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INCOME TAX 6 (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Income Tax Examination Paragraph Details [Abstract]      
Income tax Examination Unrecognized Tax Benefits From Examination $ 403hon_IncomeTaxExaminationUnrecognizedTaxBenefitsFromExamination $ 431hon_IncomeTaxExaminationUnrecognizedTaxBenefitsFromExamination $ 443hon_IncomeTaxExaminationUnrecognizedTaxBenefitsFromExamination
Income Tax Examination Estimated Interest and Penalties From Examination 24hon_IncomeTaxExaminationEstimatedInterestAndPenaltiesFromExamination 17hon_IncomeTaxExaminationEstimatedInterestAndPenaltiesFromExamination 37hon_IncomeTaxExaminationEstimatedInterestAndPenaltiesFromExamination
Income Tax Examination Accrued Interest and Penalties From Examination $ 325hon_IncomeTaxExaminationAccruedInterestAndPenaltiesFromExamination $ 301hon_IncomeTaxExaminationAccruedInterestAndPenaltiesFromExamination $ 284hon_IncomeTaxExaminationAccruedInterestAndPenaltiesFromExamination
U.S. - Federal [Member] | 2010      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2010    
U.S. - Federal [Member] | 2011      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2011    
U.S. - Federal [Member] | 2012      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2012    
U.S. - Federal [Member] | 2013      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2013    
Income Tax Examinations Not Yet Initiated Years 2013    
U.S. - Federal [Member] | 2014      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2014    
U.S. - State [Member] | 2006      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2006    
U.S. - State [Member] | 2007      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2007    
Income Tax Examinations Not Yet Initiated Years 2007    
U.S. - State [Member] | 2008      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2008    
Income Tax Examinations Not Yet Initiated Years 2008    
U.S. - State [Member] | 2009      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2009    
Income Tax Examinations Not Yet Initiated Years 2009    
U.S. - State [Member] | 2010      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2010    
Income Tax Examinations Not Yet Initiated Years 2010    
U.S. - State [Member] | 2011      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2011    
Income Tax Examinations Not Yet Initiated Years 2011    
U.S. - State [Member] | 2012      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2012    
Income Tax Examinations Not Yet Initiated Years 2012    
U.S. - State [Member] | 2013      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2013    
Income Tax Examinations Not Yet Initiated Years 2013    
U.S. - State [Member] | 2014      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2014    
United Kingdom [Member] | 2012      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2012    
United Kingdom [Member] | 2013      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2013    
United Kingdom [Member] | 2014      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2014    
Canada [Member] | 2007      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2007    
Canada [Member] | 2008      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2008    
Canada [Member] | 2009      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2009    
Canada [Member] | 2010      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2010    
Canada [Member] | 2011      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2011    
Canada [Member] | 2012      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2012    
Canada [Member] | 2013      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2013    
Canada [Member] | 2014      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2014    
Germany [Member] | 2006      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2006    
Germany [Member] | 2007      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2007    
Germany [Member] | 2008      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2008    
Germany [Member] | 2009      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2009    
Germany [Member] | 2010      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2010    
Germany [Member] | 2011      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2011    
Germany [Member] | 2012      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2012    
Germany [Member] | 2013      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2013    
Germany [Member] | 2014      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2014    
France [Member] | 2004      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2004    
France [Member] | 2005      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2005    
France [Member] | 2006      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2006    
France [Member] | 2007      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2007    
France [Member] | 2008      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2008    
France [Member] | 2009      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2009    
France [Member] | 2010      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2010    
France [Member] | 2011      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2011    
France [Member] | 2012      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2012    
France [Member] | 2013      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2013    
France [Member] | 2014      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2014    
Netherlands [Member] | 2009      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2009    
Netherlands [Member] | 2010      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2010    
Netherlands [Member] | 2011      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2011    
Netherlands [Member] | 2012      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2012    
Netherlands [Member] | 2013      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2013    
Netherlands [Member] | 2014      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2014    
Australia [Member] | 2009      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2009    
Australia [Member] | 2010      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2010    
Australia [Member] | 2011      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2011    
Australia [Member] | 2012      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2012    
Australia [Member] | 2013      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2013    
Australia [Member] | 2014      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2014    
China [Member] | 2003      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2003    
China [Member] | 2004      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2004    
China [Member] | 2005      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2005    
China [Member] | 2006      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2006    
China [Member] | 2007      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2007    
China [Member] | 2008      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2008    
China [Member] | 2009      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2009    
China [Member] | 2010      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2010    
China [Member] | 2011      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2011    
China [Member] | 2012      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2012    
China [Member] | 2013      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2013    
China [Member] | 2014      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2014    
India [Member] | 1999      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 1999    
India [Member] | 2000      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2000    
India [Member] | 2001      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2001    
India [Member] | 2002      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2002    
India [Member] | 2003      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2003    
India [Member] | 2004      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2004    
India [Member] | 2005      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2005    
India [Member] | 2006      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2006    
India [Member] | 2007      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2007    
India [Member] | 2008      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2008    
India [Member] | 2009      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2009    
India [Member] | 2010      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2010    
India [Member] | 2011      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2011    
India [Member] | 2012      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2012    
India [Member] | 2013      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2013    
India [Member] | 2014      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2014    
Italy [Member] | 2008      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2008    
Italy [Member] | 2009      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2009    
Italy [Member] | 2010      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2010    
Italy [Member] | 2011      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2011    
Italy [Member] | 2012      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2012    
Italy [Member] | 2013      
Income Tax Examination [Line Items]      
Income Tax Examinations In Progress, Years 2013    
Italy [Member] | 2014      
Income Tax Examination [Line Items]      
Income Tax Examinations Not Yet Initiated Years 2014