REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS - Disaggregation (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Net sales	$ 9,728	$ 9,212	$ 28,410	$ 27,222
Net sales - percentage	100.00%	100.00%	100.00%	100.00%
Corporate and All Other
Disaggregation of Revenue [Line Items]
Net sales	$ 7	$ 2	$ 19	$ 5
Product
Disaggregation of Revenue [Line Items]
Net sales	$ 6,590	$ 6,294	$ 19,330	$ 19,045
Net sales - percentage	68.00%	68.00%	68.00%	70.00%
Product | Transferred point in time
Disaggregation of Revenue [Line Items]
Net sales - percentage	56.00%	57.00%	57.00%	58.00%
Product | Transferred over time
Disaggregation of Revenue [Line Items]
Net sales - percentage	12.00%	11.00%	11.00%	12.00%
Service
Disaggregation of Revenue [Line Items]
Net sales	$ 3,138	$ 2,918	$ 9,080	$ 8,177
Net sales - percentage	32.00%	32.00%	32.00%	30.00%
Service | Corporate and All Other
Disaggregation of Revenue [Line Items]
Net sales	$ 7	$ 2	$ 19	$ 5
Service | Transferred point in time
Disaggregation of Revenue [Line Items]
Net sales - percentage	3.00%	12.00%	4.00%	10.00%
Service | Transferred over time
Disaggregation of Revenue [Line Items]
Net sales - percentage	29.00%	20.00%	28.00%	20.00%
Aerospace Technologies | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	$ 3,912	$ 3,499	$ 11,472	$ 9,951
Aerospace Technologies | Commercial Aviation Original Equipment | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	617	563	1,959	1,711
Aerospace Technologies | Commercial Aviation Aftermarket | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	1,758	1,634	5,215	4,590
Aerospace Technologies | Defense and Space | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	1,537	1,302	4,298	3,650
Aerospace Technologies | Product | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	2,148	1,824	6,300	5,294
Aerospace Technologies | Service | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	1,764	1,675	5,172	4,657
Industrial Automation | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	2,501	2,630	7,485	8,160
Industrial Automation | Sensing and Safety Technologies | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	452	498	1,368	1,509
Industrial Automation | Productivity Solutions and Services | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	289	304	909	994
Industrial Automation | Process Solutions | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	1,522	1,493	4,527	4,460
Industrial Automation | Warehouse and Workflow Solutions | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	238	335	681	1,197
Industrial Automation | Product | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	1,755	1,885	5,332	6,105
Industrial Automation | Service | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	746	745	2,153	2,055
Building Automation | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	1,745	1,530	4,742	4,527
Building Automation | Products | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	1,059	894	2,780	2,720
Building Automation | Building Solutions | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	686	636	1,962	1,807
Building Automation | Product | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	1,281	1,172	3,492	3,463
Building Automation | Service | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	464	358	1,250	1,064
Energy and Sustainability Solutions | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	1,563	1,551	4,692	4,579
Energy and Sustainability Solutions | UOP | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	654	668	1,830	1,856
Energy and Sustainability Solutions | Advanced Materials | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	909	883	2,862	2,723
Energy and Sustainability Solutions | Product | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	1,406	1,414	4,206	4,183
Energy and Sustainability Solutions | Service | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	$ 157	$ 137	$ 486	$ 396