Intangible Assets

9 Months Ended

Sep. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible Assets

Gross carrying amounts and accumulated amortization of finite-lived intangible assets by major class were as follows:

	September 30, 2020						December 31, 2019
	Gross		Accumulated amortization		Net		Gross		Accumulated amortization		Net
Customer relationships	$	1,605	$	(421)	$	1,184	$	1,621	$	(331)	$	1,290
Trade names	553		(58)		495		541		(40)		501
Technology	162		(60)		102		158		(41)		117
Long term supply contracts	126		(47)		79		150		(48)		102
Patents	14		(10)		4		14		(9)		5
	$	2,460	$	(596)	$	1,864	$	2,484	$	(469)	$	2,015

Total amortization expense of intangible assets for the three and nine months ended September 30, 2020 and 2019 was $45 and $134 and $43 and $140.