REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS - Disaggregation (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Disaggregation of Revenue [Line Items]
Net sales	$ 9,143	$ 8,925
Corporate and All Other
Disaggregation of Revenue [Line Items]
Net sales	5	19
Aerospace Technologies \| Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	4,322	4,172
Aerospace Technologies \| Operating Segments \| Commercial Aviation Original Equipment
Disaggregation of Revenue [Line Items]
Net sales	648	627
Aerospace Technologies \| Operating Segments \| Commercial Aviation Aftermarket
Disaggregation of Revenue [Line Items]
Net sales	1,959	1,899
Aerospace Technologies \| Operating Segments \| Defense and Space
Disaggregation of Revenue [Line Items]
Net sales	1,715	1,646
Building Automation \| Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	1,882	1,692
Building Automation \| Operating Segments \| Products
Disaggregation of Revenue [Line Items]
Net sales	1,005	905
Building Automation \| Operating Segments \| Solutions
Disaggregation of Revenue [Line Items]
Net sales	877	787
Process Automation and Technology \| Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	1,513	1,445
Process Automation and Technology \| Operating Segments \| Projects
Disaggregation of Revenue [Line Items]
Net sales	686	602
Process Automation and Technology \| Operating Segments \| Aftermarket
Disaggregation of Revenue [Line Items]
Net sales	827	843
Industrial Automation \| Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	1,421	1,597
Industrial Automation \| Operating Segments \| Products
Disaggregation of Revenue [Line Items]
Net sales	958	1,173
Industrial Automation \| Operating Segments \| Solutions
Disaggregation of Revenue [Line Items]
Net sales	$ 463	$ 424