	1.4	1.3	2.4
Write-offs	(0.6)	(1.5)	(1.5)	(2.6)
Recoveries	0.2	0.1	0.3	0.2
Translation adjustments	0.1	0.1		0.1
End of period balance	8.6	8.6	8.6	8.6
Balance individually evaluated	0.1	0.2	0.1	0.2
Receivables:
End of period balance	666.8	596.3	666.8	596.3	$ 714.2
Balance individually evaluated	$ 0.2	$ 0.6	$ 0.2	$ 0.6