Debt Disclosure [Abstract] Long-term Debt Debt Disclosure [Text Block] Fair Value Disclosures [Abstract] Financial Instruments and Fair Value Measures Financial Instruments Disclosure [Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] 1.40% notes due 2019 [Member] Notes 1.40% due 2019 [Member] 1.40% Notes due 2019. Three year floating rate notes due 2019 [Member] Three Year Floating Rate Notes due 2019 [Member] Three year notes with floating rates due 2019. Two Year Floating Rate Notes Due 2019 [Member] Two Year Floating Rate Notes Due 2019 [Member] 1.80% notes due 2019 [Member] Notes 1.8% Due 2019 [Member] 1.8% notes due 2019. 0.65% Euro notes due 2020 [Member] Euro Notes .65% Due 2020 [Member] 4.25% notes due 2021 [Member] Notes 4.25% due 2021 [Member] Notes 425 Due 2021 [Member] 1.85% notes due 2021 [Member] Notes 1.85% Due 2021 [Member] 1.85% Notes due 2021 1.30% Euro notes due 2023 [Member] Euro Notes 1.30% Due 2023 [Member] 3.35% notes due 2023 [Member] Notes 3.35% due 2023 [Member] 2.50% notes due 2026 [Member] Notes 2.50% due 2026 [Member] 2.50% notes due 2026. 2.25% Euro notes due 2028 [Member] Euro Notes 2.25% Due 2028 [Member] 5.70% notes due 2036 [Member] Notes 5.70% due 2036 [Member] 5.70% notes due 2036 5.70% notes due 2037 [Member] Notes 5.70% due 2037 [Member] 5.70% notes due 2037 5.375% notes due 2041 [Member] Notes 5.375% due 2041 [Member] 3.812% notes due 2047 [Member] Notes 3812 Due 2047 [Member] 3.812% Notes due 2047 Industrial development bond obligations, floating rate maturing at various dates through 2037 [Member] Industrial development bond obligations, floating rate maturing at various dates through 2037 [Member] Industrial development bond obligations with floating rates maturing at various dates 6.625% debentures due 2028 [Member] Debentures 6.625% due 2028 [Member] 6.625% debentures due 2028 9.065% debentures due 2033 [Member] Debentures 9.065% due 2033 [Member] 9.065% debentures due 2033 Other (including capitalized leases and debt issuance costs 5.7% weighted average maturing at various dates through 2025 [Member] Other Including Capitalized Leases And Debt Issuance Costs 5.7% Weighted Average Maturing At Various Dates Through 2025 [Member] Other Including Capitalized Leases And Debt Issuance Costs 5.7% Weighted Average Maturing At Various Dates Through 2025 [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Senior Notes Senior Notes Industrial development bond Industrial Development Bond Industrial development bond Junior Subordinated Notes Junior Subordinated Notes Other long term debt Other Long-term Debt Notes Payable, Fair Value Disclosure Notes Payable, Fair Value Disclosure Total long-term debt, including current portion Long-term Debt Less current portion Long-term Debt and Capital Lease Obligations, Current Long-term Debt and Capital Lease Obligations Long-term Debt and Capital Lease Obligations Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Interest Rate, Stated Percentage Debt, Weighted Average Interest Rate Debt, Weighted Average Interest Rate Line of Credit Facility [Table] Line of Credit Facility [Table] Lender Name [Axis] Lender Name [Axis] Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Syndicate Of Banks [Member] Syndicate Of Banks [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] $1.5B 364-Day Credit Agreement [Member] Revolving Credit Facility [Member] 5-Year Credit Agreement Credit Agreement 5 Year Credit Agreement [Member] Prior 5-Year Credit Agreement [Member] Prior 5-Year Credit Agreement [Member] Prior 5-Year Credit Agreement [Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Line of credit facility, current borrowing capacity Line of Credit Facility, Current Borrowing Capacity Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Line of credit facility, borrowing capacity of prior agreement LineOfCreditFacilityBorrowingCapacityOfPriorAgreement The amount of borrowing capacity that was available under the prior credit facility agreement. Line of credit facility, remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Inventory Disclosure [Abstract] Raw materials Inventory, Raw Materials, Net of Reserves Work in process Inventory, Work in Process, Net of Reserves Finished products Inventory, Finished Goods, Net of Reserves Inventory, Gross Inventory, Gross Reduction to LIFO cost basis Inventory, LIFO Reserve Inventories Inventory, Net Leases [Abstract] New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2016-02 [Member] Accounting Standards Update 2016-02 [Member] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets Commitments and Contingencies Disclosure [Abstract] Loss Contingencies [Table] Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] United Auto Workers [Member] United Auto Workers [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] Minimum [Member] Other Matters Paragraph Details [Line Items] Other Matters Paragraph Details [Line Items] Loss Contingency Damages Awarded Value Loss Contingency, Damages Awarded, Value Actions taken by Honeywell Loss Contingency, Actions Taken by Defendant Restructuring and Related Activities [Abstract] Repositioning and other charges Restructuring and Related Costs [Table Text Block] Pretax distribution of total net repositioning and other charges by income statement classification Pretax Distribution Of Total Net Repositioning And Other Charges by Income Statement Classification [Table Text Block] The tabular disclosure of Pretax distribution of