GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

6 Months Ended

Apr. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill balances and movements for each reportable segments during the period

The following table presents goodwill balances and the movements for each of our reportable segments during the six months ended April 30, 2019:



	Life Sciences and Applied Markets		Diagnostics and Genomics			Agilent CrossLab			Total
	(in millions)
Goodwill as of October 31, 2018	$	803	$	1,607		$	563		$	2,973
Foreign currency translation impact	—		(2		)	(1		)	(3		)
Goodwill arising from acquisitions and adjustments	153		(11		)	—			142
Goodwill as of April 30, 2019	$	956	$	1,594		$	562		$	3,112

Components of other intangibles during the period

The components of other intangible assets as of April 30, 2019 and October 31, 2018 are shown in the table below:



	Purchased Other Intangible Assets
	Gross Carrying Amount		Accumulated Amortization and Impairments		Net Book Value
	(in millions)
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
As of April 30, 2019
Purchased technology	$	1,026	$	720	$	306
Trademark/Tradename	153		95		58
Customer relationships	127		71		56
Third-party technology and licenses	28		21		7
Total amortizable intangible assets	1,334		907		427
In-Process R&D	111		—		111
Total	$	1,445	$	907	$	538

Schedule of estimated future amortization expense of finite-lived intangible assets

Future amortization expense related to existing finite-lived purchased intangible assets for the remainder of fiscal year 2019 and for each of the five succeeding fiscal years and thereafter is estimated below:



Estimated future amortization expense:
(in millions)
Remainder of 2019	$	53
2020	$	94
2021	$	81
2022	$	65
2023	$	55
2024	$	46
Thereafter	$	33