EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Basic
Net income attributable to Honeywell	$ 1,261	$ 1,430	$ 2,395	$ 2,857
Weighted average shares outstanding (in shares)	679.0	693.8	681.8	695.0
Earnings per share of common stock - basic (in dollars per share)	$ 1.86	$ 2.06	$ 3.51	$ 4.11
Assuming Dilution
Net income attributable to Honeywell	$ 1,261	$ 1,430	$ 2,395	$ 2,857
Average Shares
Weighted average shares outstanding (in shares)	679.0	693.8	681.8	695.0
Dilutive securities issuable - stock plans (in shares)	6.0	8.7	6.3	8.5
Total weighted average shares outstanding (in shares)	685.0	702.5	688.1	703.5
Earnings per share of common stock - assuming dilution (in dollars per share)	$ 1.84	$ 2.04	$ 3.48	$ 4.06
Stock options excluded from diluted computations (in shares)	5.6	1.9	3.4	1.4
Total shareowners' equity (in shares)	673.7	690.4	673.7	690.4
Shares issued (in shares)	957.6	957.6	957.6	957.6