Receivables (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2013	Apr. 30, 2012	Oct. 31, 2012
Allowance:
Beginning of period balance	$ 113.4	$ 120.8	$ 114.0	$ 126.3
Provision (credit) for credit losses	1.1	1.8	1.8	(1.0)
Write-offs	(7.7)	(10.2)	(15.2)	(19.6)
Recoveries	5.5	7.4	11.6	14.5
Other changes (primarily translation adjustments)	(0.2)		(0.1)	(0.4)
End of period balance	112.1	119.8	112.1	119.8
Balance individually evaluated	3.9	0.5	3.9	0.5
Receivables:
End of period balance	27,330.4	23,481.0	27,330.4	23,481.0	25,204.3
Balance individually evaluated	55.6	12.0	55.6	12.0
Retail notes
Allowance:
Beginning of period balance	56.5	62.4	56.4	67.8
Provision (credit) for credit losses	(3.6)	(0.9)	(2.6)	(5.5)
Write-offs	(2.5)	(1.2)	(5.4)	(3.2)
Recoveries	1.2	1.7	3.1	3.2
Other changes (primarily translation adjustments)	(0.5)		(0.4)	(0.3)
End of period balance	51.1	62.0	51.1	62.0
Receivables:
End of period balance	16,119.5	14,027.0	16,119.5	14,027.0
Balance individually evaluated	17.1	9.8	17.1	9.8
Revolving charge accounts
Allowance:
Beginning of period balance	39.7	39.7	40.2	39.7
Provision (credit) for credit losses	0.9	1.4	0.6	2.5
Write-offs	(4.7)	(7.0)	(8.8)	(13.5)
Recoveries	3.8	5.6	7.7	11.0
End of period balance	39.7	39.7	39.7	39.7
Receivables:
End of period balance	2,207.2	2,306.8	2,207.2	2,306.8
Balance individually evaluated		1.0		1.0
Wholesale receivables
Allowance:
Beginning of period balance	6.1	6.1	5.9	6.0
Provision (credit) for credit losses	0.1	0.5	0.2	0.6
Write-offs	(0.1)	(0.1)	(0.2)	(0.2)
Recoveries			0.1	0.1
Other changes (primarily translation adjustments)	0.3		0.4
End of period balance	6.4	6.5	6.4	6.5
Balance individually evaluated	0.2	0.5	0.2	0.5
Receivables:
End of period balance	8,421.8	6,626.1	8,421.8	6,626.1
Balance individually evaluated	0.2	1.2	0.2	1.2
Other
Allowance:
Beginning of period balance	11.1	12.6	11.5	12.8
Provision (credit) for credit losses	3.7	0.8	3.6	1.4
Write-offs	(0.4)	(1.9)	(0.8)	(2.7)
Recoveries	0.5	0.1	0.7	0.2
Other changes (primarily translation adjustments)			(0.1)	(0.1)
End of period balance	14.9	11.6	14.9	11.6
Balance individually evaluated	3.7		3.7
Receivables:
End of period balance	581.9	521.1	581.9	521.1
Balance individually evaluated	$ 38.3		$ 38.3