SEGMENT FINANCIAL DATA (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) segment	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | segment	4
Net Sales	$ 35,466	$ 34,392	$ 32,637
Depreciation and amortization	1,204	1,138	1,003
Segment profit	7,689	7,212	6,665
Capital expenditures	766	895	906
Total assets	62,275	64,470	64,586
Aerospace | Cost of Products Sold
Segment Reporting Information [Line Items]
Net Sales	6,330	6,158	7,194
Aerospace | Cost of Services Sold
Segment Reporting Information [Line Items]
Net Sales	5,497	4,868	4,350
Honeywell Building Technologies | Cost of Products Sold
Segment Reporting Information [Line Items]
Net Sales	4,591	4,098	3,868
Honeywell Building Technologies | Cost of Services Sold
Segment Reporting Information [Line Items]
Net Sales	1,409	1,441	1,321
Performance Materials and Technologies | Cost of Products Sold
Segment Reporting Information [Line Items]
Net Sales	8,593	8,008	7,548
Performance Materials and Technologies | Cost of Services Sold
Segment Reporting Information [Line Items]
Net Sales	2,134	2,005	1,875
Safety and Productivity Solutions | Cost of Products Sold
Segment Reporting Information [Line Items]
Net Sales	6,446	7,379	6,127
Safety and Productivity Solutions | Cost of Services Sold
Segment Reporting Information [Line Items]
Net Sales	461	435	354
Corporate and All Other
Segment Reporting Information [Line Items]
Net Sales	5	0	0
Depreciation and amortization	158	102	44
Segment profit	(412)	(226)	(96)
Capital expenditures	78	94	52
Total assets	14,708	17,174	19,788
Corporate and All Other | Cost of Services Sold
Segment Reporting Information [Line Items]
Net Sales	5	0	0
Operating Segments
Segment Reporting Information [Line Items]
Net Sales	35,466	34,392	32,637
Operating Segments | Aerospace
Segment Reporting Information [Line Items]
Net Sales	11,827	11,026	11,544
Depreciation and amortization	285	278	241
Segment profit	3,228	3,051	2,904
Capital expenditures	246	284	248
Total assets	12,189	11,490	11,035
Operating Segments | Honeywell Building Technologies
Segment Reporting Information [Line Items]
Net Sales	6,000	5,539	5,189
Depreciation and amortization	92	67	55
Segment profit	1,439	1,238	1,099
Capital expenditures	74	62	66
Total assets	6,599	6,543	6,351
Operating Segments | Performance Materials and Technologies
Segment Reporting Information [Line Items]
Net Sales	10,727	10,013	9,423
Depreciation and amortization	478	454	440
Segment profit	2,354	2,120	1,851
Capital expenditures	318	265	252
Total assets	17,887	18,021	16,772
Operating Segments | Safety and Productivity Solutions
Segment Reporting Information [Line Items]
Net Sales	6,907	7,814	6,481
Depreciation and amortization	191	237	223
Segment profit	1,080	1,029	907
Capital expenditures	50	190	288
Total assets	$ 10,892	$ 11,242	$ 10,640