NEW ACCOUNTING PRONOUNCEMENTS Statement of Cash Flows (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Income tax expense (benefit)	$ 82	$ 42	$ (3)
Net cash provided by operating activities	793	512	731
Net cash used in financing activities	(268)	(1,089)	(117)
As Previously Reported
Net cash provided by operating activities		491	711
Net cash used in financing activities		$ (1,068)	$ (97)
Adjustments for New Accounting Principle, Early Adoption [Member]
Income tax expense (benefit)	$ 2