total net repositioning and other charges by income statement classification Pretax Impact of Total Net Repositioning and Other Charges by Segment Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Table Text Block] Pretax Impact of Total Net Repositioning and Other Charges by Segment Total Repositioning Reserves Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Fair Value Measurements, Recurring and Nonrecurring [Table] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Foreign currency exchange contracts [Member] Foreign Exchange Contract [Member] Interest rate swap agreements [Member] Interest Rate Contract [Member] Cross currency swap agreements [Member] Currency Swap [Member] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value Measurements Recurring [Member] Fair Value, Measurements, Recurring [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Significant Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Derivative Fair Value Of Derivative Asset Derivative Asset, Fair Value, Gross Asset Available for sale investments Debt Securities, Available-for-sale Derivative Fair Value Of Derivative Liability Derivative Liability, Fair Value, Gross Liability Loss Contingency Schedule Of Accrual For Environmental Loss Contingencies Roll Forward [Table Text Block] The tabular disclosure of Accrual For Environmental Loss Contingencies Roll Forward Environmental liabilities are included in the following balance sheet accounts: Schedule Of Accrual For Environmental Loss Contingencies Balance Sheet Classification [Table Text Block] The tabular disclosure of accrual for environmental loss contingencies balance sheet classification Asbestos Related Liabilities Schedule Of Accrual For Asbestos Loss Contingencies Roll Forward [Table Text Block] The tabular disclosure of loss contingency, Asbestos Related Liabilities Insurance Recoveries for Asbestos Related Liabilities Schedule Of Insurance Recoveries For Asbestos Loss Contingencies Roll Forward [Text Block] The tabular disclosure of insurance recoveries for asbestos loss contingencies roll forward NARCO and Bendix asbestos related balances are included in the following balance sheet accounts Schedule Of Accrual For Asbestos Loss Contingencies Balance Sheet Classification [Text Block] The tabular disclosure of loss contingency, Narco and Bendix asbestos related balances, by balance sheet caption The following tables present information regarding Bendix related asbestos claims activity Schedule Of Loss Contingencies Litigation Claims Activity [Table Text Block] The tabular disclosure of loss contingencies litigation claims activity Disease distribution of claims Schedule Of Loss Contingencies Disease Distribution Of Unresolved Litigation Claims [Table Text Block] The tabular disclosure of loss contingency, disease distribution of unresolved claims Average resolution values per asbestos claim Schedule Of Loss Contingencies Average Litigation Claim Values [Table Text Block] The tabular disclosure of loss contingency, resolution values per claim Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Financial assets and liabilities that were not carried at fair value Fair Value, by Balance Sheet Grouping [Table Text Block] Amounts recorded on the Consolidated Balance Sheet related to cumulative basis adjustments for fair value hedges [Table Text Block] Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] Schedule of Net Investment Hedges in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Net Investment Hedges in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Lessee, Operating Leases [Text Block] Lessee, Operating Leases [Text Block] Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Less: Net income attributable to the noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest Net income attributable to Honeywell Net Income (Loss) Attributable to Parent Adjustments to reconcile net income attributable to Honeywell to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation Depreciation Amortization Amortization Repositioning and other charges Restructuring Costs Net payments for repositioning and other charges Net Payments For Repositioning And Other Charges The amount of cash paid during the reporting period for charges associated with the consolidation and relocation of operations, disposition or abandonment of operations or productive assets (that is, for reorganizing and restructuring charges and Pension and other postretirement income Pension and Other Postretirement Benefits Expense (Reversal of Expense), Noncash Pension and other postretirement benefit payments Payment for Pension and Other Postretirement Benefits Stock compensation expense Share-based Compensation Deferred income taxes Deferred Income Taxes and Tax Credits Other Other Noncash Income (Expense) Changes in assets and liabilities, net of the effects of acquisitions and divestitures: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Inventories Increase (Decrease) in Inventories Other current assets Increase (Decrease) in Other Operating Assets Accounts payable Increase (Decrease) in Accounts Payable Accrued liabilities Increase (Decrease) in Accrued Liabilities Net cash provided by (used for) operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Expenditures for property, plant and equipment Payments to Acquire Property, Plant, and Equipment Proceeds from disposals of property, plant and equipment Proceeds from Sale of Property, Plant, and Equipment Increase