Goodwill and Other Intangibles (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of the Company's Other Intangible Assets

Summary of Other Intangible Assets
	Weighted Average Amortization Period (Years)	Gross Carrying Amount		Less Accumulated Amortization		Net Carrying Amount
Developed technologies
2019	14	$	3,731	$	1,271	$	2,460
2018	13	3,426		1,115		2,311
Customer relationships
2019	16	$	2,160	$	848	$	1,312
2018	15	2,155		703		1,452
Patents
2019	11	$	348	$	265	$	83
2018	12	332		231		101
Trademarks
2019	18	$	362	$	136	$	226
2018	18	349		108		241
In-process research and development
2019	N/A	$	110	—		$	110
2018	N/A	6		—		6
Other
2019	8	$	125	$	89	$	36
2018	11	128		76		52
Total
2019	14	$	6,836	$	2,609	$	4,227
2018	14	$	6,396	$	2,233	$	4,163

Changes in the Net Carrying Amount of Goodwill by Segment

Changes in the Net Carrying Value of Goodwill by Segment
	Orthopaedics			MedSurg			Neurotechnology and Spine			Total
2017	$	2,426		$	3,509		$	1,233		$	7,168
Additions and adjustments	4			100			1,366			1,470
Foreign exchange	(31		)	(28		)	(16		)	(75		)
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

Estimated Amortization Expense

Estimated Amortization Expense
2020		2021		2022		2023		2024
$	457	$	440	$	435	$	414	$	384