Goodwill And Acquired Intangibles

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Acquired Intangibles

Goodwill and Acquired Intangibles

Changes in the carrying amount of goodwill for the years ended December 31, 2021 and 2020 were as follows:

	Commercial Airplanes	Defense, Space & Security	Global Services	Other	Total
Balance at December 31, 2019	$1,313	$3,219	$3,441	$87	$8,060
Goodwill adjustments	3	5	13		21
Balance at December 31, 2020	$1,316	$3,224	$3,454	$87	$8,081
Goodwill adjustments			(11)	(2)	(13)
Balance at December 31, 2021	$1,316	$3,224	$3,443	$85	$8,068

As of December 31, 2021 and 2020, we had indefinite-lived intangible assets with carrying amounts of $197 relating to trade names. During 2019, we recorded an impairment of $293 within Cost of Sales, as a result of our decision to retire the Aviall brand and trade name. As of December 31, 2021 and 2020, we had an indefinite-lived intangible asset with a carrying amount of $202 related to in process research and development for a next-generation air vehicle.

The gross carrying amounts and accumulated amortization of our acquired finite-lived intangible assets were as follows at December 31:

	2021		2020
	Gross Carrying Amount	Accumulated Amortization	Gross Carrying Amount	Accumulated Amortization
Distribution rights	$2,554	$1,321	$2,812	$1,427
Product know-how	553	413	553	384
Customer base	1,360	721	1,373	672
Developed technology	626	526	626	502
Other	301	250	303	238
Total	$5,394	$3,231	$5,667	$3,223

During 2020, we recorded impairments of $178 within Cost of Sales related to our distribution rights, primarily driven by airlines' decisions to retire certain aircraft. Amortization expense for acquired finite-lived intangible assets for the years ended December 31, 2021 and 2020 was $284 and $317. Estimated amortization expense for the five succeeding years is as follows:

	2022	2023	2024	2025	2026
Estimated amortization expense	$245	$236	$221	$195	$192