Total shareowners' equity Balance at beginning of period Balance at end of period Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Proceeds from issuance of common stock Proceeds from Issuance or Sale of Equity Other (Income) expense [Text Block] Other Income and Other Expense Disclosure [Text Block] Discount and closing costs related to the offering Payments of Debt Issuance Costs Claims unresolved at the beginning of period Claims unresolved at the end of period Total claims Loss Contingency, Pending Claims, Number 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. Oaktree And Centerbridge Coordination Agreement [Member] Oaktree And Centerbridge Coordination Agreement [Member] Alternative proposal Property, plant and equipment - net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset. Specialty Products [Member] Specialty Products [Member] Stock-based compensation expense APIC, Share-based Payment Arrangement, Increase for Cost Recognition Segment Reconciling Items [Member] Segment Reconciling Items [Member] Change in NARCO Trust liability. Loss Contingency Increase Decrease In Narco Trust Liability Change in NARCO Trust liability. Contract liability, revenue recognized Contract with Customer, Liability, Revenue Recognized Total current liabilities Liabilities, Current Indemnification And Reimbursement Agreement Schedule Of Indemnification And Reimbursement Agreement [Table Text Block] Schedule Of Indemnification And Reimbursement Agreement Gain (loss) on interest rate swap agreements Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments Loss Contingency Claims [Abstract] Loss Contingency Claims [Abstract] Interest cost Defined Benefit Plan, Interest Cost Other Income and Expenses [Line Items] Other Income and Expenses [Line Items] Other current assets Increase (Decrease) in Other Current Assets Reimbursement receivables charge Increase (Decrease) in Other Noncurrent Assets Treasury Stock, Shares beginning balance Treasury Stock, Shares ending balance Treasury Stock, Shares 3.35% notes due 2023 [Member] Notes 3.35% due 2023 [Member] Indemnification and reimbursement agreement annual cap Indemnification And Reimbursement Agreement Annual Cap Annual cap of amount payable to Honeywell under the indemnification and reimbursement agreement. Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Cost of products and services sold Cost of Goods and Services Sold Pension ongoing income Net periodic benefit (income) Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Current fiscal year end date Current Fiscal Year End Date Foreign currency translation Restructuring Reserve, Foreign Currency Translation Gain (Loss) Type of Restructuring [Domain] Type of Restructuring [Domain] Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Amount reclassified from accumulated other comprehensive income into income Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Total weighted average shares outstanding Weighted Average Number of Shares Outstanding, Diluted Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Listings [Line Items] Entity Listings [Line Items] Proceeds from issuance of long-term debt Proceeds from Issuance of Long-term Debt and Capital Securities, Net Carrying Value [Member] Reported Value Measurement [Member] 1.95% notes due 2030 [Member] Notes 1.95% Due 2030 [Member] Notes 1.95% Due 2030 Reconciliation of Operating Profit Loss From Segments to Consolidated Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Term Loan Agreement [Member] Term Loan Agreement [Member] Term Loan Agreement [Member] Redeemable noncontrolling interest Redeemable Noncontrolling Interest, Equity, Common, Carrying Amount Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Item Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease) Property, plant and equipment - net Property, Plant and Equipment, Net Reimbursement Receivables Charge Reimbursement Receivables Charge Adjustment of the carrying value of the receivables from an undiscounted to discounted basis Settlement payments Settlement Payments1 Value of payments for approved claims pursuant to settlement agreements reached during the pendency of the NARCO bankruptcy proceedings. AOCI Attributable to Parent [Member] AOCI Attributable to Parent [Member] Total assets Assets Foreign currency exchange contracts [Member] Foreign Exchange Contract [Member] Entity Shell Company Entity Shell Company Total operating lease liabilities Operating Lease, Liability Cover [Abstract] Cover [Abstract] Document type Document Type Debt, Weighted Average Interest