GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

12 Months Ended

Oct. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill balances and movements for each reportable segments during the period

The goodwill balances at October 31, 2018, 2017 and 2016 and the movements in 2018 and 2017 for each of our reportable segments are shown in the table below:

	Life Sciences and Applied Markets			Diagnostics and Genomics			Agilent CrossLab			Total
	(in millions)
Goodwill as of October 31, 2016	$	745		$	1,268		$	504		$	2,517
Foreign currency translation impact	2			10			—			12
Goodwill arising from acquisitions	26			52			—			78
Goodwill as of October 31, 2017	$	773		$	1,330		$	504		$	2,607
Foreign currency translation impact	(7		)	(4		)	(4		)	(15		)
Goodwill arising from acquisitions	37			281			63			381
Goodwill as of October 31, 2018	$	803		$	1,607		$	563		$	2,973

Components of other intangibles during the period

The component parts of other intangible assets at October 31, 2018 and 2017 are shown in the table below:

	Other Intangible Assets
	Gross Carrying Amount		Accumulated Amortization and Impairments		Net Book Value
	(in millions)
As of October 31, 2017:
Purchased technology	$	855	$	646	$	209
Trademark/Tradename	149		73		76
Customer relationships	151		112		39
Third-party technology and licenses	$	27	$	14	$	13
Total amortizable intangible assets	$	1,182	$	845	$	337
In-Process R&D	24		—		24
Total	$	1,206	$	845	$	361
As of October 31, 2018:
Purchased technology	$	947	$	683	$	264
Trademark/Tradename	151		88		63
Customer relationships	107		63		44
Third-party technology and licenses	$	28	$	19	$	9
Total amortizable intangible assets	$	1,233	$	853	$	380
In-Process R&D	111		—		111
Total	$	1,344	$	853	$	491

Future Amortization expense for the next five years and thereafter

Future amortization expense related to existing finite-lived purchased intangible assets associated with business combinations for the next five fiscal years and thereafter is estimated below:

Estimated future amortization expense:
	(in millions)
2019	$	94
2020	$	79
2021	$	65
2022	$	51
2023	$	41
Thereafter	$	50