SEGMENT FINANCIAL DATA (Details) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($) segment	Mar. 31, 2022 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | segment	4
Net sales	$ 8,864	$ 8,376
Total segment profit	1,947	1,766
Interest and other financial charges	(170)	(85)
Repositioning and other charges	(141)	(387)
Income before taxes	1,782	1,505
Product
Segment Reporting Information [Line Items]
Net sales	6,310	6,132
Service
Segment Reporting Information [Line Items]
Net sales	2,554	2,244
Corporate and All Other
Segment Reporting Information [Line Items]
Net sales	2	1
Total segment profit	(81)	(86)
Corporate and All Other | Service
Segment Reporting Information [Line Items]
Net sales	2	1
Segment Reconciling Items
Segment Reporting Information [Line Items]
Interest and other financial charges	(170)	(85)
Stock compensation expense	(59)	(60)
Repositioning and other charges	(141)	(387)
Other	69	10
Income before taxes	1,782	1,505
Segment Reconciling Items | Pension Plan
Segment Reporting Information [Line Items]
Pension ongoing income	130	251
Segment Reconciling Items | Other Postretirement Benefits Plan
Segment Reporting Information [Line Items]
Pension ongoing income	6	10
Aerospace
Segment Reporting Information [Line Items]
Repositioning and other charges	(3)	(21)
Aerospace | Operating Segments
Segment Reporting Information [Line Items]
Net sales	3,111	2,749
Total segment profit	827	753
Aerospace | Operating Segments | Product
Segment Reporting Information [Line Items]
Net sales	1,672	1,461
Aerospace | Operating Segments | Service
Segment Reporting Information [Line Items]
Net sales	1,439	1,288
Honeywell Building Technologies
Segment Reporting Information [Line Items]
Repositioning and other charges	(27)	(14)
Honeywell Building Technologies | Operating Segments
Segment Reporting Information [Line Items]
Net sales	1,487	1,429
Total segment profit	375	336
Honeywell Building Technologies | Operating Segments | Product
Segment Reporting Information [Line Items]
Net sales	1,132	1,082
Honeywell Building Technologies | Operating Segments | Service
Segment Reporting Information [Line Items]
Net sales	355	347
Performance Materials and Technologies
Segment Reporting Information [Line Items]
Repositioning and other charges	(19)	(159)
Performance Materials and Technologies | Operating Segments
Segment Reporting Information [Line Items]
Net sales	2,749	2,453
Total segment profit	566	510
Performance Materials and Technologies | Operating Segments | Product
Segment Reporting Information [Line Items]
Net sales	2,182	1,956
Performance Materials and Technologies | Operating Segments | Service
Segment Reporting Information [Line Items]
Net sales	567	497
Safety and Productivity Solutions
Segment Reporting Information [Line Items]
Repositioning and other charges	(40)	(127)
Safety and Productivity Solutions | Operating Segments
Segment Reporting Information [Line Items]
Net sales	1,515	1,744
Total segment profit	260	253
Safety and Productivity Solutions | Operating Segments | Product
Segment Reporting Information [Line Items]
Net sales	1,324	1,633
Safety and Productivity Solutions | Operating Segments | Service
Segment Reporting Information [Line Items]
Net sales	$ 191	$ 111