Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 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		—		—		(5)		—		(5)
Divestiture activity		—		(10)		(19)		—		(29)
Translation and other		(38)		(8)		(5)		1		(50)
Balance as of June 30, 2020	$	4,583	$	1,812	$	6,710	$	255	$	13,360

Acquired Intangible Assets

	June 30,		December 31,
(Millions)	2020		2019
Customer related intangible assets	$	4,201	$	4,316
Patents		525		538
Other technology-based intangible assets		2,093		2,124
Definite-lived tradenames		1,175		1,158
Other amortizable intangible assets		120		125
Total gross carrying amount	$	8,114	$	8,261
Accumulated amortization — customer related		(1,261)		(1,180)
Accumulated amortization — patents		(494)		(499)
Accumulated amortization — other technology-based		(522)		(435)
Accumulated amortization — definite-lived tradenames		(349)		(316)
Accumulated amortization — other		(87)		(90)
Total accumulated amortization	$	(2,713)	$	(2,520)
Total finite-lived intangible assets — net	$	5,401	$	5,741
Non-amortizable intangible assets (primarily tradenames)		632		638
Total intangible assets — net	$	6,033	$	6,379

Schedule of amortization expense for acquired intangible assets

Amortization expense for the three and six months ended June 30, 2020 and 2019 follows:

	Three months ended				Six months ended
	June 30,				June 30,
(Millions)	2020		2019		2020		2019
Amortization expense	$	134	$	70	$	268	$	139

Schedule of expected amortization expense for acquired amortizable intangible assets

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

	Remainder of												After
(Millions)	2020		2021		2022		2023		2024		2025		2025
Amortization expense	$	265	$	524	$	511	$	481	$	455	$	425	$	2,740