Rate Debt, Weighted Average Interest Rate Asbestos Related Liabilities Insurance Recoveries [Line Items] Asbestos Related Liabilities Insurance Recoveries [Abstract] Listing of asbestos related liabilities, insurance recoveries​ Carrying Amount of the Hedged Item Hedged Liability, Fair Value Hedge Loss Contingency, Narco and Bendix Asbestos Related Balances by Balance Sheet Caption [Line Items] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Component of Operating Other Cost and Expense [Abstract] Component of Operating Other Cost and Expense [Abstract] Change In Accounting Principle Other [Member] Change In Accounting Principle Other [Member] Change in accounting principle, classified as other. Excludes change from amendment to accounting standards. Scenario [Domain] Scenario [Domain] Reacquired stock or repurchases of common stock, shares Treasury Stock, Shares, Acquired Non-US, Defined Benefit [Member] Foreign Plan [Member] Revenue, Performance Obligation [Abstract] Revenue, Performance Obligation [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Mesothelioma and other cancer claims Disease Distribution Mesothelioma And Other Cancer Claims Mesothelioma and Other Cancer Claims Loss Contingency, Classification of Accrual [Abstract] Loss Contingency, Classification of Accrual [Abstract] Current liabilities: Liabilities, Current [Abstract] Operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Credit Facility [Axis] Credit Facility [Axis] Current maturities of long-term debt Finance Lease, Liability, Current Commercial Aviation Aftermarket [Member] Commercial Aviation Aftermarket [Member] Payment Over Time [Member] Payment Over Time [Member] Payments over twelve-year period ended December 31, 2034 upon approval of Plan Performance obligation, amount Revenue, Remaining Performance Obligation, Amount Segment Financial Data Segment Reporting Disclosure [Text Block] Line of credit facility, remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Proceeds from issuance of commercial paper and other short-term borrowings Proceeds from Short-term Debt Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Document Quarterly Report Document Quarterly Report Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] 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 Debt Instrument [Line Items] Debt Instrument [Line Items] Class of Stock [Domain] Class of Stock [Domain] Consolidation Items [Domain] Consolidation Items [Domain] Finance leases Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Gross Repositioning Charge Gross Repositioning Charge Sum of severance, asset impairments, and gross repositioning charges. Current Stockholders Common Stock Co-investment Amount Current Stockholders Common Stock Coinvestment Amount Amount available for current stockholders to co-invest in the purchase of common stock of a new company to be organized under the agreement as approved by Bankruptcy Court. Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Entity File Number Entity File Number 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 Garrett Bankruptcy Proposals [Axis] Garrett Bankruptcy Proposals [Axis] Garrett Bankruptcy Proposals Senior Notes Senior Notes Basis of Presentation [Text Block] Basis of Accounting [Text Block] Other Proceeds from (Payments for) Other Financing Activities Treasury Stock [Member] Treasury Stock [Member] Segments [Axis] Segments [Axis] Document Fiscal Period Focus Document Fiscal Period Focus Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent 0.000% Senior Notes due 2024 [Member] 0.00% Euro notes due 2024 [Member] Euro 00 Term Loan Due 2024 [Member] Euro 0.000% Senior Note Due 2024 [Member] Change in Contract Assets - Increase (Decrease) Contract with Customer, Asset, Reclassified to Receivable Retirement Plan Type [Axis] Retirement Plan Type [Axis] Common stock held in treasury, at cost Treasury Stock, Value Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Product and Service [Domain] Product and Service [Domain] Restructuring Reserve [Line Items] Restructuring Reserve Disclosures [Abstract] Assuming dilution Earnings Per Share, Diluted [Abstract] Asbestos related litigation charges, net of insurance and reimbursements Asbestos Related Litigation Charges Net Of Insurance Asbestos related litigation charges, net of insurance Total net repositioning charge Restructuring and Related Cost, Incurred Cost Restructuring and Related Cost, Incurred Cost Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Goodwill Goodwill 5.70% notes due 2036 [Member] Notes 