EARNINGS (LOSS) PER SHARE (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Earnings Per Share [Abstract]
Net income attributable to Honeywell	$ 1,099	$ 1,021	$ 2,116	$ 1,987
Weighted average shares outstanding	784.5	787.6	784.7	786.7
Earnings per share of common stock - basic	$ 1.40	$ 1.30	$ 2.70	$ 2.53
Assuming dilution
Net income attributable to Honeywell	$ 1,099	$ 1,021	$ 2,116	$ 1,987
Average shares
Weighted average shares outstanding	784.5	787.6	784.7	786.7
Dilutive securities issuable - stock plans	10.9	10.5	11.2	10.9
Total weighted average shares outstanding	795.4	798.1	795.9	797.6
Earnings per share of common stock - assuming dilution	$ 1.38	$ 1.28	$ 2.66	$ 2.49
Earnings Per Share Paragraph Details [Abstract]
Stock options excluded from diluted computations	5.7	6.0	3.9	4.1