REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Net Sales	$ 35,466	$ 34,392	$ 32,637
Disaggregation of revenue, timing of recognition - percentage	100.00%	100.00%	100.00%
Product
Disaggregation of Revenue [Line Items]
Net Sales	$ 25,960	$ 25,643	$ 24,737
Disaggregation of revenue, timing of recognition - percentage	73.00%	75.00%	76.00%
Product | Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Disaggregation of revenue, timing of recognition - percentage	59.00%	58.00%	61.00%
Product | Transferred over Time
Disaggregation of Revenue [Line Items]
Disaggregation of revenue, timing of recognition - percentage	14.00%	17.00%	15.00%
Service
Disaggregation of Revenue [Line Items]
Net Sales	$ 9,506	$ 8,749	$ 7,900
Disaggregation of revenue, timing of recognition - percentage	27.00%	25.00%	24.00%
Service | Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Disaggregation of revenue, timing of recognition - percentage	8.00%	8.00%	8.00%
Service | Transferred over Time
Disaggregation of Revenue [Line Items]
Disaggregation of revenue, timing of recognition - percentage	19.00%	17.00%	16.00%
Operating Segments
Disaggregation of Revenue [Line Items]
Net Sales	$ 35,466	$ 34,392	$ 32,637
Corporate and All Other
Disaggregation of Revenue [Line Items]
Net Sales	5	0	0
Aerospace | Operating Segments
Disaggregation of Revenue [Line Items]
Net Sales	11,827	11,026	11,544
Aerospace | Operating Segments | Commercial Aviation Original Equipment
Disaggregation of Revenue [Line Items]
Net Sales	2,089	1,720	1,940
Aerospace | Operating Segments | Commercial Aviation Aftermarket
Disaggregation of Revenue [Line Items]
Net Sales	5,108	4,155	3,812
Aerospace | Operating Segments | Defense and Space
Disaggregation of Revenue [Line Items]
Net Sales	4,630	5,151	5,792
Honeywell Building Technologies | Operating Segments
Disaggregation of Revenue [Line Items]
Net Sales	6,000	5,539	5,189
Honeywell Building Technologies | Operating Segments | Products
Disaggregation of Revenue [Line Items]
Net Sales	3,638	3,173	2,967
Honeywell Building Technologies | Operating Segments | Building Solutions
Disaggregation of Revenue [Line Items]
Net Sales	2,362	2,366	2,222
Performance Materials and Technologies | Operating Segments
Disaggregation of Revenue [Line Items]
Net Sales	10,727	10,013	9,423
Performance Materials and Technologies | Operating Segments | UOP
Disaggregation of Revenue [Line Items]
Net Sales	2,404	2,348	2,177
Performance Materials and Technologies | Operating Segments | Process Solutions
Disaggregation of Revenue [Line Items]
Net Sales	4,731	4,611	4,590
Performance Materials and Technologies | Operating Segments | Advanced Materials
Disaggregation of Revenue [Line Items]
Net Sales	3,592	3,054	2,656
Safety and Productivity Solutions | Operating Segments
Disaggregation of Revenue [Line Items]
Net Sales	6,907	7,814	6,481
Safety and Productivity Solutions | Operating Segments | Sensing and Safety Technologies
Disaggregation of Revenue [Line Items]
Net Sales	2,952	3,260	3,246
Safety and Productivity Solutions | Operating Segments | Productivity Solutions and Services
Disaggregation of Revenue [Line Items]
Net Sales	1,619	1,614	1,273
Safety and Productivity Solutions | Operating Segments | Warehouse and Workflow Solutions
Disaggregation of Revenue [Line Items]
Net Sales	$ 2,336	$ 2,940	$ 1,962