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Goodwill and Acquired Intangible Assets

9 Months Ended

Sep. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Effective January 1, 2019, the Company implemented an organizational change to its operating segments and will report future results under the separate segments: Americas, EMEA and APAC. The following table identifies the activity relating to goodwill by operating segment.



In millions	December 31, 2018		Reassignment of Goodwill			Currency translation adjustments			September 30, 2019
Goodwill
Americas	$	253	$	—		$	—		$	253
International	142		(142		)	—			—
EMEA	—		88			(1		)	87
APAC	—		54			—			54
Total goodwill	$	395	$	—		$	(1	)	$	394

Acquired intangible assets were specifically identified when acquired and are deemed to have finite lives. The gross carrying amount and accumulated amortization for the Company's acquired intangible assets were as follows:



		September 30, 2019					December 31, 2018
In millions	Amortization Life (in Years)	Gross Carrying Amount		Accumulated Amortization and Currency Translation Adjustments			Gross Carrying Amount		Accumulated Amortization and Currency Translation Adjustments
Acquired intangible assets
Intellectual property/developed technology	5	$	35	$	(24	)	$	35	$	(20	)

The aggregate amortization expense (actual and estimated) for acquired intangible assets is as follows:



	Three Months Ended September 30				Nine Months Ended September 30,
In millions	2019		2018		2019		2018
Amortization expense	$	1	$	1	$	4	$	5



	Actual		For the years ended (estimated)
In millions	2018		2019		2020		2021		2022
Amortization expense	$	7	$	6	$	4	$	4	$	2