EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Earnings Per Share [Abstract]
Net income attributable to Honeywell	$ 1,240	$ 1,264	$ 3,775	$ 3,574
Weighted average shares outstanding	763.7	780.4	765.0	782.5
Earnings per share of common stock - basic	$ 1.62	$ 1.62	$ 4.93	$ 4.57
Assuming dilution
Net income attributable to Honeywell	$ 1,240	$ 1,264	$ 3,775	$ 3,574
Average shares
Weighted average shares outstanding	763.7	780.4	765.0	782.5
Dilutive securities issuable - stock plans	10.7	9.1	11.3	9.6
Total weighted average diluted shares outstanding	774.4	789.5	776.3	792.1
Earnings per share of common stock - assuming dilution	$ 1.6	$ 1.6	$ 4.86	$ 4.51
Earnings Per Share Paragraph Details [Abstract]
Stock options excluded from diluted computations	5.5	7.0	6.9	7.3