INCOME TAXES - Uncertain Tax Positions (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Reconciliation of the Total Amounts of Unrecognized Tax Benefits
Beginning of year balance	$ 229	$ 213	$ 272
Increases to tax positions taken during the current year	14	32	28
Increases to tax positions taken during prior years	11	29	20
Decreases to tax positions taken during prior years	(36)	(15)	(84)
Decreases due to lapse of statute of limitations	(7)	(11)	(4)
Settlements	(5)	(6)
Foreign exchange	(8)	(13)	(19)
End of year balance	198	229	213
Unrecognized tax benefits affecting effective tax rate if recognized	81	79
Total amount of expense from interest and penalties	0	23	11
Interest income on income tax examination	0	3	$ 4
Accrued interest and penalties on income tax	68	69
Interest income receivable on income tax examination	$ 0	$ 2