STOCKHOLDERS' EQUITY - Reclassifications out of accumulated comprehensive income (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2018	Jan. 31, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	$ 0	$ 1
Unrealized gains and (losses) on derivatives reclassified to cost of products, before tax	0	1
Reclassification of (gains) and losses into earnings related to derivative instruments, tax	0	(1)
Unrealized gains and (losses) on derivatives reclassified to cost of products, net of tax	0	0
Actuarial net loss	(9)	(22)
Prior service benefit	2	2
Actuarial net loss and prior service benefit reclassified, before tax	(7)	(20)
Tax on actuarial net loss and prior service benefit reclassified	1	6
Actuarial net loss and prior service benefit reclassified, net of tax	(6)	(14)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	$ (6)	$ (14)