NET REVENUES - Summary of Disaggregated Net Revenues (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue [Line Items]
Net revenues	$ 1,601	$ 1,614
United States
Disaggregation of Revenue [Line Items]
Net revenues	963	970
France
Disaggregation of Revenue [Line Items]
Net revenues	162	156
Other
Disaggregation of Revenue [Line Items]
Net revenues	476	488
Life Safety
Disaggregation of Revenue [Line Items]
Net revenues	1,103	1,068
Heating, Ventilation, and Air Conditioning ("HVAC")
Disaggregation of Revenue [Line Items]
Net revenues	111	123
Infrastructure/Utility
Disaggregation of Revenue [Line Items]
Net revenues	205	240
Fabrication
Disaggregation of Revenue [Line Items]
Net revenues	50	55
Specialty Contracting
Disaggregation of Revenue [Line Items]
Net revenues	134	135
Operating Segments | Safety Services
Disaggregation of Revenue [Line Items]
Net revenues	1,214	1,191
Operating Segments | Safety Services | United States
Disaggregation of Revenue [Line Items]
Net revenues	581	560
Operating Segments | Safety Services | France
Disaggregation of Revenue [Line Items]
Net revenues	162	156
Operating Segments | Safety Services | Other
Disaggregation of Revenue [Line Items]
Net revenues	471	475
Operating Segments | Specialty Services
Disaggregation of Revenue [Line Items]
Net revenues	389	430
Operating Segments | Specialty Services | United States
Disaggregation of Revenue [Line Items]
Net revenues	384	417
Operating Segments | Specialty Services | France
Disaggregation of Revenue [Line Items]
Net revenues	0	0
Operating Segments | Specialty Services | Other
Disaggregation of Revenue [Line Items]
Net revenues	5	13
Operating Segments | Life Safety | Safety Services
Disaggregation of Revenue [Line Items]
Net revenues	1,103	1,068
Operating Segments | Life Safety | Specialty Services
Disaggregation of Revenue [Line Items]
Net revenues	0	0
Operating Segments | Heating, Ventilation, and Air Conditioning ("HVAC") | Safety Services
Disaggregation of Revenue [Line Items]
Net revenues	111	123
Operating Segments | Heating, Ventilation, and Air Conditioning ("HVAC") | Specialty Services
Disaggregation of Revenue [Line Items]
Net revenues	0	0
Operating Segments | Infrastructure/Utility | Safety Services
Disaggregation of Revenue [Line Items]
Net revenues	0	0
Operating Segments | Infrastructure/Utility | Specialty Services
Disaggregation of Revenue [Line Items]
Net revenues	205	240
Operating Segments | Fabrication | Safety Services
Disaggregation of Revenue [Line Items]
Net revenues	0	0
Operating Segments | Fabrication | Specialty Services
Disaggregation of Revenue [Line Items]
Net revenues	50	55
Operating Segments | Specialty Contracting | Safety Services
Disaggregation of Revenue [Line Items]
Net revenues	0	0
Operating Segments | Specialty Contracting | Specialty Services
Disaggregation of Revenue [Line Items]
Net revenues	134	135
Corporate and Eliminations
Disaggregation of Revenue [Line Items]
Net revenues	(2)	(7)
Corporate and Eliminations | United States
Disaggregation of Revenue [Line Items]
Net revenues	$ (2)	$ (7)