Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2016


	December 31, 2015		Acquisition		Translation		September 30, 2016
(Millions)	Balance		activity		and other		Balance
Industrial	$	2,573	$	1	$	68	$	2,642
Safety and Graphics		3,342		43		10		3,395
Health Care		1,624		12		20		1,656
Electronics and Energy		1,510		—		16		1,526
Consumer		200		—		11		211
Total Company	$	9,249	$	56	$	125	$	9,430

Acquired Intangible Assets

The carrying amount and accumulated amortization of acquired finite-lived intangible assets, in addition to the balance of non-amortizable intangible assets, as of September 30, 2016, and December 31, 2015, follow:


	September 30,		December 31,
(Millions)	2016		2015
Customer related intangible assets	$	1,977	$	1,973
Patents		608		616
Other technology-based intangible assets		529		525
Definite-lived tradenames		425		421
Other amortizable intangible assets		214		216
Total gross carrying amount	$	3,753	$	3,751

Accumulated amortization — customer related		(773)		(668)
Accumulated amortization — patents		(496)		(481)
Accumulated amortization — other technology based		(293)		(252)
Accumulated amortization — definite-lived tradenames		(235)		(215)
Accumulated amortization — other		(172)		(169)
Total accumulated amortization	$	(1,969)	$	(1,785)

Total finite-lived intangible assets — net	$	1,784	$	1,966

Non-amortizable intangible assets (primarily tradenames)		638		635
Total intangible assets — net	$	2,422	$	2,601

Schedule of amortization expense for acquired intangible assets

Amortization expense for acquired intangible assets for the three and nine months ended September 30, 2016 and 2015 follows:


	Three months ended				Nine months ended
	September 30,				September 30,
(Millions)	2016		2015		2016		2015
Amortization expense	$	63	$	66	$	195	$	169

Schedule of expected amortization expense for acquired amortizable intangible assets

Expected amortization expense for acquired amortizable intangible assets recorded as of September 30, 2016:


	Remainder
	of												After
(Millions)	2016		2017		2018		2019		2020		2021		2021
Amortization expense	$	62	$	228	$	205	$	192	$	182	$	167	$	748