in investments Payments to Acquire Investments Decrease in investments Proceeds from Sale, Maturity and Collection of Investments Other Payments for (Proceeds from) Other Investing Activities Net cash provided by (used for) investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from issuance of commercial paper and other short-term borrowings Proceeds from Short-term Debt Payments of commercial paper and other short-term borrowings Repayments of Short-term Debt Proceeds from issuance of common stock Proceeds from Issuance or Sale of Equity Proceeds from issuance of long-term debt Proceeds from Issuance of Long-term Debt and Capital Securities, Net Payments of long-term debt Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities Repurchases of common stock Payments for Repurchase of Common Stock Cash dividends paid Payments of Ordinary Dividends, Common Stock Other Proceeds from (Payments for) Other Financing Activities Net cash provided by (used for) financing activities Net Cash Provided by (Used in) Financing Activities Effect of foreign exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash and cash equivalents at beginning of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and cash equivalents at end of period Schedule of Restructuring and Related Costs [Table] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Severance Employee Severance [Member] Asset impairments Tangible And Intangible Asset Impairment [Member] Information by type of asset written down to an amount that can be expected to be realized or recovered. Exit costs Facility Closing [Member] Reserve adjustments Restructuring Reserve Accrual Adjustments [Member] Restructuring Reserve Accrual Adjustments Restructuring Reserve [Line Items] Restructuring Reserve Disclosures [Abstract] Balance at beginning of period, Restructuring Reserve Charges Restructuring Charges Usage - cash Payments for Restructuring Usage - noncash Restructuring Reserve, Settled without Cash Foreign currency translation Restructuring Reserve, Foreign Currency Translation Gain (Loss) Adjustments Restructuring Reserve, Accrual Adjustment Balance at end of period, Gain (loss) on interest rate swap agreements Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments Foreign exchange mark-to-market income (expense) Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Other Income and Expenses [Abstract] Other (Income) expense [Text Block] Other Income and Other Expense Disclosure [Text Block] Segment Reporting [Abstract] Segment Financial Data 2 Details [Abstract] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract] Total segment profit Segment Reporting Segment Profit Loss Segment profit is measured as business unit income (loss) before taxes excluding general corporate unallocated expense, other income (expense), interest and other financial charges, pension and other postretirement benefits (expense), stock compensation expense, repositioning and other charges and accounting changes and includes equity income. Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Operating Segments [Member] Operating Segments [Member] Segment Reconciling Items [Member] Segment Reconciling Items [Member] Corporate Corporate, Non-Segment [Member] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Retirement Plan Type [Domain] Retirement Plan Type [Domain] Pension [Member] Pension Plan [Member] Other Postretirement [Member] Other Postretirement Benefits Plan [Member] Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] Interest and other financial charges Interest and Debt Expense Stock compensation expense Allocated Share-based Compensation Expense Pension ongoing income Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Repositioning and other charges Restructuring Reserve And Other Charges Period Increase Decrease Net total Increase or Decrease in the accrual for restructuring and other costs, including asbestos litigation charges - net of insurance and environmental remediation activities, during the reporting period. Other Other Income Expense Excluding Equity Of Affiliated Companies Other income (expense) excluding equity of affiliated companies Income before taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Inventories Inventory Disclosure [Text Block] Receivables [Abstract] Schedule of Accounts Receivables Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Other (income) expense [Table Text Block] Interest and Other Income [Table Text Block] Schedule of Restructuring and Related Costs [Table] Sale Of Legacy Remediated Property [Member] Sale Of Legacy Property [Member] Sale Of Legacy Property [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Accrual for Environmental Loss Contingencies [Roll Forward] Accrual for Environmental Loss Contingencies [Roll Forward] Beginning of period Accrual for Environmental Loss Contingencies Accruals for environmental matters deemed probable and reasonably estimable Accrual for Environmental Loss Contingencies, Charges to Expense for New Losses Environmental liability payments Accrual for Environmental Loss Contingencies, Payments Other Accrual for Environmental Loss Contingencies, Period Increase (Decrease) End of period Probable and reasonably estimable environmental liabilities, net of indemnities Environmental Remediation Expense Loss Contingency, Classification of Accrual [Abstract] Loss Contingency, Classification of Accrual [Abstract] Accrued liabilities Accrued Environmental Loss