GOODWILL AND OTHER INTANGIBLE ASSETS

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

GOODWILL AND OTHER INTANGIBLE ASSETS

NOTE 9. GOODWILL AND OTHER INTANGIBLE ASSETS

The following table summarizes the changes in the carrying amount of goodwill for the years ended December 31, 2021 and 2020:

In millions	Components		New Power		Distribution		Power Systems		Engine		Total
Balance at December 31, 2019	$	934	$	257	$	79	$	10	$	6	$	1,286
Translation and other	7		—		—		—		—		7
Balance at December 31, 2020	941		257		79		10		6		1,293
Acquisitions	—		—		—		2		—		2
Translation and other	(7)		—		—		(1)		—		(8)
Balance at December 31, 2021	$	934	$	257	$	79	$	11	$	6	$	1,287

Intangible assets that have finite useful lives are amortized over their estimated useful lives. The following table summarizes our other intangible assets with finite useful lives that are subject to amortization:

	December 31,
In millions	2021		2020
Software	$	586	$	661
Less: Accumulated amortization	(314)		(372)
Software, net	272		289
Trademarks, patents, customer relationships and other	957		959
Less: Accumulated amortization	(329)		(285)
Trademarks, patents, customer relationships and other, net	628		674
Total other intangible assets, net	$	900	$	963

Amortization expense for software and other intangibles totaled $144 million, $165 million and $175 million for the years ended December 31, 2021, 2020 and 2019, respectively. The projected amortization expense of our intangible assets, assuming no further acquisitions or dispositions, is as follows:

In millions	2022		2023		2024		2025		2026
Projected amortization expense	$	139	$	128	$	109	$	76	$	53