Goodwill and Other Intangible Assets

12 Months Ended

Dec. 31, 2020

GOODWILL AND OTHER INTANGIBLE ASSETS

We completed our annual impairment tests of goodwill in 2020 and 2019 and concluded in each year that no impairments exist.


Summary of Other Intangible Assets
	Weighted Average Amortization Period (Years)	Gross Carrying Amount		Less Accumulated Amortization		Net Carrying Amount
Developed technologies
2020	13	$	5,305	$	1,573	$	3,732
2019	14	3,731		1,271		2,460
Customer relationships
2020	15	$	2,352	$	988	$	1,364
2019	16	2,160		848		1,312
Patents
2020	12	$	346	$	278	$	68
2019	11	348		265		83
Trademarks
2020	17	$	428	$	162	$	266
2019	18	362		136		226
In-process research and development
2020	N/A	$	97	$	—	$	97
2019	N/A	110		—		110
Other
2020	8	$	128	$	101	$	27
2019	8	125		89		36
Total
2020	14	$	8,656	$	3,102	$	5,554
2019	14	6,836		2,609		4,227


Changes in the Net Carrying Value of Goodwill by Segment
	Orthopaedics		MedSurg		Neurotechnology and Spine		Total
2018	$	2,399	$	3,581	$	2,583	$	8,563
Additions and adjustments	—		229		318		547
Foreign exchange	(13)		(11)		(17)		(41)
2019	$	2,386	$	3,799	$	2,884	$	9,069
Additions and adjustments	3,551		1		7		3,559
Foreign exchange	67		31		52		150
2020	$	6,004	$	3,831	$	2,943	$	12,778


Estimated Amortization Expense
2021		2022		2023		2024		2025
$	600	$	588	$	567	$	540	$	518