Commitments and Contingencies (Details) In Millions, unless otherwise specified	12 Months Ended						0 Months Ended		12 Months Ended				12 Months Ended			12 Months Ended
	Oct. 31, 2011 USD ($)	Oct. 31, 2011 Pending or Threatened Litigation [Member] Norfolk Complaint, Ruling [Member] USD ($) employees	Oct. 31, 2011 Pending or Threatened Litigation [Member] Garza Complaint, Ruling [Member] employees	Oct. 31, 2011 Pending or Threatened Litigation [Member] FATMA Notice, Trial [Member] Penalties [Member] USD ($)	Oct. 31, 2011 Pending or Threatened Litigation [Member] FATMA Notice, Trial [Member] Penalties [Member] BRL	Oct. 31, 2011 Pending or Threatened Litigation [Member] 6.0 Liter Diesel Engine, Trial [Member] lawsuits	Oct. 31, 2011 Pending or Threatened Litigation [Member] Lis Franco vs. Syntex and MWM, Trial [Member] USD ($)	Oct. 31, 2011 Pending or Threatened Litigation [Member] Lis Franco vs. Syntex and MWM, Trial [Member] BRL	Dec. 31, 1999 Pending or Threatened Litigation [Member] Lis Franco vs. Syntex and MWM, Trial [Member] Royalties [Member] BRL	Oct. 31, 2011 Pending or Threatened Litigation [Member] Lis Franco vs. Syntex and MWM, Trial [Member] Royalties [Member] USD ($)	May 30, 2010 Pending or Threatened Litigation [Member] Lis Franco vs. Syntex and MWM, Trial [Member] Royalties [Member] BRL	Dec. 31, 2009 Pending or Threatened Litigation [Member] Lis Franco vs. Syntex and MWM, Trial [Member] Royalties [Member] BRL	Oct. 31, 2011 Damages from Product Defects [Member] Kruse Technology vs. Ford Motor Company [Member] patents	Oct. 31, 2011 G E Operating Agreement [Member] USD ($)	Oct. 31, 2010 G E Operating Agreement [Member] USD ($)	Oct. 31, 2011 Minimum [Member]	Oct. 31, 2011 Maximum [Member]
Loss Contingencies [Line Items]
Length of Agreement														3 years
Length Of Potential Automatic Extension Years														1 year
Operating Agreement Excess Loss Percentage														excess of the first 10%
Loss Sharing Arrangement Reimbursement For Credit Losses In Excess Of Original Value Of Financed Contract Percent	10.00%
Outstanding finance receivables, off-balance sheet														$ 723	$ 144
Related originations of outstanding finance receivables, off-balance sheet														818	159
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	61
Unused credit commitments outstanding	30
Purchase commitments	117
Cancellation fees	32
Accrual for environmental loss contingencies	21
Defendent, number of former executive officers		2	2
Defendant, number of executive officers		1	1
Payment for legal settlement		13
Damages sought, value				1.20	2.00		6.40	10.85	42.00
Estimate of possible loss									16.0	$ 43.8	74.0	70.0
Number of substantially similiar lawsuits filed						19
Potential patent infringement, number of patents													3