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Intangible Assets
 12 Months Ended
Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets Intangible Assets
Intangible assets consisted of the following:

December 31, 2022December 31, 2021
(In millions)Estimated Useful Life Estimated Weighted Average Useful Life (years)Gross IntangiblesAccumulated AmortizationNet IntangiblesGross IntangiblesAccumulated AmortizationNet Intangibles
Definite-Lived:
Developed technology
10-12 years
10$40 $(39)$1 $41 $(39)$2 
Customer related
7-12 years
1088 (77)11 96 (75)21 
Capitalized software development
3-5 years
550 (16)34 48 (10)38 
Other3217 (9)8 15 (8)7 
Subtotal195 (141)54 200 (132)68 
Indefinite-Lived:
Goodwill45 — 45 50 — 50 
Total $240 $(141)$99 $250 $(132)$118 

Capitalized software development consists of software development costs intended for integration into customer products.

The Company recorded amortization expense of approximately $18 million for the year ended December 31, 2022 and $14 million for the years ended December 31, 2021 and 2020 related to definite-lived intangible assets.

The Company currently estimates annual amortization expense to be as follows:
(In millions)
2023$18 
202410 
20259 
20267 
20271