Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2017

Goodwill and Intangible Assets

Goodwill

	December 31, 2016		Acquisition		Translation		March 31, 2017
(Millions)	Balance		activity		and other		Balance
Industrial	$	2,536	$	—	$	41	$	2,577
Safety and Graphics		3,324		—		20		3,344
Health Care		1,609		—		18		1,627
Electronics and Energy		1,489		—		13		1,502
Consumer		208		—		—		208
Total Company	$	9,166	$	—	$	92	$	9,258

Acquired Intangible Assets

	March 31,		December 31,
(Millions)	2017		2016
Customer related intangible assets	$	1,935	$	1,939
Patents		604		602
Other technology-based intangible assets		527		524
Definite-lived tradenames		417		420
Other amortizable intangible assets		213		211
Total gross carrying amount	$	3,696	$	3,696
Accumulated amortization — customer related		(824)		(797)
Accumulated amortization — patents		(506)		(497)
Accumulated amortization — other technology based		(315)		(302)
Accumulated amortization — definite-lived tradenames		(239)		(236)
Accumulated amortization — other		(176)		(173)
Total accumulated amortization	$	(2,060)	$	(2,005)
Total finite-lived intangible assets — net	$	1,636	$	1,691
Non-amortizable intangible assets (primarily tradenames)		633		629
Total intangible assets — net	$	2,269	$	2,320

Schedule of amortization expense for acquired intangible assets

Amortization expense for acquired intangible assets for the three-month periods ended March 31, 2017 and 2016 follows:

	Three months ended
	March 31,
(Millions)	2017		2016
Amortization expense	$	64	$	66

Schedule of expected amortization expense for acquired amortizable intangible assets

Expected amortization expense for acquired amortizable intangible assets recorded as of March 31, 2017:

	Remainder
	of												After
(Millions)	2017		2018		2019		2020		2021		2022		2022
Amortization expense	$	183	$	195	$	186	$	177	$	161	$	146	$	588