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GOODWILL AND INTANGIBLES
 9 Months Ended
Sep. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
GOODWILL AND INTANGIBLES GOODWILL AND INTANGIBLES
Goodwill
The following table provides disclosure of goodwill by segment as of September 30, 2025 and December 31, 2024. During 2025, the Company moved the HVAC business from the Safety Services segment to the Specialty Services segment, and segment-related amounts have been recast to reflect this adjustment as of the beginning of the period presented. As a result of the reallocation of goodwill between reportable segments, the Company performed an impairment test for the impacted reporting unit pre-realignment and post-realignment and there was no impairment to be recorded. See Note 17 – “Segment Information” for additional information. The changes in the carrying amount of goodwill by reportable segment for the nine months ended September 30, 2025 are as follows:
Safety
Services		Specialty
Services		Total
Goodwill
Goodwill as of December 31, 2024$2,661 $233 $2,894 
Acquisitions115 3 118 
Foreign currency translation and other, net (1)
138 — 138 
Goodwill as of September 30, 2025$2,914 $236 $3,150 
(1)    Other includes immaterial measurement period adjustments recorded during the nine months ended September 30, 2025 related to acquisitions for which the measurement period was open during the nine months ended September 30, 2025 (see Note 3 – "Business Combinations").
Intangibles
The Company’s identifiable intangible assets are comprised of the following as of September 30, 2025 and December 31, 2024:
September 30, 2025
Weighted Average Remaining
Useful Lives
(in Years)		Gross
Carrying
Amount		Accumulated
Amortization 		Net Carrying
Amount
Amortized intangibles:
Contractual backlog0.2$169 $(168)$1 
Customer relationships8.81,886 (819)1,067 
Trade names and trademarks10.3798 (230)568 
Total$2,853 $(1,217)$1,636 
December 31, 2024
Weighted Average Remaining
Useful Lives
(in Years)		Gross
Carrying
Amount		Accumulated
Amortization 		Net Carrying
Amount
Amortized intangibles:
Contractual backlog1.3$171 $(158)$13 
Customer relationships9.01,753 (672)1,081 
Trade names and trademarks11.1748 (182)566 
Total$2,672 $(1,012)$1,660 
Amortization expense recognized on identifiable intangible assets is as follows:
Three Months Ended September 30,Nine Months Ended September 30,
2025202420252024
Cost of revenues$4 $(1)$11 $2 
Selling, general, and administrative expenses56 57 168 159 
Total intangible asset amortization expense$60 $56 $179 $161