Contingencies, Current Other liabilities Accrued Environmental Loss Contingencies, Noncurrent Total environmental liabilities Revenue from Contract with Customer [Abstract] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Aerospace Aerospace [Member] Aerospace Honeywell Building Technologies Home And Building Technologies [Member] Performance Materials and Technologies Performance Materials And Technologies [Member] Performance Materials and Technologies Safety and Productivity Solutions Safety And Productivity Solutions [Member] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Commercial Aviation Original Equipment [Member] Commercial Aviation Original Equipment [Member] Commercial Aviation Aftermarket [Member] Commercial Aviation Aftermarket [Member] Defense and Space [Member] Defense Services [Member] Transportation Systems [Member] Transportation Systems [Member] Homes Products And Software [Member] Products And Software [Member] Distribution (ADI) Distribution Adi [Member] Products [Member] Building Products [Member] Building Solutions [Member] Building Solutions [Member] UOP [Member] UOP [Member] Process Solutions [Member] Process Solutions [Member] Specialty Products [Member] Specialty Products [Member] Fluorine Products [Member] Fluorine Products [Member] Safety and Retail [Member] Safety and Retail [Member] Productivity Products [Member] Productivity Products [Member] Warehouse and Workflow Solutions [Member] Warehouse and Workflow Solutions [Member] Sensing & Internet-of-Things (IoT) Sensing And Internet Of Things [Member] Products [Member] Products [Member] Services [Member] Services [Member] Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Transferred At Point In Time [Member] Transferred at Point in Time [Member] Transferred Over Time [Member] Transferred over Time [Member] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Net Sales Revenue from Contract with Customer, Excluding Assessed Tax Disaggregation of revenue, timing of recognition - percentage Revenue From Contract With Customer Percentage Percentage of revenue from contract with customers based off timing of recognition. Bendix Asbestos Loss Contingency Liability [Member] Bendix Asbestos Loss Contingency Liability [Member] Bendix asbestos loss contingency liability Loss Contingency Claims [Line Items] Loss Contingency Claims [Line Items] Loss Contingency Claims [Abstract] Loss Contingency Claims [Abstract] Claims unresolved at the beginning of period Loss Contingency, Pending Claims, Number Claims filed during the period Loss Contingency, New Claims Filed, Number Claims resolved during the period Loss Contingency, Claims Settled and Dismissed, Number Claims unresolved at the end of period Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Short-term Investments Short-term Investments Accounts receivable - net Accounts Receivable, Net, Current Inventories Other current assets Other Assets, Current Total current assets Assets, Current Investments and long-term receivables Long-term Investments and Receivables, Net Property, plant and equipment - net Property, Plant and Equipment, Net Goodwill Goodwill Other intangible assets - net Intangible Assets, Net (Excluding Goodwill) Insurance recoveries for asbestos related liabilities Loss Contingency, Receivable, Noncurrent Deferred income taxes Deferred Tax Assets, Net, Noncurrent Other assets Other Assets, Noncurrent Total assets Assets LIABILITIES Liabilities [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Commercial paper and other short-term borrowings Short-term Debt Current maturities of long-term debt Accrued liabilities Accrued Liabilities, Current Total current liabilities Liabilities, Current Long-term debt Deferred income taxes Deferred Tax Liabilities, Net, Noncurrent Postretirement benefit obligations other than pensions Liability, Other Postretirement Defined Benefit Plan, Noncurrent Asbestos related liabilities Loss Contingency, Accrual, Noncurrent Other liabilities Other Liabilities, Noncurrent Redeemable noncontrolling interest Redeemable Noncontrolling Interest, Equity, Common, Carrying Amount SHAREOWNERS' EQUITY Stockholders' Equity Attributable to Parent [Abstract] Capital - common stock issued Common Stock, Value, Issued Capital - additional paid in capital Additional Paid in Capital, Common Stock Common stock held in treasury, at cost Treasury Stock, Value Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Retained earnings Retained Earnings (Accumulated Deficit) Total Honeywell shareowners' equity Stockholders' Equity Attributable to Parent Noncontrolling interest Stockholders' Equity Attributable to Noncontrolling Interest Total shareowners' equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total liabilities, redeemable noncontrolling interest, and shareowners' equity Liabilities and Equity Asbestos Related Liabilities [Member] Asbestos Related Liabilities [Member] Asbestos related liabilities Loss Contingency, Narco and Bendix Asbestos Related Balances by Balance Sheet Caption [Line Items] Loss Contingencies [Line Items] Other current assets Loss Contingency, Receivable, Current Total assets Loss Contingency, Receivable Accrued liabilities Loss Contingency, Accrual, Current Total liabilities Loss Contingency Accrual Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Operating Leases Operating Lease Liabilities, Payments Due [Abstract] 2019 Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year 2020 Lessee, Operating