Allowance for Doubtful Accounts - Retail, Wholesale, Trade & Other (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 31, 2013 segments		Oct. 31, 2012		Oct. 31, 2011
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable By Class Number of Portfolio Segments	2
Allowance for doubtful accounts at beginning of period	$ 51		$ 50		$ 96
Provision for doubtful accounts, net of recoveries	20		14		(6)	[1]
Charge-off of accounts	(11)	[2]	(13)	[2]	(40)	[2]
Allowance for doubtful accounts at end of period	60		51		50
Loss on Contract Termination for Default	2		6		20
Retail Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for doubtful accounts at beginning of period	27		31		58
Provision for doubtful accounts, net of recoveries	4		3		(5)	[1]
Charge-off of accounts	(10)	[2]	(7)	[2]	(22)	[2]
Allowance for doubtful accounts at end of period	21		27		31
Wholesale Portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for doubtful accounts at beginning of period	0		2		2
Provision for doubtful accounts, net of recoveries	2		(2)		0	[1]
Charge-off of accounts	0	[2]	0	[2]	0	[2]
Allowance for doubtful accounts at end of period	2		0		2
Financing Receivable Number Of Classes Of Receivables In Each Portfolio	1
Trade and Other Receivables [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for doubtful accounts at beginning of period	24		17		36
Provision for doubtful accounts, net of recoveries	14		13		(1)	[1]
Charge-off of accounts	(1)	[2]	(6)	[2]	(18)	[2]
Allowance for doubtful accounts at end of period	$ 37		$ 24		$ 17

[1] Amounts include currency translation.

[2] We repossess sold and leased vehicles on defaulted finance receivables and leases, and place them into Inventories. Losses recognized at the time of repossession and charged against the allowance for doubtful accounts were $2 million, $6 million, and $20 million in 2013, 2012, and 2011, respectively.