Goodwill and Intangible Assets

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

Goodwill and Intangible Assets

Intangible assets as of December 31, 2020 and 2019 were as follows (dollars in millions):

	Electronics Segment
Goodwill
Carrying amount at January 1, 2019	$	291
Translation differences	(1)
Carrying amount at December 31, 2019	290
Acquisition	23
Translation differences	4
Carrying amount at December 31, 2020	$	317

	As of December 31
Amortizable Intangible	2020		2019
Gross carrying amount	$	145	$	147
Transfer	(3)		—
Addition	11		—
Translation differences	2		(1)
Accumulated amortization	(134)		(129)
Carrying value	$	21	$	17

As of December 31, 2020 and 2019, the carrying value of the amortizable intangible of $21 million and $17 million, respectively, was related to the technology asset category. The estimated weighted average useful life for these assets is 4.3 years.

The Company recorded approximately $6 million, $20 million and $23 million of amortization expense related to definite-lived intangible assets for the years ended December 31, 2020, 2019 and 2018, respectively. The Company currently estimates future amortization expenses to be $7 million for 2021, $5 million for 2022, $2 million for 2023, $2 million for 2024 and $2 million for 2025.