Commitments and Contingencies (Details)	3 Months Ended	12 Months Ended			0 Months Ended		12 Months Ended					12 Months Ended				12 Months Ended
	Apr. 30, 2010	Oct. 31, 2012 USD ($) site	Oct. 31, 2012 Pending Litigation [Member] FATMA Notice, Trial [Member] Penalties [Member] USD ($)	Oct. 31, 2012 Pending Litigation [Member] FATMA Notice, Trial [Member] Penalties [Member] BRL	Jan. 31, 2012 Pending Litigation [Member] Lis Franco vs. Syntex and MWM, Trial [Member] USD ($)	Oct. 25, 2011 Pending Litigation [Member] Lis Franco vs. Syntex and MWM, Trial [Member] BRL	Dec. 31, 1999 Pending Litigation [Member] Lis Franco vs. Syntex and MWM, Trial [Member] Royalties [Member] BRL	Jul. 31, 2012 Pending Litigation [Member] Lis Franco vs. Syntex and MWM, Trial [Member] Royalties [Member] USD ($)	May 30, 2010 Pending Litigation [Member] Lis Franco vs. Syntex and MWM, Trial [Member] Royalties [Member] BRL	Dec. 31, 2009 Pending Litigation [Member] Lis Franco vs. Syntex and MWM, Trial [Member] Royalties [Member] BRL	Oct. 31, 2012 Damages from Product Defects [Member]	Oct. 31, 2012 Damages from Product Defects [Member] Kruse Technology vs. Ford Motor Company [Member] patents	Oct. 31, 2012 Damages from Product Defects [Member] Non-conformance Penalties [Member] Penalties [Member] USD ($)	Oct. 31, 2012 G E Operating Agreement [Domain] USD ($)	Oct. 31, 2011 G E Operating Agreement [Domain] USD ($)	Oct. 31, 2012 Minimum [Member]	Oct. 31, 2012 Maximum [Member]
Loss Contingencies [Line Items]
Length of Agreement	3
Length Of Potential Automatic Extension Years	1
Operating Agreement Excess Loss Percentage														10.00%
Off Balance Sheet Finance Receivables														$ 1,200,000,000	$ 723,000,000
Off Balance Sheet Finance Receivables Related Originations														1,600,000,000	818,000,000
Historical losses on finance receivables, measured as percentage of average balance of related finance receivable																0.30%	2.10%
Available stand-by letters of credit and surety bonds		69,000,000
Line of Credit Facility, Remaining Borrowing Capacity		34,000,000
Purchase commitments		65,000,000
Long Term Purchase Commitment Cancellation Fees		49,000,000
Number of Contaminated Sites		3
Number of Contaminated Sites in Sao Paulo, Brazil		2
Accrual for environmental loss contingencies		21,000,000
Damages sought, value			1,000,000	2,000,000	0	10,850,000	42,000,000						34,000,000
Potential patent infringement, number of patents												3
Estimate of possible loss							16,000,000	36,000,000	74,000,000	70,000,000
Notice of Violation, number											7,600
Maximum Non-Conformance Penalty per unit		$ 3,775