5.70% due 2036 [Member] 5.70% notes due 2036 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 Measurement Frequency [Domain] Measurement Frequency [Domain] Segments [Domain] Segments [Domain] Statement [Line Items] Statement [Line Items] Gain or (loss) on net investment hedges recognized in Accumulated other comprehensive income (loss) Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax Hedging Designation [Domain] Hedging Designation [Domain] Line of credit facility, borrowing capacity of prior agreement Line Of Credit Facility Borrowing Capacity Of Prior Agreement The amount of borrowing capacity that was available under the prior credit facility agreement. Net Sales Revenue Revenue from Contract with Customer, Excluding Assessed Tax Disaggregation of Revenue [Table Text Block] Disaggregation of Revenue [Table Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Earnings per share of common stock - basic (in dollars per share) Earnings Per Share, Basic Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Inventories Inventory Disclosure [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] Repositioning and other charges Restructuring and Related Costs [Table Text Block] Syndicate Of Banks [Member] Syndicate Of Banks [Member] Comprehensive income attributable to Honeywell Comprehensive Income (Loss), Net of Tax, Attributable to Parent 1.35% notes due 2025 [Member] Notes 1.35% Due 2025 [Member] Notes 1.35% Due 2025 Insurance Recoveries, beginning of period Insurance recoveries, end of period Total assets Loss Contingency, Receivable Loss Contingency, Receivable Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Amendment flag Amendment Flag Transferred At Point In Time [Member] Transferred at Point in Time [Member] Probable and reasonably estimable environmental liabilities, net of reimbursements Environmental Remediation Expense Shares outstanding Common Stock, Shares, Outstanding Changes in assets and liabilities, net of the effects of acquisitions and divestitures: Increase (Decrease) in Operating Capital [Abstract] Amortization Amortization Indemnification And Reimbursement Agreement [Axis] Indemnification And Reimbursement Agreement [Axis] Indemnification And Reimbursement Agreement Average shares Weighted Average Number of Shares Outstanding, Diluted [Abstract] Consolidation Items [Axis] Consolidation Items [Axis] Products [Member] Building Products [Member] Indemnification And Reimbursement [Domain] Indemnification And Reimbursement [Domain] Indemnification And Reimbursement Class of Stock [Axis] Class of Stock [Axis] 2.30% notes due 2024 [Member] Notes 2.30% Due 2024 [Member] Notes 2.30% Due 2024 Equity income of affiliated companies Income (Loss) from Equity Method Investments Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Process Solutions [Member] Process Solutions [Member] Local Phone Number Local Phone Number 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] Honeywell Building Technologies Home And Building Technologies [Member] Loss Contingency Disease Distribution Of Unresolved Claims [Line Items] Loss Contingency Disease Distribution Of Unresolved Claims [Line Items] Accrued liabilities Increase (Decrease) in Accrued Liabilities The 2020 Euro Notes [Member] The 2020 Euro Notes [Member] The 2020 Euro Notes [Member] 1.85% notes due 2021 [Member] Notes 1.85% Due 2021 [Member] 1.85% Notes due 2021 Accounts receivable - net Accounts receivable, Net Accounts Receivable, after Allowance for Credit Loss, Current Finished products Inventory, Finished Goods, Net of Reserves Work in process Inventory, Work in Process, Net of Reserves Inventory, Gross Inventory, Gross Other comprehensive income (loss), net of tax Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Less: Comprehensive income attributable to the noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Pension and other postretirement benefit adjustments Pension and other postretirement benefit adjustments Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Number of employees severed Restructuring and Related Cost, Number of Positions Eliminated Total current assets Assets, Current Entity current reporting status Entity Current Reporting Status Severance Employee Severance [Member] Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Net income attributable to Honeywell Net income attributable to Honeywell Net Income (Loss) Attributable to Parent Current assets: Assets, Current [Abstract] Common Stock [Member] Common Stock [Member] 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 Revenue