Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 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		—		—		(18)		—		(18)
Divestiture activity		—		(10)		—		—		(10)
Translation and other		(64)		(10)		(29)		(1)		(104)
Balance as of March 31, 2020	$	4,557	$	1,810	$	6,692	$	253	$	13,312

Acquired Intangible Assets

	March 31,		December 31,
(Millions)	2020		2019
Customer related intangible assets	$	4,222	$	4,316
Patents		535		538
Other technology-based intangible assets		2,093		2,124
Definite-lived tradenames		1,175		1,158
Other amortizable intangible assets		123		125
Total gross carrying amount	$	8,148	$	8,261
Accumulated amortization — customer related		(1,197)		(1,180)
Accumulated amortization — patents		(500)		(499)
Accumulated amortization — other technology-based		(470)		(435)
Accumulated amortization — definite-lived tradenames		(332)		(316)
Accumulated amortization — other		(90)		(90)
Total accumulated amortization	$	(2,589)	$	(2,520)
Total finite-lived intangible assets — net	$	5,559	$	5,741
Non-amortizable intangible assets (primarily tradenames)		632		638
Total intangible assets — net	$	6,191	$	6,379

Schedule of amortization expense for acquired intangible assets

Amortization expense for the three months ended March 31, 2020 and 2019 follows:

	Three months ended
	March 31,
(Millions)	2020		2019
Amortization expense	$	134	$	69

Schedule of expected amortization expense for acquired amortizable intangible assets

Expected amortization expense for acquired amortizable intangible assets recorded as of March 31, 2020:

	Remainder of												After
(Millions)	2020		2021		2022		2023		2024		2025		2025
Amortization expense	$	398	$	521	$	509	$	479	$	454	$	424	$	2,774