Earnings Per Share (Tables)
9 Months Ended
Sep. 30, 2011
Earnings Per Share (Tables) [Abstract] 
Schedule Of Earnings Per Share Basic By Common Class
  Three Months Ended  Nine Months Ended
  September 30  September 30
Basic 2011  2010  2011  2010
            
Income from continuing operations less net           
income attributable to the noncontrolling interest$ 685 $ 579 $ 2,168 $ 1,600
Income from discontinued operations  177   19   209   53
Net income attributable to Honeywell  862   598   2,377   1,653
            
Weighted average shares outstanding  778.2   776.5   782.9   770.6
            
Earnings per share of common stock           
Income from continuing operations  0.88   0.75   2.77   2.08
Income from discontinued operations  0.23   0.02   0.27   0.07
Net income attributable to Honeywell$ 1.11 $ 0.77 $ 3.04 $ 2.15
Schedule Of Earnings Per Share Diluted By Common Class
            
  Three Months Ended  Nine Months Ended
  September 30  September 30
Assuming Dilution 2011  2010  2011  2010
            
Income from continuing operations less net           
income attributable to the noncontrolling interest$ 685 $ 579 $ 2,168 $ 1,600
Income from discontinued operations  177   19   209   53
Net income attributable to Honeywell  862   598   2,377   1,653
            
Average Shares            
Weighted average shares outstanding  778.2   776.5   782.9   770.6
Dilutive securities issuable - stock plans  8.7   6.3   11.1   6.7
Total weighted average shares outstanding  786.9   782.8   794.0   777.3
            
Earnings per share of common stock           
Income from continuing operations  0.87   0.74   2.73   2.06
Income from discontinued operations  0.23   0.02   0.26   0.07
Net income attributable to Honeywell$ 1.10 $ 0.76 $ 2.99 $ 2.13