DOCUMENT AND ENTITY INFORMATION	3 Months Ended
	Mar. 31, 2019 shares
Document And Entity Information [Abstract]
Document type	10-Q
Document period end date	Mar. 31, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q1
Amendment flag	false
Entity registrant name	Honeywell International Inc.
Entity current reporting status	Yes
Current fiscal year end date	--12-31
Entity filer category	Large Accelerated Filer
Entity central index key	0000773840
Entity common stock shares outstanding	727,742,035
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Tax Identification Number	222640650