Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets

Goodwill

	Dec. 31,		2015		2015		Dec. 31,		2016		2016		Dec. 31,
	2014		acquisition		translation		2015		acquisition		translation		2016
(Millions)	Balance		activity		and other		Balance		activity		and other		Balance
Industrial	$	2,042	$	637	$	(106)	$	2,573	$	—	$	(37)	$	2,536
Safety and Graphics		1,650		1,764		(72)		3,342		41		(59)		3,324
Health Care		1,589		94		(59)		1,624		12		(27)		1,609
Electronics and Energy		1,554		—		(44)		1,510		—		(21)		1,489
Consumer		215		—		(15)		200		—		8		208
Total Company	$	7,050	$	2,495	$	(296)	$	9,249	$	53	$	(136)	$	9,166

Acquired Intangible Assets

(Millions)	2016		2015
Customer related intangible assets	$	1,939	$	1,973
Patents		602		616
Other technology-based intangible assets		524		525
Definite-lived tradenames		420		421
Other amortizable intangible assets		211		216
Total gross carrying amount	$	3,696	$	3,751
Accumulated amortization — customer related		(797)		(668)
Accumulated amortization — patents		(497)		(481)
Accumulated amortization — other technology based		(302)		(252)
Accumulated amortization — definite-lived tradenames		(236)		(215)
Accumulated amortization — other		(173)		(169)
Total accumulated amortization	$	(2,005)	$	(1,785)
Total finite-lived intangible assets — net	$	1,691	$	1,966
Non-amortizable intangible assets (primarily tradenames)		629		635
Total intangible assets — net	$	2,320	$	2,601

Schedule of amortization expense for acquired intangible assets

Amortization expense for the years ended December 31 follows:

(Millions)	2016		2015		2014
Amortization expense	$	262	$	229	$	228

Schedule of expected amortization expense for acquired amortizable intangible assets

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

											After
(Millions)	2017		2018		2019		2020		2021		2021
Amortization expense	$	223	$	202	$	190	$	180	$	164	$	732