Annual report pursuant to Section 13 and 15(d)

GOODWILL AND OTHER INTANGIBLE ASSETS

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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