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Document and Entity Information (USD $)
In Billions, except Share data
6 Months Ended
Jun. 30, 2011
Document And Entity Information Abstract  
Document type 10-Q
Document period end date Jun. 30, 2011
Document Fiscal Year Focus 2011
Document Fiscal Period Focus Q2
Amendment flag false
Entity registrant name Honeywell International Inc
Entity central index key 0000773840
Entity current reporting status Yes
Entity voluntary filers No
Current fiscal year end date --12-31
Entity filer category Large Accelerated Filer
Entity well known seasoned issuer Yes
Entity common stock shares outstanding 782,425,252
Entity public float $ 47.1