REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS - Disaggregation (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Disaggregation of Revenue [Line Items]
Net sales	$ 9,822	$ 9,105
Net sales - percentage	100.00%	100.00%
Corporate and All Other
Disaggregation of Revenue [Line Items]
Net sales	$ 19	$ 7
Product
Disaggregation of Revenue [Line Items]
Net sales	$ 6,645	$ 6,263
Net sales - percentage	68.00%	69.00%
Product | Corporate and All Other
Disaggregation of Revenue [Line Items]
Net sales	$ 0	$ 0
Product | Transferred point in time
Disaggregation of Revenue [Line Items]
Net sales - percentage	57.00%	58.00%
Product | Transferred over time
Disaggregation of Revenue [Line Items]
Net sales - percentage	11.00%	11.00%
Service
Disaggregation of Revenue [Line Items]
Net sales	$ 3,177	$ 2,842
Net sales - percentage	32.00%	31.00%
Service | Corporate and All Other
Disaggregation of Revenue [Line Items]
Net sales	$ 19	$ 7
Service | Transferred point in time
Disaggregation of Revenue [Line Items]
Net sales - percentage	5.00%	5.00%
Service | Transferred over time
Disaggregation of Revenue [Line Items]
Net sales - percentage	27.00%	26.00%
Aerospace Technologies | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	$ 4,172	$ 3,669
Aerospace Technologies | Commercial Aviation Original Equipment | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	627	674
Aerospace Technologies | Commercial Aviation Aftermarket | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	1,899	1,659
Aerospace Technologies | Defense and Space | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	1,646	1,336
Aerospace Technologies | Product | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	2,365	2,025
Aerospace Technologies | Service | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	1,807	1,644
Industrial Automation | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	2,378	2,478
Industrial Automation | Sensing and Safety Technologies | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	423	450
Industrial Automation | Productivity Solutions and Services | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	269	322
Industrial Automation | Process Solutions | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	1,468	1,496
Industrial Automation | Warehouse and Workflow Solutions | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	218	210
Industrial Automation | Product | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	1,644	1,800
Industrial Automation | Service | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	734	678
Building Automation | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	1,692	1,426
Building Automation | Products | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	1,029	813
Building Automation | Building Solutions | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	663	613
Building Automation | Product | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	1,208	1,057
Building Automation | Service | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	484	369
Energy and Sustainability Solutions | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	1,561	1,525
Energy and Sustainability Solutions | UOP | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	664	577
Energy and Sustainability Solutions | Advanced Materials | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	897	948
Energy and Sustainability Solutions | Product | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	1,428	1,381
Energy and Sustainability Solutions | Service | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	$ 133	$ 144