Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2018

Goodwill and Intangible Assets

Goodwill

	December 31, 2017		Acquisition		Divestiture		Translation		June 30, 2018
(Millions)	Balance		activity		activity		and other		Balance
Industrial	$	2,678	$	—	$	(4)	$	(44)	$	2,630
Safety and Graphics		4,419		(16)		(8)		(57)		4,338
Health Care		1,682		—		—		(19)		1,663
Electronics and Energy		1,524		—		(247)		(10)		1,267
Consumer		210		—		—		(1)		209
Total Company	$	10,513	$	(16)	$	(259)	$	(131)	$	10,107

Acquired Intangible Assets

	June 30,		December 31,
(Millions)	2018		2017
Customer related intangible assets	$	2,302	$	2,332
Patents		554		561
Other technology-based intangible assets		578		583
Definite-lived tradenames		676		678
Other amortizable intangible assets		204		207
Total gross carrying amount	$	4,314	$	4,361
Accumulated amortization — customer related		(931)		(874)
Accumulated amortization — patents		(491)		(489)
Accumulated amortization — other technology based		(312)		(292)
Accumulated amortization — definite-lived tradenames		(272)		(256)
Accumulated amortization — other		(164)		(162)
Total accumulated amortization	$	(2,170)	$	(2,073)
Total finite-lived intangible assets — net	$	2,144	$	2,288
Non-amortizable intangible assets (primarily tradenames)		643		648
Total intangible assets — net	$	2,787	$	2,936

Schedule of amortization expense for acquired intangible assets

Amortization expense for acquired intangible assets for the three and six months ended June 30, 2018 and 2017 follows:

	Three months ended				Six months ended
	June 30,				June 30,
(Millions)	2018		2017		2018		2017
Amortization expense	$	63	$	47	$	127	$	111

Schedule of expected amortization expense for acquired amortizable intangible assets

Expected amortization expense for acquired amortizable intangible assets recorded as of June 30, 2018:

	Remainder of												After
(Millions)	2018		2019		2020		2021		2022		2023		2023
Amortization expense	$	123	$	241	$	229	$	220	$	206	$	175	$	950