Allowance for Doubtful Accounts - Schedule of Allowance for Retail, Wholesale, Trade & Other (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015
Allowance for Doubtful Accounts Receivable [Roll Forward]
Allowance for doubtful accounts at beginning of period	$ 49	$ 48	$ 65
Provision for doubtful accounts, net of recoveries	8	12	7
Charge-off of accounts	(8)	(12)	(8)
Financing Receivable, Allowance for Credit Losses, Other	(1)	1	(16)
Allowance for doubtful accounts at end of period	48	49	48
Retail Portfolio [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Allowance for doubtful accounts at beginning of period	19	22	24
Provision for doubtful accounts, net of recoveries	5	8	6
Charge-off of accounts	(7)	(9)	(3)
Financing Receivable, Allowance for Credit Losses, Other	0	(2)	(5)
Allowance for doubtful accounts at end of period	17	19	22
Impaired Financing Receivable, Average Recorded Investment	18
Wholesale Portfolio [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Allowance for doubtful accounts at beginning of period	2	4	3
Provision for doubtful accounts, net of recoveries	1	(2)	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	3	2	4
Trade and Other Receivables [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Allowance for doubtful accounts at beginning of period	28	22	38
Provision for doubtful accounts, net of recoveries	2	6	0
Charge-off of accounts	(1)	(3)	(5)
Financing Receivable, Allowance for Credit Losses, Other	(1)	3	(11)
Allowance for doubtful accounts at end of period	$ 28	$ 28	$ 22