GOODWILL AND OTHER INTANGIBLE ASSETS Goodwill Roll forward (Details) $ in Millions	3 Months Ended
	Jan. 31, 2018 USD ($)
Goodwill Roll Forward
Goodwill beginning balance	$ 2,607
Foreign currency translation impact	21
Goodwill arising from acquisitions	5
Goodwill ending balance	2,633
Life Sciences and Applied Markets
Goodwill Roll Forward
Goodwill beginning balance	818
Foreign currency translation impact	8
Goodwill arising from acquisitions	5
Goodwill ending balance	831
Diagnostics and Genomics
Goodwill Roll Forward
Goodwill beginning balance	1,285
Foreign currency translation impact	9
Goodwill arising from acquisitions	0
Goodwill ending balance	1,294
Agilent CrossLab
Goodwill Roll Forward
Goodwill beginning balance	504
Foreign currency translation impact	4
Goodwill arising from acquisitions	0
Goodwill ending balance	$ 508