EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Basic
Net income attributable to Honeywell	$ 1,544	$ 1,487	$ 3,007	$ 2,881
Weighted average shares outstanding (in shares)	650.2	665.3	651.3	666.5
Earnings per share of common stock - basic (in dollars per share)	$ 2.37	$ 2.24	$ 4.62	$ 4.32
Assuming Dilution
Net income attributable to Honeywell	$ 1,544	$ 1,487	$ 3,007	$ 2,881
Average shares
Weighted average shares outstanding (in shares)	650.2	665.3	651.3	666.5
Dilutive securities issuable - stock plans (in shares)	4.0	4.9	4.2	5.4
Total weighted average diluted shares outstanding (in shares)	654.2	670.2	655.5	671.9
Earnings per share of common stock - assuming dilution (in dollars per share)	$ 2.36	$ 2.22	$ 4.59	$ 4.29
Stock options excluded from diluted computations (in shares)	5.6	4.7	5.3	4.3
Total shareowners' equity (in shares)	649.7	664.0	649.7	664.0
Shares issued (in shares)	957.6	957.6	957.6	957.6