EARNINGS PER SHARE - Schedule of Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Basic
Net income attributable to Honeywell	$ 5,705	$ 5,658	$ 4,966
Weighted average shares outstanding (in shares)	650.9	663.0	677.1
Earnings per share of common stock - basic (in dollars per share)	$ 8.76	$ 8.53	$ 7.33
Assuming Dilution
Net income attributable to Honeywell	$ 5,705	$ 5,658	$ 4,966
Average shares
Weighted average shares outstanding (in shares)	650.9	663.0	677.1
Dilutive securities issuable - stock plans (in shares)	4.4	5.2	6.0
Total weighted average diluted shares outstanding (in shares)	655.3	668.2	683.1
Earnings per share of common stock - assuming dilution (in dollars per share)	$ 8.71	$ 8.47	$ 7.27