Intangible assets (Tables)

3 Months Ended

Mar. 31, 2019

Intangible assets

Schedule of intangible assets

	March 31, 2019						December 31, 2018
	Gross carrying value		Accumulated amortization		Net carrying value		Gross carrying value		Accumulated amortization		Net carrying value
Customer relationships	$	619	$	(70)	$	549	$	619	$	(58)	$	561
Backlog		332		(145)		187		332		(120)		212
Technologies		329		(101)		228		330		(86)		244
Software		210		(80)		130		198		(71)		127
Image library		80		(36)		44		80		(32)		48
Trade names and other		41		(11)		30		41		(9)		32
Non-compete agreements		21		(14)		7		21		(13)		8
Total intangible assets	$	1,632	$	(457)	$	1,175	$	1,621	$	(389)	$	1,232