Lease, Liability, Payments, Due Year Two 2021 Lessee, Operating Lease, Liability, Payments, Due Year Three 2022 Lessee, Operating Lease, Liability, Payments, Due Year Four 2023 Lessee, Operating Lease, Liability, Payments, Due Year Five Thereafter Lessee, Operating Lease, Liability, Payments, Due after Year Five Total lease payments Lessee, Operating Lease, Liability, Payments, Due Less: interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Total Operating Lease, Liability Financing Leases Finance Lease Liabilities, Payments, Due [Abstract] 2019 Finance Lease, Liability, Payments, Remainder of Fiscal Year 2020 Finance Lease, Liability, Payments, Due Year Two 2021 Finance Lease, Liability, Payments, Due Year Three 2022 Finance Lease, Liability, Payments, Due Year Four 2023 Finance Lease, Liability, Payments, Due Year Five Thereafter Finance Lease, Liability, Payments, Due after Year Five Total lease payments Finance Lease, Liability, Payments, Due Less: Interest Finance Lease, Liability, Undiscounted Excess Amount Total Finance Lease, Liability Operating Leases, Future Minimum Payments Due Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] 2019 Operating Leases, Future Minimum Payments, Remainder of Fiscal Year 2020 Operating Leases, Future Minimum Payments, Due in Two Years 2021 Operating Leases, Future Minimum Payments, Due in Three Years 2022 Operating Leases, Future Minimum Payments, Due in Four Years 2023 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total Operating Leases, Future Minimum Payments Due Narco Asbestos Loss Contingency Liability [Member] Narco Asbestos Loss Contingency Liability [Member] Narco asbestos loss contingency liability Loss Contingency By Nature Of Contingency 1 [Line Items] Loss Contingency By Nature Of Contingency 1 [Line Items] Loss Contingency Accrual [Roll Forward] Loss Contingency Accrual [Roll Forward] Asbestos Related Liabilities, Beginning of Period Accrual for update to estimated liability Loss Contingency Accrual, Provision Asbestos related liability payments Loss Contingency Accrual, Payments Asbestos Related Liabilities, End of Period Asbestos Related Liabilities Insurance Recoveries [Line Items] Asbestos Related Liabilities Insurance Recoveries [Abstract] Listing of asbestos related liabilities, insurance recoveries​ Insurance Recoveries, beginning of period Insurance receipts for asbestos related liabilities Loss Contingency, Receivable, Proceeds Insurance receivables settlements Loss Contingency Related Receivable Settlements And Writeoffs Insurance receivables settlements and write-offs Insurance recoveries, end of period Fair Value, by Balance Sheet Grouping [Table] Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Carrying Value [Member] Reported Value Measurement [Member] Estimated Fair Value [Member] Estimate of Fair Value Measurement [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Long-term receivables Loans Receivable, Fair Value Disclosure Long-term Debt Long-term debt and related current maturities Accounting Policies [Abstract] Summary of Significant Accounting Policies [Text Block] Significant Accounting Policies [Text Block] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Statement [Table] Statement [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Foreign Exchange Translation Adjustment [Member] Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Pension and Other Postretirement Benefits Adjustments [Member] Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Changes in Fair Value of Cash Flow Hedges [Member] Other Comprehensive Income Loss Derivatives Qualifying As Hedges [Member] AOCI Attributable to Parent [Member] AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Income Loss [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Balance at beginning of period Other comprehensive income (loss) before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Amounts reclassified from accumulated other comprehensive income Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Net current period other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Balance at end of period Loss Contingencies [Table] Resideo [Member] Resideo [Member] Resideo [Member] Garrett [Member] Garrett [Member] Garrett [Member] Environmental Liabilities [Member] Environmental Liabilities [Member] Environmental Liabilities [Member] Loss Contingencies [Line Items] Spinoff Indemnification Agreement Description Spinoff Indemnification Agreement Description Description of indemnification agreement with spinoff entity. Reimbursements From Indemnification Agreement Reimbursements From Indemnification Agreement Amounts received by Honeywell from spin-off entity as defined in indemnification agreement. Reimbursement Receivable Indemnification Agreement Reimbursement Receivable Indemnification Agreement Amounts due to (from) Honeywell/Spin-off entity from indemnification agreement Indemnity Receivable Recorded In Other Current Assets Indemnity Receivable Recorded In Other Current Assets Amount of indemnification receivable recorded in Other Current Assets Indemnity Receivable Recorded In Other Assets Indemnity Receivable Recorded In Other Assets Amount of indemnification receivable recorded in Other Assets Cover page. Document type Document Type Document Quarterly Report Document Quarterly Report Document period end date Document Period End Date Document Transition Report Document Transition Report Entity File Number Entity File Number Entity