Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2017


	December 31, 2016		Acquisition		Divestiture		Translation		June 30, 2017
(Millions)	Balance		activity		activity		and other		Balance
Industrial	$	2,536	$	—	$	—	$	93	$	2,629
Safety and Graphics		3,324		—		(276)		54		3,102
Health Care		1,609		—		—		41		1,650
Electronics and Energy		1,489		—		—		26		1,515
Consumer		208		—		—		1		209
Total Company	$	9,166	$	—	$	(276)	$	215	$	9,105

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 June 30, 2017, and December 31, 2016, follow:


	June 30,		December 31,
(Millions)	2017		2016
Customer related intangible assets	$	1,900	$	1,939
Patents		585		602
Other technology-based intangible assets		475		524
Definite-lived tradenames		392		420
Other amortizable intangible assets		209		211
Total gross carrying amount	$	3,561	$	3,696

Accumulated amortization — customer related		(818)		(797)
Accumulated amortization — patents		(494)		(497)
Accumulated amortization — other technology based		(284)		(302)
Accumulated amortization — definite-lived tradenames		(231)		(236)
Accumulated amortization — other		(173)		(173)
Total accumulated amortization	$	(2,000)	$	(2,005)

Total finite-lived intangible assets — net	$	1,561	$	1,691

Non-amortizable intangible assets (primarily tradenames)		640		629
Total intangible assets — net	$	2,201	$	2,320

Schedule of amortization expense for acquired intangible assets

Amortization expense for acquired intangible assets for the three and six months ended June 30, 2017 and 2016 follows:


	Three months ended				Six months ended
	June 30,				June 30,
(Millions)	2017		2016		2017		2016
Amortization expense	$	47	$	66	$	111	$	132

Schedule of expected amortization expense for acquired amortizable intangible assets

Expected amortization expense for acquired amortizable intangible assets recorded as of June 30, 2017:


	Remainder
	of												After
(Millions)	2017		2018		2019		2020		2021		2022		2022
Amortization expense	$	118	$	190	$	181	$	172	$	160	$	147	$	593