Performance Obligation Description of Payment Terms Revenue, Performance Obligation, Description of Payment Terms Leases [Abstract] Leases [Abstract] Reimbursement Receivables Reimbursement Receivables Amounts owned to Honeywell under the Indemnification and Reimbursement Agreement, Gross Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Reserve adjustments Restructuring Reserve Accrual Adjustments [Member] Restructuring Reserve Accrual Adjustments Loss Contingency Claims [Line Items] Loss Contingency Claims [Line Items] UOP [Member] UOP [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Net Repositioning And Other Charges [Line Items] Net Repositioning And Other Charges [Line Items] Product and Service [Axis] Product and Service [Axis] Entity Small Business Entity Small Business Scenario [Axis] Scenario [Axis] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Earnings per share diluted Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table Text Block] Increase in investments Payments to Acquire Investments Percentage of LIFO Inventory Percentage of LIFO Inventory Entity filer category Entity Filer Category Cross currency swap agreements [Member] Currency Swap [Member] Stock compensation expense Share-based Payment Arrangement, Expense Corporate Corporate, Non-Segment [Member] Interest Rate Swap [Member] Interest Rate Swap [Member] Total liabilities, redeemable noncontrolling interest, and shareowners' equity Liabilities and Equity Entity Address, City or Town Entity Address, City or Town 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. Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Selling, general and administrative expenses [Member] SG&A [Member] Selling, General and Administrative Expenses [Member] Changes in Fair Value of Cash Flow Hedges [Member] Other Comprehensive Income Loss Derivatives Qualifying As Hedges [Member] Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] Accrued liabilities Loss Contingency, Accrual, Current Other Income And Expenses [Table] Other Income And Expenses [Table] Insurance receivables settlements Loss Contingency Related Receivable Settlements And Writeoffs Insurance receivables settlements and write-offs Loss Contingencies [Table] Loss Contingencies [Table] Other liabilities Operating Lease, Liability, Noncurrent Commercial paper and other short-term borrowings Short-term Debt Indemnification and reimbursement agreement minimum amount Indemnification And Reimbursement Agreement Minimum Amount The amounts payable to Honeywell under the indemnification and reimbursement agreement will continue until the earlier of December 31, 2043, or December 31 of the third consecutive year under with the annual payment obligation has been less than $25 million. Adjustments for Change in Accounting Principle [Domain] Adjustments for Change in Accounting Principle [Domain] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Line of credit facility, current borrowing capacity Line of Credit Facility, Current Borrowing Capacity 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. SHAREOWNERS' EQUITY Stockholders' Equity Attributable to Parent [Abstract] Document Fiscal Year Focus Document Fiscal Year Focus Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Financial assets and liabilities that were not carried at fair value Fair Value, by Balance Sheet Grouping [Table Text Block] Pension Benefits Pension and Other Postretirement Benefits Disclosure [Text Block] Aerospace Aerospace [Member] Aerospace 2.50% notes due 2026 [Member] Notes 2.50% due 2026 [Member] 2.50% notes due 2026. Cost, operating and non-operating expenses Costs And Operating And Nonoperating Expenses Total cost of sales, operating, and non-operating expenses. Retirement Benefits, Description [Abstract] Retirement Benefits, Description [Abstract] Fair Value Measurements Recurring [Member] Fair Value, Recurring [Member] Original Due Date Of Reimbursement [Axis] Original Due Date Of Reimbursement [Axis] Original Due Date Of Reimbursement Less - Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Defense and Space [Member] Defense Services [Member] Dividends on common stock Dividends, Common Stock, Cash 0.483% notes due 2022 [Member] Notes 483 Due 2022 [Member] Notes 483 Due 2022 Other (income) expense Other Nonoperating Income (Expense) Industrial development bond Industrial Development Bond Industrial development bond Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Estimated Liability Estimated liability Loss Contingency, Estimate of Possible Loss Costs, expenses and other Costs