SEGMENT INFORMATION - Segment Assets (Details) - USD ($) $ in Millions	Jan. 31, 2024	Oct. 31, 2023
Segment Reporting Information
Assets	$ 10,948	$ 10,763
Corporate, Non-Segment
Segment Reporting Information
Assets	2,899	2,739
Life Sciences and Applied Markets | Operating Segments
Segment Reporting Information
Assets	3,140	3,161
Diagnostics and Genomics | Operating Segments
Segment Reporting Information
Assets	3,962	3,966
Agilent CrossLab | Operating Segments
Segment Reporting Information
Assets	$ 947	$ 897