registrant name Entity Registrant Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line One Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Entity Listings [Table] Entity Listings [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Common Stock [Member] Common Stock [Member] 0.650% Senior Notes due 2020 [Member] 1.300% Senior Notes due 2023 [Member] 2.250% Senior Notes due 2028 [Member] Entity Listings [Line Items] Entity Listings [Line Items] Title of 12(b) Security Title of 12(b) Security Trading Symbol Trading Symbol NEW YORK STOCK EXCHANGE Security Exchange Name Entity current reporting status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity filer category Entity Filer Category Document Fiscal Year Focus Document Fiscal Year Focus Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Shell Company Entity Shell Company Entity common stock shares outstanding Entity Common Stock, Shares Outstanding Document Fiscal Period Focus Document Fiscal Period Focus Current fiscal year end date Current Fiscal Year End Date Amendment flag Amendment Flag Entity central index key Entity Central Index Key Retirement Benefits [Abstract] Schedule of Defined Benefit Plans Disclosures [Table] United States, Defined Benefit [Member] UNITED STATES Non-US, Defined Benefit [Member] Foreign Plan [Member] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Payments for Repurchase of Common Stock Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Amortization of prior service (credit) Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Net periodic benefit (income) Operating lease cost Operating Lease, Cost Variable lease cost Variable Lease, Cost Short-term lease cost Short-term Lease, Cost Amortization of right-of-use assets Finance Lease, Right-of-Use Asset, Amortization Interest on lease liability Finance Lease, Interest Expense Total financing lease cost Total Financing Lease Cost Total Financing Lease Cost Total lease cost Lease, Cost Defined Benefit Plans Disclosure Schedule of Defined Benefit Plans Disclosures [Table Text Block] Inventories Schedule of Inventory, Current [Table Text Block] Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated as Hedging Instrument [Member] Designated as Hedging Instrument [Member] Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Euro denominated long-term debt [Member] Net Investment Euro Denominated Longterm Debt [Member] Net Investment Euro Denominated Longterm Debt [Member] Net Investment Euro Denominated Commercial Paper [Member] Net Investment Euro Denominated Commercial Paper [Member] Net Investment Euro Denominated Commercial Paper [Member] Net Investment Cross Currency Swap [Member] Net Investment Cross Currency Swap [Member] Net Investment Cross Currency Swap [Member] Gain or (loss) on cash flow hedges [Member] Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Gain or (loss) on fair value hedges Accumulated Net Gain Loss From Designated Or Qualifying Fair Value Hedges [Member] Accumulated Net Gain Loss From Designated Or Qualifying Fair Value Hedges [Member] Interest Rate Swap [Member] Interest Rate Swap [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Revenue [Member] Sales [Member] Cost of Products Sold [Member] Cost of Sales [Member] SG&A [Member] Selling, General and Administrative Expenses [Member] Other (income) Expense [Member] Other Operating Income (Expense) [Member] Interest and Other Financial Charges [Member] InterestAndOtherFinancialCharges [Member] Interest And Other Financial Charges [Member] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] 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Reclassification and Tax Statement of Comprehensive Income [Abstract] Other comprehensive income (loss), net of tax Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Foreign exchange translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Actuarial (gains) losses recognized Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax Prior service (credit) cost recognized Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax Pension and other postretirement benefits adjustments Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Cash flow hedges recognized in other comprehensive income (loss) Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Less: 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Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items] Pretax Impact Of Total Net Repositioning And Other Charges By Segment [Line Items] Listing of pretax impact of net repositioning and other chargers details by segment Total net repositioning charges Accounts Receivable - Net Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Weighted average shares outstanding Weighted Average Number of Shares Outstanding, Basic Earnings per share of common stock - basic (in dollars per share) Earnings Per Share, Basic Assuming dilution Earnings Per Share, Diluted [Abstract] Average shares Weighted Average Number of Shares Outstanding, Diluted [Abstract] Dilutive securities issuable - stock plans Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Total weighted average shares outstanding Weighted Average Number of Shares Outstanding, Diluted Earnings per share of common stock - assuming dilution (in dollars per share) Earnings Per Share, Diluted Earnings Per Share Paragraph Details [Abstract] Earnings Per Share Paragraph Details [Abstract] Stock options excluded from diluted computations Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Shares