DISCONTINUED OPERATIONS DISCONTINUED OPERATIONS-Textual (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014	Nov. 01, 2014
Discontinued Operations and Disposal Groups [Abstract]
Cash per separation agreement				$ 700
Net transfer of cash and cash equivalents to Keysight	$ 0	$ 734	$ 0
Separation transaction costs		39	$ 178
Accumulated other comprehensive loss transferred to discontinued operations				332
Additional paid in capital transferred to discontinued operations				$ 28
Future transition service income		12
Future yearly lease income	12
Lease income from Keysight	$ 12
Transition service and lease income		$ 25