INCOME TAXES Components Of Deferred Tax Assets And Liabilities (Details) - USD ($) $ in Millions	Oct. 31, 2019	Oct. 31, 2018
Income Tax Disclosure [Abstract]
Current income tax assets (included within other current assets)	$ 40	$ 32
Current income tax liabilities (included within income and other taxes payable)	(35)	(18)
Long-term income tax assets (included within other assets)	0	0
Long-term income tax liabilities (included within other long-term liabilities)	(198)	(205)
Total	$ (193)	$ (191)