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Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Lease Cost Information Lease, Cost [Table Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Basic Earnings Per Share, Basic [Abstract] Weighted average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Earnings per share of common stock - assuming dilution (in dollars per share) Earnings Per Share, Diluted Segments [Domain] Segments [Domain] Product Product [Member] Service cost Defined Benefit Plan, Service Cost Total liabilities Financial Liabilities Fair Value Disclosure Net Investment Hedging Net Investment Hedging [Member] Hedging Relationship [Axis] Hedging Relationship [Axis] Net Sales Sales [Member] Commercial Aviation Original Equipment Commercial Aviation Original Equipment [Member] Earnings Per Share Basic Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table Text Block] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Unbilled balances Unbilled Contracts Receivable Other intangible assets - net Intangible Assets, Net (Excluding Goodwill) Comprehensive income attributable to Honeywell Comprehensive Income (Loss), Net of Tax, Attributable to Parent Severance Severance Costs Employee Severance [Member] Asbestos Related Liabilities Schedule Of Accrual For Asbestos Loss Contingencies Roll Forward [Table Text Block] The tabular disclosure of loss contingency, Asbestos Related Liabilities Contract liabilities - beginning balance Contract liabilities - ending balance Contract with Customer, Liability Net cash used for financing activities Net Cash Provided by (Used in) Financing Activities Common stock held in treasury, at cost Treasury Stock, Value Net right-of-use assets obtained in exchange for lease obligations: Right Of Use Assets Obtained In Exchange For Lease [Abstract] Right Of Use Assets Obtained In Exchange For Lease [Abstract] Average Shares Weighted Average Number of Shares Outstanding, Diluted [Abstract] Deferred income taxes Deferred Income Tax Liabilities, Net Equity income of affiliated companies Income (Loss) from Equity Method Investments Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Charges Restructuring Charges Accounts payable Accounts Payable, Current Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Interest and Other Financial Charges InterestAndOtherFinancialCharges [Member] Interest And Other Financial Charges [Member] Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Other assets, reimbursement agreement Indemnity And Reimbursement Receivable Recorded In Other Assets Amount of indemnification and reimbursement receivable recorded in Other Assets. 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Schedule Of Pretax Distribution Of Repositioning And Other Charges By Income Statement Classification [Table] Schedule Of Pretax Distribution Of Repositioning And Other Charges By Income Statement Classification [Table] Tabular disclosure of the pretax distribution of total net repositioning and other charges by income statement classification Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Schedule of Derivative Instruments Schedule of Derivative Instruments [Table Text Block] U.S. Plans UNITED STATES Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Current assets: Assets, Current [Abstract] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Other Proceeds from (Payments for) Other Financing Activities Leases [Abstract] Leases [Abstract] Insurance recoveries for asbestos related liabilities Loss Contingency, Receivable, Noncurrent Accumulated Other Comprehensive Income Loss [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Resideo Resideo [Member] Resideo [Member] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Revenue Recognition and Contracts with Customers Revenue from Contract with Customer [Policy Text Block] Total weighted average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Net current period other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Fair Value Measurements Recurring Fair Value, Recurring [Member] Amortization Amortization Building Solutions Building Solutions [Member] INCOME TAXES Income Tax Disclosure [Text Block] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Finance lease, right-of-use asset, statement of financial position Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Transferred point in time Transferred at Point in Time [Member] Other Other Income Expense Excluding Equity Of Affiliated Companies Other income (expense) excluding equity of affiliated companies Hedged items Gain (Loss) on Fair Value Hedges Recognized in Earnings Measurement Basis [Axis] Measurement Basis [Axis] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Cross currency swap agreements Currency Swap [Member] Long-term receivables Loans Receivable, Fair Value Disclosure Derivatives Not Designated as Hedging Instruments: Not Designated as Hedging Instrument [Member] Entity Address, Address Line One Entity Address, Address Line One Net cash used for investing activities Net Cash Provided by (Used in) Investing Activities Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Changes in assets and liabilities, net of the effects of acquisitions and divestitures: Increase (Decrease) in Operating Capital [Abstract] 1.75% notes due 2031 Notes 175 due 2031 [Member] Notes 175 du1.75% notes due 2031 Other current assets Loss Contingency, Receivable, Current Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Entity Shell Company Entity Shell Company Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Total current liabilities Liabilities, Current Class of Stock [Domain] Class of Stock [Domain] Nonmalignant claims (in dollars per claim) Resolution Values Of Non Malignant Claims1 Average resolution value per non malignant claims made against the entity based on total cost of settlement divided by the total number of non malignant claims. Foreign currency exchange contracts Foreign Exchange Forward [Member] Change in estimated cost of future claims Loss Contingency Accrual, Adjustment Loss Contingency Accrual, Adjustment Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Loss Contingencies [Table] Loss Contingencies [Table] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Current Fiscal Year End Date Current Fiscal Year End Date Financing leases Finance Lease, Assets And Liabilities, Lessee [Abstract] Finance Lease, Assets And Liabilities, Lessee FAIR VALUE MEASUREMENTS Financial Instruments Disclosure [Text Block] Change in contract assets - increase (decrease) Contract with Customer, Asset, Reclassified to Receivable Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Floating rate notes due 2022 FloatingRateNotesDue2022 [Member] Floating rate notes due 2022 [Member] Other current assets Other Assets, Current Statement [Table] Statement [Table] Issued for employee savings and option plans Stock Issued During Period Values For Employee Savings And Option Plans Value of stock issued during the period for employee savings and option plans. Beginning of period End of period Total environmental liabilities Accrual for Environmental Loss Contingencies Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] 2.250% Senior Notes due 2028 2.25% Euro notes due 2028 Euro Notes 2.25% Due 2028 [Member] NARCO Narco Asbestos Loss Contingency Liability [Member] Narco asbestos loss contingency liability Restructuring costs incurred to date Restructuring and Related Cost, Cost Incurred to Date Claims filed Loss Contingency, New Claims Filed, Number Fair Value (Liability) Fair value liability Derivative Liability, Fair Value, Gross Liability Schedule Of Pretax Impact of Total Repositioning [Table] Schedule Of Pretax Impact of Total Repositioning [Table] Tabular disclosure of the pretax impact of total net repositioning and other charges by segment. 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Senior notes Senior Notes