SEGMENT FINANCIAL DATA (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting Information [Line Items]
Net sales	$ 9,577	$ 9,146	$ 18,682	$ 18,010
Total segment profit	2,199	2,113	4,293	4,128
Interest and other financial charges	(250)	(187)	(470)	(357)
Interest income	110	76	215	152
Amortization of acquisition-related intangibles	(85)	(61)	(155)	(129)
Repositioning and other charges	(44)	(102)	(137)	(243)
Income before taxes	1,974	1,904	3,845	3,686
Product
Segment Reporting Information [Line Items]
Net sales	6,477	6,441	12,740	12,751
Service
Segment Reporting Information [Line Items]
Net sales	3,100	2,705	5,942	5,259
Corporate and All Other
Segment Reporting Information [Line Items]
Net sales	5	1	12	3
Total segment profit	(140)	(115)	(208)	(200)
Corporate and All Other | Service
Segment Reporting Information [Line Items]
Net sales	5	1	12	3
Segment Reconciling Items
Segment Reporting Information [Line Items]
Interest and other financial charges	(250)	(187)	(470)	(357)
Interest income	110	76	215	152
Amortization of acquisition-related intangibles	(85)	(61)	(155)	(129)
Stock compensation expense	(55)	(50)	(108)	(109)
Repositioning and other charges	(44)	(102)	(137)	(243)
Other expense	(45)	(22)	(88)	(29)
Income before taxes	1,974	1,904	3,845	3,686
Segment Reconciling Items | Pension Plan
Segment Reporting Information [Line Items]
Pension ongoing income	140	130	285	260
Segment Reconciling Items | Other Postretirement Benefits Plan
Segment Reporting Information [Line Items]
Pension ongoing income	4	7	10	13
Aerospace Technologies | Operating Segments
Segment Reporting Information [Line Items]
Net sales	3,891	3,341	7,560	6,452
Total segment profit	1,060	930	2,095	1,761
Repositioning and other charges	(3)	(8)	(8)	(11)
Aerospace Technologies | Operating Segments | Product
Segment Reporting Information [Line Items]
Net sales	2,127	1,799	4,152	3,471
Aerospace Technologies | Operating Segments | Service
Segment Reporting Information [Line Items]
Net sales	1,764	1,542	3,408	2,981
Industrial Automation | Operating Segments
Segment Reporting Information [Line Items]
Net sales	2,506	2,727	4,984	5,530
Total segment profit	477	544	951	1,130
Repositioning and other charges	(11)	(41)	(28)	(89)
Industrial Automation | Operating Segments | Product
Segment Reporting Information [Line Items]
Net sales	1,777	2,061	3,577	4,220
Industrial Automation | Operating Segments | Service
Segment Reporting Information [Line Items]
Net sales	729	666	1,407	1,310
Building Automation | Operating Segments
Segment Reporting Information [Line Items]
Net sales	1,571	1,510	2,997	2,997
Total segment profit	397	391	747	772
Repositioning and other charges	4	(4)	0	(31)
Building Automation | Operating Segments | Product
Segment Reporting Information [Line Items]
Net sales	1,154	1,159	2,211	2,291
Building Automation | Operating Segments | Service
Segment Reporting Information [Line Items]
Net sales	417	351	786	706
Energy and Sustainability Solutions | Operating Segments
Segment Reporting Information [Line Items]
Net sales	1,604	1,567	3,129	3,028
Total segment profit	405	363	708	665
Repositioning and other charges	(1)	6	(19)	(5)
Energy and Sustainability Solutions | Operating Segments | Product
Segment Reporting Information [Line Items]
Net sales	1,419	1,422	2,800	2,769
Energy and Sustainability Solutions | Operating Segments | Service
Segment Reporting Information [Line Items]
Net sales	$ 185	$ 145	$ 329	$ 259