EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Earnings Per Share [Abstract]
Net income attributable to Honeywell	$ 1,282	$ 1,194	$ 2,468	$ 2,310
Weighted average shares outstanding	763.3	783.3	765.5	783.5
Earnings per share of common stock - basic	$ 1.68	$ 1.52	$ 3.22	$ 2.95
Assuming dilution
Net income attributable to Honeywell	$ 1,282	$ 1,194	$ 2,468	$ 2,310
Average shares
Weighted average shares outstanding	763.3	783.3	765.5	783.5
Dilutive securities issuable - stock plans	9.1	9.6	9.1	9.9
Total weighted average diluted shares outstanding	772.4	792.9	774.6	793.4
Earnings per share of common stock - assuming dilution	$ 1.66	$ 1.51	$ 3.19	$ 2.91
Earnings Per Share Paragraph Details [Abstract]
Stock options excluded from diluted computations	6.7	7.0	7.6	7.4