Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2020

Goodwill and Intangible Assets

Goodwill

(Millions)	Safety and Industrial		Transportation and Electronics		Health Care		Consumer		Total Company
Balance as of December 31, 2019	$	4,621	$	1,830	$	6,739	$	254	$	13,444
Acquisition activity		—		—		(34)		—		(34)
Divestiture activity		—		(10)		(19)		—		(29)
Translation and other		(7)		13		143		5		154
Balance as of September 30, 2020	$	4,614	$	1,833	$	6,829	$	259	$	13,535

Acquired Intangible Assets

	September 30,		December 31,
(Millions)	2020		2019
Customer related intangible assets	$	4,232	$	4,316
Patents		530		538
Other technology-based intangible assets		2,099		2,124
Definite-lived tradenames		1,175		1,158
Other amortizable intangible assets		121		125
Total gross carrying amount	$	8,157	$	8,261
Accumulated amortization — customer related		(1,337)		(1,180)
Accumulated amortization — patents		(502)		(499)
Accumulated amortization — other technology-based		(576)		(435)
Accumulated amortization — definite-lived tradenames		(367)		(316)
Accumulated amortization — other		(87)		(90)
Total accumulated amortization	$	(2,869)	$	(2,520)
Total finite-lived intangible assets — net	$	5,288	$	5,741
Non-amortizable intangible assets (primarily tradenames)		638		638
Total intangible assets — net	$	5,926	$	6,379

Schedule of amortization expense for acquired intangible assets

Amortization expense for the three and nine months ended September 30, 2020 and 2019 follows:

	Three months ended				Nine months ended
	September 30,				September 30,
(Millions)	2020		2019		2020		2019
Amortization expense	$	137	$	69	$	405	$	208

Schedule of expected amortization expense for acquired amortizable intangible assets

Expected amortization expense for acquired amortizable intangible assets recorded as of September 30, 2020:

	Remainder of												After
(Millions)	2020		2021		2022		2023		2024		2025		2025
Amortization expense	$	132	$	524	$	511	$	485	$	460	$	428	$	2,748