Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets

Goodwill

(Millions)	Industrial		Safety and Graphics		Health Care		Electronics and Energy		Consumer		Total Company
Balance as of December 31, 2018		2,614		4,325		1,654		1,250		208		10,051
Acquisition activity		—		—		580		—		—		580
Translation and other		(28)		(4)		(11)		(7)		30		(20)
Balance as of March 31, 2019	$	2,586	$	4,321	$	2,223	$	1,243	$	238	$	10,611

Acquired Intangible Assets

	March 31,		December 31,
(Millions)	2019		2018
Customer related intangible assets	$	2,577	$	2,291
Patents		539		542
Other technology-based intangible assets		738		576
Definite-lived tradenames		674		664
Other amortizable intangible assets		125		125
Total gross carrying amount	$	4,653	$	4,198
Accumulated amortization — customer related		(1,034)		(998)
Accumulated amortization — patents		(489)		(487)
Accumulated amortization — other technology-based		(350)		(333)
Accumulated amortization — definite-lived tradenames		(284)		(276)
Accumulated amortization — other		(88)		(88)
Total accumulated amortization	$	(2,245)	$	(2,182)
Total finite-lived intangible assets — net	$	2,408	$	2,016
Non-amortizable intangible assets (primarily tradenames)		639		641
Total intangible assets — net	$	3,047	$	2,657

Schedule of amortization expense for acquired intangible assets

Amortization expense for the three months ended March 31, 2019 and 2018 follows:

	Three months ended
	March 31,
(Millions)	2019		2018
Amortization expense	$	69	$	64

Schedule of expected amortization expense for acquired amortizable intangible assets

Expected amortization expense for acquired amortizable intangible assets recorded as of March 31, 2019:

	Remainder of												After
(Millions)	2019		2020		2021		2022		2023		2024		2024
Amortization expense	$	215	$	276	$	267	$	252	$	222	$	196	$	980