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 |