Investments in Non-Consolidated Affiliates Combined Results of Operations of Equity Method Investments (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Investments in and Advances to Affiliates, Schedule of Investments [Abstract]
Equity Method Investment, Summarized Financial Information, Revenue	$ 391	$ 505	$ 497
Equity Method Investment, Summarized Financial Information, Cost of Sales, Expenses and Income Tax Expense	385	507	488
Net income	$ 6	$ (2)	$ 9