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GOODWILL AND OTHER INTANGIBLE ASSETS Textuals (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2018	Jul. 31, 2017	Jul. 31, 2018	Jul. 31, 2017
Goodwill
Additions to goodwill			$ 329
Goodwill impairment	$ 0	$ 0	0	$ 0
Acquisition
Remeasurement gain on step acquisition			20	0
Intangible Assets, Net
Addition to other intangible assets			233
Foreign exchange translation impact to other intangible assets			0
Amortization of intangible assets during the period	28	28	80	92
Impairment of IPR&D	0	$ 0	0	$ 0
Life Sciences and Applied Markets
Goodwill
Goodwill Reallocation Increase (Decrease)			(45)
Additions to goodwill			30
Diagnostics and Genomics
Goodwill
Goodwill Reallocation Increase (Decrease)			45
Additions to goodwill			281
Third-Party Technology and Licenses
Intangible Assets, Net
Addition to other intangible assets			1
Purchased Technology
Intangible Assets, Net
Addition to other intangible assets			$ 7
Advanced Analytical Technologies, Inc [Member]
Acquisition
Purchase price	269
Lasergen [Member]
Acquisition
Purchase price	107
Remeasurement gain on step acquisition	20
Genohm SA [Member]
Acquisition
Purchase price	41
Ultra Scientific, Inc. [Member] [Member]
Acquisition
Purchase price	32
Contingent payment	$ 3

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