Goodwill and Other Intangibles

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

GOODWILL AND OTHER INTANGIBLE ASSETS

We completed our annual impairment tests of goodwill in 2017 and 2016 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
2017	12	$	2,416	$	917	$	1,499
2016	14	2,091		706		1,385
Customer relationships
2017	15	$	2,088	$	561	$	1,527
2016	15	2,049		407		1,642
Patents
2017	10	$	340	$	227	$	113
2016	11	317		206		111
Trademarks
2017	18	$	352	$	84	$	268
2016	18	348		59		289
In-process research and development
2017	N/A	$	25	—		$	25
2016	N/A	30		—		30
Other
2017	9	$	93	$	48	$	45
2016	12	115		64		51
Total
2017	14	$	5,314	$	1,837	$	3,477
2016	15	$	4,950	$	1,442	$	3,508



Changes in the Net Carrying Value of Goodwill by Segment
	Orthopaedics			MedSurg			Neurotechnology and Spine			Total
2015	$	2,344		$	782		$	1,010		$	4,136
Additions and adjustments	72			2,196			62			2,330
Foreign exchange	(44		)	(44		)	(22		)	(110		)
2016	$	2,372		$	2,934		$	1,050		$	6,356
Additions and adjustments	2			553			109			664
Foreign exchange	52			22			74			148
2017	$	2,426		$	3,509		$	1,233		$	7,168



Estimated Amortization Expense
2018		2019		2020		2021		2022
$	368	$	355	$	330	$	318	$	311

- 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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