GOODWILL AND OTHER INTANGIBLE ASSETS (Notes)

6 Months Ended

Apr. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

7. GOODWILL AND OTHER INTANGIBLE ASSETS

The following table presents goodwill balances and the movements for each of our reportable segments during the six months ended April 30, 2018:



	Life Sciences and Applied Markets		Diagnostics and Genomics		Agilent CrossLab		Total
	(in millions)
Goodwill as of October 31, 2017	$	818	$	1,285	$	504	$	2,607
Foreign currency translation impact	1		5		—		6
Goodwill arising from acquisitions	5		—		—		5
Goodwill as of April 30, 2018	$	824	$	1,290	$	504	$	2,618

The components of other intangible assets as of April 30, 2018 and October 31, 2017 are shown in the table below:



	Purchased Other Intangible Assets
	Gross Carrying Amount		Accumulated Amortization		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 April 30, 2018
Purchased technology	$	858	$	676	$	182
Trademark/Tradename	149		80		69
Customer relationships	151		124		27
Third-party technology and licenses	28		17		11
Total amortizable intangible assets	1,186		897		289
In-Process R&D	25		—		25
Total	$	1,211	$	897	$	314

During the six months ended April 30, 2018, we recorded additions to goodwill of $5 million and additions to other intangible assets of $2 million related to an acquisition. We also acquired approximately $1 million of third party technologies and licenses during the six months ended April 30, 2018. During the six months ended April 30, 2018, other intangible assets, net increased $2 million due to the impact of foreign exchange translation.

Each quarter we review the events and circumstances to determine if impairment of indefinite-lived intangible assets and goodwill is indicated. There were no indicators of impairments of indefinite-lived intangible assets or goodwill during the three and six months ended April 30, 2018 and 2017, respectively.

Amortization expense of intangible assets was $26 million and $52 million for the three and six months ended April 30, 2018, respectively. Amortization expense of intangible assets was $32 million and $64 million for the three and six months ended April 30, 2017, respectively.

Future amortization expense related to existing finite-lived purchased intangible assets for the remainder of fiscal year 2018 and for each of the five succeeding fiscal years and thereafter is estimated below:



Estimated future amortization expense:
(in millions)
Remainder of 2018	$	47
2019	$	71
2020	$	56
2021	$	42
2022	$	31
2023	$	21
Thereafter	$	21

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

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