EARNINGS (LOSS) PER SHARE (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Earnings Per Share [Abstract]
Net income attributable to Honeywell	$ 1,194	$ 1,099	$ 2,310	$ 2,116
Weighted average shares outstanding	783.3	784.5	783.5	784.7
Earnings per share of common stock - basic	$ 1.52	$ 1.4	$ 2.95	$ 2.7
Assuming dilution
Net income attributable to Honeywell	$ 1,194	$ 1,099	$ 2,310	$ 2,116
Average shares
Weighted average shares outstanding	783.3	784.5	783.5	784.7
Dilutive securities issuable - stock plans	9.6	10.9	9.9	11.2
Total weighted average diluted shares outstanding	792.9	795.4	793.4	795.9
Earnings per share of common stock - assuming dilution	$ 1.51	$ 1.38	$ 2.91	$ 2.66
Earnings Per Share Paragraph Details [Abstract]
Stock options excluded from diluted computations	7.0	7.4	5.7	3.9