EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Basic
Net income attributable to Honeywell	$ 1,394	$ 1,134
Weighted average shares outstanding (in shares)	667.8	684.7
Earnings per share of common stock - basic (in dollars per share)	$ 2.09	$ 1.66
Assuming Dilution
Net income attributable to Honeywell	$ 1,394	$ 1,134
Average shares
Weighted average shares outstanding (in shares)	667.8	684.7
Dilutive securities issuable - stock plans (in shares)	5.2	6.6
Total weighted average shares outstanding (in shares)	673.0	691.3
Earnings per share of common stock - assuming dilution (in dollars per share)	$ 2.07	$ 1.64
Stock options excluded from diluted computations (in shares)	4.0	3.0
Total shareowners' equity (in shares)	665.7	680.7
Shares issued (in shares)	957.6	957.6