Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2016

Goodwill and Intangible Assets

Goodwill

	December 31, 2015		Acquisition		Translation		March 31, 2016
(Millions)	Balance		activity		and other		Balance
Industrial	$	2,573	$	—	$	51	$	2,624
Safety and Graphics		3,342		3		32		3,377
Health Care		1,624		—		20		1,644
Electronics and Energy		1,510		—		14		1,524
Consumer		200		—		6		206
Total Company	$	9,249	$	3	$	123	$	9,375

Acquired Intangible Assets

	March 31,		December 31,
(Millions)	2016		2015
Customer related intangible assets	$	1,985	$	1,973
Patents		610		616
Other technology-based intangible assets		526		525
Definite-lived tradenames		423		421
Other amortizable intangible assets		218		216
Total gross carrying amount	$	3,762	$	3,751
Accumulated amortization — customer related		(706)		(668)
Accumulated amortization — patents		(484)		(481)
Accumulated amortization — other technology based		(267)		(252)
Accumulated amortization — definite-lived tradenames		(222)		(215)
Accumulated amortization — other		(172)		(169)
Total accumulated amortization	$	(1,851)	$	(1,785)
Total finite-lived intangible assets — net	$	1,911	$	1,966
Non-amortizable intangible assets (primarily tradenames)		640		635
Total intangible assets — net	$	2,551	$	2,601

Schedule of amortization expense for acquired intangible assets

Amortization expense for acquired intangible assets for the three-month periods ended March 31, 2016 and 2015 follows:

	Three months ended
	March 31,
(Millions)	2016		2015
Amortization expense	$	66	$	53

Schedule of expected amortization expense for acquired amortizable intangible assets

Expected amortization expense for acquired amortizable intangible assets recorded as of March 31, 2016:

	Remainder
	of												After
(Millions)	2016		2017		2018		2019		2020		2021		2021
Amortization expense	$	188	$	227	$	205	$	193	$	183	$	167	$	748