Allowance for Doubtful Accounts - Schedule of Allowance for Retail, Wholesale, Trade & Other (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jan. 31, 2015		Jan. 31, 2014
Allowance for Doubtful Accounts Receivable [Roll Forward]
Allowance for doubtful accounts at beginning of period	$ 65		$ 60
Provision for doubtful accounts, net of recoveries	2	[1]	6	[1]
Charge-off of accounts	(4)	[2]	(2)	[2]
Allowance for doubtful accounts at end of period	58		60
Loss on Contract Termination for Default	1		1
Financing Receivable, Allowance for Credit Losses, Other	(5)		(4)
Retail Portfolio [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Allowance for doubtful accounts at beginning of period	24		21
Provision for doubtful accounts, net of recoveries	2	[1]	4	[1]
Charge-off of accounts	(1)	[2]	(2)	[2]
Allowance for doubtful accounts at end of period	23		22
Financing Receivable, Allowance for Credit Losses, Other	(2)		(1)
Wholesale Portfolio [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Allowance for doubtful accounts at beginning of period	3		2
Provision for doubtful accounts, net of recoveries	0	[1]	0	[1]
Charge-off of accounts	0	[2]	0	[2]
Allowance for doubtful accounts at end of period	3		2
Financing Receivable, Allowance for Credit Losses, Other	0		0
Trade and Other Receivables [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Allowance for doubtful accounts at beginning of period	38		37
Provision for doubtful accounts, net of recoveries	0	[1]	2	[1]
Charge-off of accounts	(3)	[2]	0	[2]
Allowance for doubtful accounts at end of period	32		36
Financing Receivable, Allowance for Credit Losses, Other	$ (3)		$ (3)

[1] (A)

[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 both less than $1 million, in three months ended January 31, 2015 and 2014, respectively.