Goodwill and Intangibles (Tables)

6 Months Ended

Jun. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Changes In Carrying Amounts of Goodwill By Reportable Segments

The following table provides disclosure of goodwill by segment as of June 30, 2023 and December 31, 2022. The changes in the carrying amount of goodwill by reportable segment for the six months ended June 30, 2023 are as follows:

	Safety Services		Specialty Services		Total Goodwill
Goodwill as of December 31, 2022	$	2,201	$	181	$	2,382
Acquisitions		31		—		31
Foreign currency translation		31		—		31
Goodwill as of June 30, 2023	$	2,263	$	181	$	2,444

Summary of Identifiable Intangible Assets

The Company’s identifiable intangible assets are comprised of the following as of June 30, 2023 and December 31, 2022:

	June 30, 2023
	Weighted Average Remaining Useful Lives (in Years)		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Amortized intangibles:
Contractual backlog		0.5	$	155	$	(141	)	$	14
Customer relationships		9.7		1,529		(442	)		1,087
Trade names and trademarks		12.7		714		(112	)		602
Total			$	2,398	$	(695	)	$	1,703
	December 31, 2022
	Weighted Average Remaining Useful Lives (in Years)		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Amortized intangibles:
Contractual backlog		0.9	$	153	$	(126	)	$	27
Customer relationships		10.0		1,508		(367	)		1,141
Trade names and trademarks		13.2		704		(88	)		616
Total			$	2,365	$	(581	)	$	1,784

Summary of Amortization Expense Recognized on Intangible Assets

Amortization expense recognized on identifiable intangible assets is as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
Cost of revenues	$	6	$	4	$	13	$	7
Selling, general, and administrative expenses		50		53		98		107
Total intangible asset amortization expense	$	56	$	57	$	111	$	114