COVER PAGE - USD ($) $ in Billions	12 Months Ended
	Dec. 31, 2023	Jan. 26, 2024	Jun. 30, 2023
Entity Information [Line Items]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2023
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	1-8974
Entity Registrant Name	Honeywell International Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	22-2640650
Entity Address, Address Line One	855 South Mint Street
Entity Address, City or Town	Charlotte,
Entity Address, State or Province	NC
Entity Address, Postal Zip Code	28202
City Area Code	704
Local Phone Number	627-6200
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Icfr Auditor Attestation Flag	true
Document Financial Statement Error Correction [Flag]	false
Entity Shell Company	false
Entity Public Float			$ 137.8
Entity Common Stock, Shares Outstanding		652,181,812
Documents Incorporated by Reference	Part III: Proxy Statement for Annual Meeting of Shareowners to be held May 14, 2024
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Central Index Key	0000773840
Common stock, par value
Entity Information [Line Items]
Title of 12(b) Security	Common Stock, par value $1 per share
Trading Symbol	HON
Security Exchange Name	NASDAQ
0.00% Euro notes due 2024
Entity Information [Line Items]
Title of 12(b) Security	0.000% Senior Notes due 2024
Trading Symbol	HON 24A
Security Exchange Name	NASDAQ
3.500% Senior Notes due 2027
Entity Information [Line Items]
Title of 12(b) Security	3.500% Senior Notes due 2027
Trading Symbol	HON 27
Security Exchange Name	NASDAQ
2.25% Euro notes due 2028
Entity Information [Line Items]
Title of 12(b) Security	2.250% Senior Notes due 2028
Trading Symbol	HON 28A
Security Exchange Name	NASDAQ
0.75% Euro notes due 2032
Entity Information [Line Items]
Title of 12(b) Security	0.750% Senior Notes due 2032
Trading Symbol	HON 32
Security Exchange Name	NASDAQ
3.750% Senior Notes due 2032
Entity Information [Line Items]
Title of 12(b) Security	3.750% Senior Notes due 2032
Trading Symbol	HON 32A
Security Exchange Name	NASDAQ
4.125% Euro notes due 2034
Entity Information [Line Items]
Title of 12(b) Security	4.125% Senior Notes due 2034
Trading Symbol	HON 34
Security Exchange Name	NASDAQ