Allowance for Credit Losses and Credit Quality of Receivables (Details 2) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
Allowance:
Beginning of year balance	$ 112.4	$ 111.4	$ 114.0
Provision (credit) for credit losses	32.3	27.3	6.4
Write-offs	(55.9)	(45.7)	(31.4)
Recoveries	22.6	20.2	22.5
Other changes (primarily translation adjustments)	(1.6)	(0.8)	(0.1)
End of year balance	109.8	112.4	111.4
Balance individually evaluated	1.2	2.0	3.8
Receivables:
End of year balance	29,092.4	30,505.9	28,833.3
Balance individually evaluated	32.1	25.9	54.0
Retail notes
Allowance:
Beginning of year balance	56.1	50.7	56.4
Provision (credit) for credit losses	9.4	13.2	(1.9)
Write-offs	(17.8)	(12.7)	(9.4)
Recoveries	6.5	5.5	5.9
Other changes (primarily translation adjustments)	(0.9)	(0.6)	(0.3)
End of year balance	53.3	56.1	50.7
Balance individually evaluated		1.7
Receivables:
End of year balance	18,659.0	19,461.3	18,246.5
Balance individually evaluated	20.2	24.5	21.3
Revolving charge accounts
Allowance:
Beginning of year balance	39.9	39.7	40.2
Provision (credit) for credit losses	20.7	10.5	4.0
Write-offs	(36.2)	(24.6)	(19.8)
Recoveries	15.3	14.3	15.3
End of year balance	39.7	39.9	39.7
Balance individually evaluated		0.2
Receivables:
End of year balance	2,680.8	2,535.9	2,534.9
Balance individually evaluated	0.2	0.2	0.3
Wholesale receivables
Allowance:
Beginning of year balance	7.6	6.4	5.9
Provision (credit) for credit losses	0.6	9.0	0.1
Write-offs	(0.3)	(7.7)	(0.3)
Recoveries	0.6	0.1	0.2
Other changes (primarily translation adjustments)	(0.4)	(0.2)	0.5
End of year balance	8.1	7.6	6.4
Balance individually evaluated	1.0	0.1	0.1
Receivables:
End of year balance	7,185.5	7,919.1	7,464.7
Balance individually evaluated	10.9	1.2	0.1
Other
Allowance:
Beginning of year balance	8.8	14.6	11.5
Provision (credit) for credit losses	1.6	(5.4)	4.2
Write-offs	(1.6)	(0.7)	(1.9)
Recoveries	0.2	0.3	1.1
Other changes (primarily translation adjustments)	(0.3)		(0.3)
End of year balance	8.7	8.8	14.6
Balance individually evaluated	0.2		3.7
Receivables:
End of year balance	567.1	$ 589.6	587.2
Balance individually evaluated	$ 0.8		$ 32.3