Investments in Non-Consolidated Affiliates Combined Assets, Liabilities and Equity of Equity Method Investments (Details) - USD ($) $ in Millions	Oct. 31, 2019	Oct. 31, 2018
Equity Method Investment, Summarized Financial Information, Assets [Abstract]
Equity Method Investment, Summarized Financial Information, Current Assets	$ 186	$ 336
Equity Method Investment, Summarized Financial Information, Noncurrent Assets	128	168
Equity Method Investment, Summarized Financial Information, Assets	314	504
Equity Method Investment, Summarized Financial Information, Liabilities and Equity [Abstract]
Equity Method Investment, Summarized Financial Information, Current Liabilities	96	307
Equity Method Investment, Summarized Financial Information, Noncurrent Liabilities	93	38
Equity Method Investment, Summarized Financial Information, Liabilities	189	345
Equity Method Investment Summarized Financial Information, Equity [Abstract]
Equity Method Investment, Summarized Financial Information, Equity Excluding Noncontrolling Interests	32	53
Equity Method Investment, Summarized Financial Information, Noncontrolling Interest	93	106
Equity Method Investment Summarized Financial Information, Equity	125	159
Equity Method Investment, Summarized Financial Information, Liabilities and Equity	$ 314	$ 504

The amount of assets reported by an equity method investment of the entity.

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