Investments in Non-Consolidated Affiliates Combined Results of Operations of Equity Method Investments (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Investments in and Advances to Affiliates, Schedule of Investments [Abstract]
Equity Method Investment, Summarized Financial Information, Revenue	$ 505	$ 497	$ 584
Equity Method Investment, Summarized Financial Information, Cost of Sales, Expenses and Income Tax Expense	507	488	571
Net income	$ (2)	$ 9	$ 13