and Expenses [Abstract] Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Less: Net income attributable to the noncontrolling interest Net Income attributable to noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest Current maturities of long-term debt Less current portion Long-term Debt and Lease Obligation, Current Postretirement benefit obligations other than pensions Liability, Other Postretirement Defined Benefit Plan, Noncurrent Annual Trust Cap Annual Trust Cap Amount of annual cap on NARCO Trust Line of Credit Facility [Table] Line of Credit Facility [Table] Initial Payment [Member] Initial Payment [Member] Initial cash payment upon approval of Plan Retained Earnings [Member] Retained Earnings [Member] Transferred Over Time [Member] Transferred over Time [Member] New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Lessee, Operating Leases [Text Block] Lessee, Operating Leases [Text Block] Loss Contingency By Nature Of Contingency [Line Items] Loss Contingency By Nature Of Contingency [Line Items] Segment Financial Data 2 Details [Abstract] Segment Financial Data 2 Details [Abstract] LIABILITIES Liabilities [Abstract] Document period end date Document Period End Date Other current assets Other Assets, Current Statement [Table] Statement [Table] Other net Other Operating And Nonoperating Expense (Income) Amount of expense related to operating and nonoperating activities, classified as other. Entity registrant name Entity Registrant Name Investments and long-term receivables Long-term Investments and Receivables, Net NARCO Trust Liability [Member] Narco Trust Liability [Member] Adjustments for Change in Accounting Principle [Axis] Adjustments for Change in Accounting Principle [Axis] Contract Liabilities Contract with Customer, Liability Cash Received By Honeywell Cash Received By Honeywell Amount of cash to be received by Honeywell upon approval of the coordination agreement under the alternative proposal. Services [Member] Services [Member] 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] Exceptions To Cap [Abstract] Exceptions To Cap [Abstract] 2.15% notes due 2022 [Member] Notes 215 Due 2022 [Member] 2.15% notes due 2022 Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] 0.750% Senior Notes due 2032 [Member] 0.750% Euro notes due 2032 [Member] Euro 75 Term Loan Due 2032 [Member] Euro .750 Term Loan Due 2032 [Member] 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 Maximum [Member] Maximum [Member] Accounts Receivable - Net Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Service cost Defined Benefit Plan, Service Cost Designated as Hedging Instrument [Member] Designated as Hedging Instrument [Member] Receivables [Abstract] Receivables [Abstract] Environmental Liabilities [Member] Environmental Liabilities [Member] Environmental Liabilities [Member] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract] Malignant claims Resolution Values of Malignant Claims1 Average resolution value per malignant claims made against the entity based on total cost of settlement divided by the total number of malignant claims. 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. Prior service (credit) cost recognized Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax Available for sale investments Debt Securities, Available-for-sale Accounts Receivable, after Allowance for Credit Loss, Current [Abstract] Accounts Receivable, after Allowance for Credit Loss, Current [Abstract] Change in Contract Liabilities - (Increase) Decrease Contract with Customer, Liability, Change in Timeframe, Performance Obligation Satisfied, Revenue Recognized Schedule of Accounts Receivables Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Retained earnings Retained Earnings (Accumulated Deficit) Repurchases of common stock Payments for Repurchase of Common Stock Payments for Repurchase of Common Stock Revenue [Member] Sales [Member] Entity Tax Identification Number Entity Tax Identification Number Timing Of Payments [Domain] Timing Of Payments [Domain] Timing Of Payments Interest and other financial charges Interest and other financial charges Interest and Debt Expense Debt Instrument, Face Amount Debt Instrument, Face Amount Earnings per share of common stock - assuming dilution (in dollars per share) Earnings Per Share, Diluted Garrett Bankruptcy Proposals [Domain] Garrett Bankruptcy Proposals [Domain] Garrett Bankruptcy Proposals Trading Symbol Trading Symbol Minimum [Member] Minimum [Member] 9.065% debentures due 2033 [Member] Debentures 9.065% due 2033 [Member] 