Goodwill and Intangible Assets, Net

Goodwill

The following table presents the changes in the carrying amount of goodwill:



	Total
Balance at December 31, 2015	$	3,951
Foreign currency translation	(183		)
Acquisitions:
Imagetek	10
Other	9
Balance at December 31, 2016	$	3,787
Foreign currency translation	105
Acquisitions:
MT Business	33
Other	11
Divestiture⁽¹⁾	(6		)
Balance at December 31, 2017	$	3,930
Foreign currency translation	(63		)
Balance at December 31, 2018	$	3,867

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(1)	Relates to the sale of Xerox Research Centre Europe in Grenoble, France to Naver. Refer to Note 5 - Divestitures for additional information regarding this divestiture.

Intangible Assets, Net

Net intangible assets were $220 at December 31, 2018. Intangible assets were comprised of the following:



		December 31, 2018						December 31, 2017
	Weighted Average Amortization	Gross Carrying Amount		Accumulated Amortization		Net Amount		Gross Carrying Amount		Accumulated Amortization		Net Amount
Customer relationships	10 years	$	317	$	263	$	54	$	319	$	236	$	83
Distribution network	25 years	123		93		30		123		89		34
Trademarks	20 years	260		133		127		261		120		141
Technology and non-compete	14 years	15		6		9		16		6		10
Total Intangible Assets		$	715	$	495	$	220	$	719	$	451	$	268

Amortization expense related to intangible assets was $48, $53, and $58 for the three years ended December 31, 2018, 2017 and 2016, respectively. Excluding the impact of additional acquisitions, amortization expense is expected to approximate $48 in 2019, $45 in 2020, and $19 in each of the years 2021, 2022 and 2023.