INCOME TAXES INCOME TAXES - Assets and liabilities and Uncertain Tax Positions (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Operating Loss Carryforwards [Line Items]
Income tax expense (benefit)	$ 82	$ 42	$ (3)
Interest and penalties accrued related to unrecognized tax benefits accrued and reported	25	24
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	271
Current and Long-term Income Tax Assets and Liabilities
Current income tax assets (included within other current assets)	83	104
Long-term income tax assets (included within other assets)	19	20
Current income tax liabilities (included within other accrued liabilities)	(49)	(62)
Long-term income tax liabilities (included within other long-term liabilities)	(190)	(227)
Total	(137)	(165)
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued [Abstract]
Balance, beginning of year	289	417	512
Additions for tax positions related to the current year	31	33	45
Additions for tax positions from prior years	1	3	11
Reductions for tax positions from prior years	27	156	141
Settlements with taxing authorities	0	(4)	(2)
Statute of limitations expirations	(1)	(4)	(8)
Balance, end of year	293	289	417
Tax Interest and Penalties [Member]
Operating Loss Carryforwards [Line Items]
Income tax expense (benefit)	$ 2	$ (2)	$ 10