Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets

Goodwill

	Dec. 31,		2014		2014		Dec. 31,		2015		2015		Dec. 31,
	2013		acquisition		translation		2014		acquisition		translation		2015
(Millions)	Balance		activity		and other		Balance		activity		and other		Balance
Industrial	$	2,171	$	—	$	(129)	$	2,042	$	637	$	(106)	$	2,573
Safety and Graphics		1,740		—		(90)		1,650		1,764		(72)		3,342
Health Care		1,596		65		(72)		1,589		94		(59)		1,624
Electronics and Energy		1,607		—		(53)		1,554		—		(44)		1,510
Consumer		231		—		(16)		215		—		(15)		200
Total Company	$	7,345	$	65	$	(360)	$	7,050	$	2,495	$	(296)	$	9,249

Acquired Intangible Assets

(Millions)	2015		2014
Customer related intangible assets	$	1,973	$	1,348
Patents		616		581
Other technology-based intangible assets		525		407
Definite-lived tradenames		421		401
Other amortizable intangible assets		216		221
Total gross carrying amount	$	3,751	$	2,958
Accumulated amortization — customer related		(668)		(597)
Accumulated amortization — patents		(481)		(472)
Accumulated amortization — other technology based		(252)		(215)
Accumulated amortization — definite-lived tradenames		(215)		(195)
Accumulated amortization — other		(169)		(167)
Total accumulated amortization	$	(1,785)	$	(1,646)
Total finite-lived intangible assets — net	$	1,966	$	1,312
Non-amortizable intangible assets (primarily tradenames)		635		123
Total intangible assets — net	$	2,601	$	1,435

Schedule of amortization expense for acquired intangible assets

Amortization expense for the years ended December 31 follows:

(Millions)	2015		2014		2013
Amortization expense	$	229	$	228	$	236

Schedule of expected amortization expense for acquired amortizable intangible assets

Expected amortization expense for acquired amortizable intangible assets recorded as of December 31, 2015 follows:

											After
(Millions)	2016		2017		2018		2019		2020		2020
Amortization expense	$	252	$	226	$	205	$	192	$	183	$	908