Segment Information (Tables)

6 Months Ended

Jun. 30, 2023

Segment Reporting [Abstract]

Summary of Reconciliation Operating Income to EBITDA

Summarized financial information for the Company’s reportable segments is presented and reconciled to consolidated financial information in the following tables, including a reconciliation of consolidated operating income (loss) to EBITDA:

	Three Months Ended June 30, 2023
	Safety Services		Specialty Services		Corporate and Eliminations			Consolidated
Net revenues	$	1,225	$	555	$	(9	)	$	1,771
EBITDA Reconciliation
Operating income (loss)	$	98	$	41	$	(32	)	$	107
Plus:
Investment income and other, net		—		3		—			3
Non-service pension benefit		3		—		—			3
Loss on extinguishment of debt, net		—		—		—			—
Depreciation		7		12		—			19
Amortization		42		13		1			56
EBITDA	$	150	$	69	$	(31	)	$	188
Total assets	$	6,107	$	1,328	$	539		$	7,974
Capital expenditures		9		16		—			25

	Three Months Ended June 30, 2022
	Safety Services		Specialty Services		Corporate and Eliminations			Consolidated
Net revenues	$	1,146	$	518	$	(15	)	$	1,649
EBITDA Reconciliation
Operating income (loss)	$	63	$	32	$	(36	)	$	59
Plus:
Investment income and other, net		1		2		(1	)		2
Non-service pension benefit		11		—		—			11
Depreciation		5		11		3			19
Amortization		41		15		1			57
EBITDA	$	121	$	60	$	(33	)	$	148
Total assets	$	6,156	$	1,305	$	593		$	8,054
Capital expenditures		5		15		2			22

	Six Months Ended June 30, 2023
	Safety Services		Specialty Services		Corporate and Eliminations			Consolidated
Net revenues	$	2,416	$	985	$	(16	)	$	3,385
EBITDA Reconciliation
Operating income (loss)	$	194	$	41	$	(55	)	$	180
Plus:
Investment income and other, net		—		5		—			5
Non-service pension benefit		6		—		—			6
Loss on extinguishment of debt, net		—		—		(3	)		(3	)
Depreciation		13		24		1			38
Amortization		83		26		2			111
EBITDA	$	296	$	96	$	(55	)	$	337
Total assets	$	6,107	$	1,328	$	539		$	7,974
Capital expenditures		14		31		1			46

	Six Months Ended June 30, 2022
	Safety Services		Specialty Services		Corporate and Eliminations			Consolidated
Net revenues	$	2,220	$	930	$	(30	)	$	3,120
EBITDA Reconciliation
Operating income (loss)	$	126	$	25	$	(99	)	$	52
Plus:
Investment income and other, net		1		3		(2	)		2
Non-service pension benefit		22		—		—			22
Depreciation		12		23		3			38
Amortization		83		29		2			114
EBITDA	$	244	$	80	$	(96	)	$	228
Total assets	$	6,156	$	1,305	$	593		$	8,054
Capital expenditures		11		21		2			34