EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Earnings Per Share [Abstract]
Net income attributable to Honeywell	$ 1,326	$ 1,216
Weighted average shares outstanding	763.1	767.9
Earnings per share of common stock - basic	$ 1.74	$ 1.58
Assuming dilution
Net income attributable to Honeywell	$ 1,326	$ 1,216
Average shares
Weighted average shares outstanding	763.1	767.9
Dilutive securities issuable - stock plans	10.8	11.7
Total weighted average diluted shares outstanding	773.9	779.6
Earnings per share of common stock - assuming dilution	$ 1.71	$ 1.56
Earnings Per Share Paragraph Details [Abstract]
Stock options excluded from diluted computations	2.1	8.4