outstanding Common Stock, Shares, Outstanding Common Stock Shares Issued Common Stock, Shares, Issued 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 Cost of products and services sold [Member] Selling, general and administrative expenses [Member] Other (income) expense Other Operating And Nonoperating Income Expense [Member] Pretax Distribution Of Total Net Repositioning And Other Charges By Income Statement Classification [Line Items] Pretax Distribution Of Total Net Repositioning And Other Charges By Income Statement Classification [Line Items] Cash paid for amounts included in the measurement of lease liabilities: Cash Paid For Amounts Included In The Measurement Of Lease Liabilities [Abstract] Cash Paid For Amounts Included In The Measurement Of Lease Liabilities [Abstract] Operating cash flows from operating leases Operating Lease, Payments Operating cash flows from finance leases Finance Lease, Interest Payment on Liability Financing cash flows from finance leases Finance Lease, Principal Payments 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] Operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Finance leases Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Income Tax Disclosure [Abstract] Income Tax Disclosure [Text Block] Income Tax Disclosure [Text Block] Revenue from Contract with Customer [Text Block] Revenue from Contract with Customer [Text Block] Segment Financial Data Schedule of Segment Reporting Information, by Segment [Table Text Block] Reconciliation of Operating Profit Loss From Segments to Consolidated Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Segment Financial Data Segment Reporting Disclosure [Text Block] Other Income And Expenses [Table] Other Income And Expenses [Table] Pension Plans, Defined Benefit [Member] Other Postretirement Benefits Plans, Defined Benefit [Member] Other Income and Expenses [Line Items] Other Income and Expenses [Line Items] Interest Income Investment Income, Interest Ongoing income - non-service Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component Equity income of affiliated companies Income (Loss) from Equity Method Investments Loss (gain) on sale of non-strategic business and assets GainLossOnSaleOfNonstrategicBusinessesAndAssets The difference between the value of the consideration received by the Entity on the sale or disposal and net book value of assets sold or disposed, before any tax related impact. Foreign exchange Foreign Currency Transaction Gain (Loss), before Tax Separation Costs Separation Costs Separation costs related to spin-offs. Other, net Other Operating And Nonoperating Expense (Income) Amount of expense related to operating and nonoperating activities, classified as other. 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net Finance Lease, Right-of-Use Asset Current maturities of long-term debt Finance Lease, Liability, Current Long-term debt Finance Lease, Liability, Noncurrent Total financing lease liability Operating Lease, Weighted Average Remaining Lease Term Operating Lease, Weighted Average Remaining Lease Term Finance Lease, Weighted Average Remaining Lease Term Finance Lease, Weighted Average Remaining Lease Term Lease, Cost [Abstract] Lease, Cost [Abstract] Operating Lease, Weighted Average Discount Rate, Percent Operating Lease, Weighted Average Discount Rate, Percent Finance Lease, Weighted Average Discount Rate, Percent Finance Lease, Weighted Average Discount Rate, Percent Resolution Values Per Claim [Line Items] Resolution Values Per Claim [Line Items] Malignant claims Resolution Values Of Malignant Claims Average resolution value per malignant claims made against the entity based on total cost of settlement divided by the total number of malignant claims Nonmalignant claims Resolution Values Of Non Malignant Claims 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 Accumulated Other Comprehensive Income (Loss) Comprehensive Income (Loss) Note [Text Block] Change in Contract with Customer, Asset and Liability [Abstract] Change in Contract with Customer, Asset and Liability [Abstract] Contract Assets Contract with Customer, Asset, Net Change in Contract Assets - Increase (Decrease) Contract with Customer, Asset, Reclassified to Receivable Contract Liabilities Contract with Customer, Liability Change in Contract Liabilities - (Increase) Decrease Contract with Customer, Liability, Change in Timeframe, Performance Obligation Satisfied, Revenue Recognized Net Change Contract With Customer Assets And Liabilities Net Change Amount of increase (decrease) in net contract assets and liabilities Contract liability, revenue recognized Contract with Customer, Liability, Revenue Recognized Reclassifications Reclassification, Policy [Policy Text Block] Leases Lessee, Leases [Policy Text Block] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Component of Operating Other Cost and Expense [Abstract] Component of Operating Other Cost and Expense [Abstract] Total net repositioning charge Restructuring and Related Cost, Incurred Cost Asbestos related litigation charges, net of insurance and indemnities Asbestos Related Litigation Charges Net Of Insurance Asbestos related litigation charges, net of insurance Probable and reasonably estimable environmental liabilities, net of indemnities Other Restructuring Reserve, Translation and Other Adjustment Total net repositioning and other charges Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Long-term Debt [Member] Long-term Debt [Member] Carrying Amount of the Hedged Item Hedged Liability, Fair Value Hedge Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Item Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease) Repositioning And Other Charges 4 Details [Abstract] Net Repositioning And Other Charges [Line Items] Net Repositioning And Other Charges [Line Items] Restructuring and Related Cost, Incurred Cost Net repositioning and other charges Paragraph Details [Abstract] Net repositioning and other charges Paragraph Details [Abstract] Gross Repositioning Charge Gross Repositioning Charge Sum of severance, asset impairments, and gross repositioning charges. Number of employees severed Restructuring and Related Cost, Number of Positions Eliminated Loss Contingency Disease Distribution Of Unresolved Claims [Line Items] Loss Contingency Disease Distribution Of Unresolved Claims [Line Items] Mesothelioma and other cancer claims Disease Distribution Mesothelioma And Other Cancer Claims Mesothelioma and Other Cancer Claims Nonmalignant claims Other Claims Other disease of unresolved claims Total claims Earnings Per Share Earnings Per Share [Text Block] Lease, Cost [Table Text Block] Lease, Cost [Table Text Block] Finance Lease, Liability, Maturity [Table Text Block] Finance Lease, Liability, Maturity [Table Text Block] Lessee, Operating Lease, Liability, Maturity [Table Text Block] Lessee, Operating Lease, Liability, Maturity [Table Text Block] Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Disaggregation of Revenue [Table Text Block] Disaggregation of Revenue [Table Text Block] Contract with Customer Asset and Liability [Table Text Block] Contract with Customer, Asset and Liability [Table Text Block] Revenue Remaining Performance Obligation Expected Timing of Satisfaction [Table Text Block] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Statement [Line Items] Statement [Line Items] Consolidated Statement of Operations Income Statement [Abstract] Costs, expenses and other Costs and Expenses [Abstract] Selling, general and administrative expenses Cost, operating and non-operating expenses Costs And Operating And Nonoperating Expenses Total cost of sales, operating, and non-operating expenses. Income before taxes Tax expense Income Tax Expense (Benefit) Net income Net income attributable to Honeywell Organization, Consolidation and Presentation of Financial Statements [Abstract] Basis of Presentation [Text Block] Basis of Accounting [Text Block] Long-Term Debt Schedule of Long-term Debt Instruments [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Number of Operating Segments Number of Operating Segments Pre-bankruptcy NARCO Liability [Member] Prebankruptcy Narco Liability [Member] NARCO Trust Liability [Member] Narco Trust Liability [Member] Other NARCO bankruptcy-related obligations [Member] Other Narco Bankruptcy Related Obligations [Member] Loss Contingency By Nature Of Contingency [Line Items] Loss Contingency By Nature Of Contingency [Line Items] Change in NARCO Trust liability. Loss Contingency Increase Decrease In Narco Trust Liability Change in NARCO Trust liability. Settlement Payments Settlement Payments Value of payments for approved claims pursuant to settlement agreements reached during the pendency of the NARCO bankruptcy proceedings. Estimated Liability Loss Contingency, Estimate of Possible Loss Annual Trust Cap Annual Trust Cap Amount of annual cap on NARCO Trust Exceptions To Cap [Abstract] Exceptions To Cap [Abstract] Value Not Included In Cap Value Not Included In Cap The first $100 million of claims processed through the Trust will not count against the first year annual cap and any unused portion will rollover to subsequent years. Loss Contingency, Receivable Statement of Stockholders' Equity [Abstract] Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Treasury Stock [Member] Treasury Stock [Member] Retained Earnings [Member] Retained Earnings [Member] Noncontrolling Interest [Member] Noncontrolling Interest [Member] Common Stock, Shares, Issued, Beginning Balance 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. Stock Issued During Period Shares For Employee Savings And Option Plans Stock Issued During Period Shares For Employee Savings And Option Plans Number of shares of stock issued during the period for employee savings and option plans. Stock-based compensation expense Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Treasury Stock, Shares beginning balance Treasury Stock, Shares Reacquired stock or repurchases of common stock Treasury Stock, Value, Acquired, Cost Method Reacquired stock or repurchases of common stock, shares Treasury Stock, Shares, Acquired Treasury Stock, Shares ending balance Adoption of new accounting standards Cumulative Effect of New Accounting Principle in Period of Adoption Acquisitions, divestitures, and other Noncontrolling Interest Increase Decrease From Acquistions Divestitures And Other Transactions Amount of increase (decrease) in noncontrolling interest from acquisitions, divestitures, and other transactions. Dividends on common stock Dividends, Common Stock, Cash Pension and other postretirement benefits adjustments Changes in fair value of cash flow hedges Net Income attributable to noncontrolling interest Dividends Paid Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Cash dividends per share of common stock Common Stock, Dividends, Per Share, Cash Paid Common Stock, Shares, Issued, Ending Balance