EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Basic
Net income attributable to Honeywell	$ 1,487	$ 1,261	$ 2,881	$ 2,395
Weighted average shares outstanding (in shares)	665.3	679.0	666.5	681.8
Earnings per share of common stock - basic (in dollars per share)	$ 2.24	$ 1.86	$ 4.32	$ 3.51
Assuming Dilution
Net income attributable to Honeywell	$ 1,487	$ 1,261	$ 2,881	$ 2,395
Average shares
Weighted average shares outstanding (in shares)	665.3	679.0	666.5	681.8
Dilutive securities issuable - stock plans (in shares)	4.9	6.0	5.4	6.3
Total weighted average shares outstanding (in shares)	670.2	685.0	671.9	688.1
Earnings per share of common stock - assuming dilution (in dollars per share)	$ 2.22	$ 1.84	$ 4.29	$ 3.48
Stock options excluded from diluted computations (in shares)	4.7	5.6	4.3	3.4
Total shareowners' equity (in shares)	664.0	673.7	664.0	673.7
Shares issued (in shares)	957.6	957.6	957.6	957.6