SEGMENT INFORMATION - Segment Assets (Details) - USD ($) $ in Millions	Jan. 31, 2017	Oct. 31, 2016
Segment Reporting Information
Assets	$ 7,872	$ 7,794
Life Sciences and Applied Markets
Segment Reporting Information
Assets	1,677	1,687
Diagnostics and Genomics
Segment Reporting Information
Assets	2,052	1,960
Agilent CrossLab
Segment Reporting Information
Assets	1,102	1,082
Segment Total
Segment Reporting Information
Assets	$ 4,831	$ 4,729