GOODWILL AND OTHER INTANGIBLE ASSETS Goodwill Roll forward (Details) $ in Millions	3 Months Ended
	Jan. 31, 2021 USD ($)
Goodwill Roll Forward
Goodwill beginning balance	$ 3,602
Foreign currency translation impact	16
Goodwill ending balance	3,618
Life Sciences and Applied Markets
Goodwill Roll Forward
Goodwill beginning balance	1,441
Foreign currency translation impact	8
Goodwill ending balance	1,449
Diagnostics and Genomics
Goodwill Roll Forward
Goodwill beginning balance	1,599
Foreign currency translation impact	3
Goodwill ending balance	1,602
Agilent CrossLab
Goodwill Roll Forward
Goodwill beginning balance	562
Foreign currency translation impact	5
Goodwill ending balance	$ 567