Investments in Non-Consolidated Affiliates Combined Assets, Liabilities and Equity of Equity Method Investments (Details) - USD ($) $ in Millions	Oct. 31, 2020	Oct. 31, 2019
Investments in and Advances to Affiliates [Line Items]
Equity Method Investment, Underlying Equity in Net Assets	$ 250	$ 314
Equity Method Investments	250	314
Current assets
Investments in and Advances to Affiliates [Line Items]
Equity Method Investment, Underlying Equity in Net Assets	158	186
Noncurrent assets
Investments in and Advances to Affiliates [Line Items]
Equity Method Investment, Underlying Equity in Net Assets	92	128
Current liabilities
Investments in and Advances to Affiliates [Line Items]
Equity Method Investments	73	96
Noncurrent liabilities
Investments in and Advances to Affiliates [Line Items]
Equity Method Investments	58	93
Total liabilities
Investments in and Advances to Affiliates [Line Items]
Equity Method Investments	131	189
NIC
Investments in and Advances to Affiliates [Line Items]
Equity Method Investments	31	32
Third parties
Investments in and Advances to Affiliates [Line Items]
Equity Method Investments	88	93
Total partners' capital and stockholders' equity
Investments in and Advances to Affiliates [Line Items]
Equity Method Investments	$ 119	$ 125