Allowance for Doubtful Accounts - Schedule of Allowance for Retail, Wholesale, Trade & Other (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Allowance for Doubtful Accounts Receivable [Roll Forward]
Allowance for doubtful accounts at beginning of period	$ 48	$ 65	$ 60
Provision for doubtful accounts, net of recoveries	12	7	24
Charge-off of accounts	(12)	(8)	(15)
Financing Receivable, Allowance for Credit Losses, Other	1	(16)	(4)
Allowance for doubtful accounts at end of period	49	48	65
Retail Portfolio [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Allowance for doubtful accounts at beginning of period	22	24	21
Provision for doubtful accounts, net of recoveries	8	6	13
Charge-off of accounts	(9)	(3)	(9)
Financing Receivable, Allowance for Credit Losses, Other	(2)	(5)	(1)
Allowance for doubtful accounts at end of period	19	22	24
Impaired Financing Receivable, Average Recorded Investment	18	21
Wholesale Portfolio [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Allowance for doubtful accounts at beginning of period	4	3	2
Provision for doubtful accounts, net of recoveries	(2)	1	1
Charge-off of accounts	0	0	0
Financing Receivable, Allowance for Credit Losses, Other	0	0	0
Allowance for doubtful accounts at end of period	2	4	3
Trade and Other Receivables [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Allowance for doubtful accounts at beginning of period	22	38	37
Provision for doubtful accounts, net of recoveries	6	0	10
Charge-off of accounts	(3)	(5)	(6)
Financing Receivable, Allowance for Credit Losses, Other	3	(11)	(3)
Allowance for doubtful accounts at end of period	$ 28	$ 22	$ 38