GOODWILL AND INTANGIBLE ASSETS

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

The changes in goodwill for the years ended December 31, 2021 and 2020 were as follows:


	2021		2020

Balance, beginning of year	$	6,873	$	6,619
Goodwill acquired during the year	228		247
Adjustments to goodwill	(6)		7
Balance, end of year	$	7,095	$	6,873

Principally all of the Company’s goodwill as of December 31, 2021 and 2020 was associated with its DIS business.

For the year ended December 31, 2021, goodwill acquired during the period was principally associated with the acquisitions of the assets of Mercy Health and assets of Labtech (see Note 5). For the year ended December 31, 2021, adjustments to goodwill related to foreign currency translation.

For the year ended December 31, 2020, goodwill acquired during the period was principally associated with the acquisitions of Blueprint Genetics, assets of Memorial Hermann and MACL (see Note 5). For the year ended December 31, 2020, adjustments to goodwill related to foreign currency translation.

Intangible assets as of December 31, 2021 and 2020 consisted of the following:


	Weighted Average Amortization Period (in years)	2021						2020
		Cost		Accumulated Amortization		Net		Cost		Accumulated Amortization		Net
Amortizing intangible assets:
Customer-related	17	$	1,581	$	(726)	$	855	$	1,479	$	(638)	$	841
Non-compete agreements	9	3		(2)		1		3		(2)		1
Technology	14	141		(74)		67		141		(65)		76
Other	5	109		(101)		8		108		(95)		13
Total	17	1,834		(903)		931		1,731		(800)		931

Intangible assets not subject to amortization:
Trade names		235		—		235		235		—		235
Other		1		—		1		1		—		1
Total intangible assets		$	2,070	$	(903)	$	1,167	$	1,967	$	(800)	$	1,167

The estimated amortization expense related to amortizable intangible assets for each of the five succeeding fiscal years and thereafter as of December 31, 2021 is as follows:


Year Ending December 31,
2022	$	105
2023	103
2024	100
2025	98
2026	93
Thereafter	432
Total	$	931