9.065% debentures due 2033 Noncontrolling interest Stockholders' Equity Attributable to Noncontrolling Interest Euro denominated long-term debt [Member] Net Investment Euro Denominated Longterm Debt [Member] Net Investment Euro Denominated Longterm Debt [Member] Loss Contingency By Nature Of Contingency 1 [Line Items] Loss Contingency By Nature Of Contingency 1 [Line Items] 2.70% notes due 2029 [Member] Notes 270 Due 2029 [Member] 2.70% notes due 2029 [Member] Asbestos related liability payments Loss Contingency Accrual, Payments Original Due Date April 30, 2020 [Member] Original Due Date April 30 2020 [Member] Original Due Date April 30 2020 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 Foreign exchange translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Raw materials Inventory, Raw Materials, Net of Reserves Restructuring Type [Axis] Restructuring Type [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Greater Than One Year [Member] Greater Than One Year [Member] Adjustments Restructuring Reserve, Accrual Adjustment Statistical Measurement [Domain] Statistical Measurement [Domain] Long-term debt Finance Lease, Liability, Noncurrent 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] Financial Instruments and Fair Value Measures Financial Instruments Disclosure [Text Block] The 2022 Callable Notes [Member] The 2022 Callable Notes [Member] The 2022 Callable Notes Net cash provided by (used for) financing activities Net Cash Provided by (Used in) Financing Activities Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Other (Income) Expense, Total Other Operating And Nonoperating Income (Expense) Other Operating And Nonoperating Income (Expense) Tax expense (benefit) Income Tax Expense (Benefit) Amounts reclassified from accumulated other comprehensive income Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Garrett Indemnification And Reimbursement [Member] Garrett Indemnification And Reimbursement [Member] Garrett indemnity agreement receivables 0.65% Euro notes due 2020 [Member] Euro Notes .65% Due 2020 [Member] Derivatives designated as hedges Increase (Decrease) in Fair Value of Hedged Item in Interest Rate Fair Value Hedge Derivative Fair Value Of Derivative Liability Derivative Liability, Fair Value, Gross Liability Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Other liabilities Other Liabilities, Noncurrent Fluorine Products [Member] Fluorine Products [Member] City Area Code City Area Code Safety and Retail [Member] Safety and Retail [Member] Safety and Productivity Solutions Safety And Productivity Solutions [Member] Original Due Date April 1, 2020 [Member] Original Due Date April 1 2020 [Member] Original Due Date April 1 2020 Other Restructuring Reserve, Translation and Other Adjustment Other intangible assets - net Intangible Assets, Net (Excluding Goodwill) Title of 12(b) Security Title of 12(b) Security Timing Of Payments Under Alternative Proposal [Axis] Timing Of Payments Under Alternative Proposal [Axis] Timing Of Payments Under Alternative Proposal Junior Subordinated Notes Junior Subordinated Notes 5.70% notes due 2037 [Member] Notes 5.70% due 2037 [Member] 5.70% notes due 2037 Other Payments for (Proceeds from) Other Investing Activities Foreign exchange Foreign Currency Transaction Gain (Loss), before Tax Estimated Fair Value [Member] Estimate of Fair Value Measurement [Member] Earnings Per Share [Abstract] Earnings Per Share [Abstract] 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 Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Dividends Paid Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Other Other Noncash Income (Expense) Proposed Purchase Price Proposed Purchase Price Proposed purchase price of Garrett on proposed sale under its bankruptcy filing. Deferred income taxes Deferred Income Tax Assets, Net Due Dates [Domain] Due Dates [Domain] Due Dates Pension and Other Postretirement Benefits Adjustments [Member] Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] 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 Income before taxes Income before taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest 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. ASSETS Assets [Abstract] Accrual for Environmental Loss Contingencies [Roll Forward] Accrual for Environmental Loss Contingencies [Roll Forward] Bidding Protections Expense Reimbursement Maximum Amount Bidding Protections Expense Reimbursement Maximum Amount Maximum amount of expense reimbursement under "Stalking Horse" bidding protections as approved by Bankruptcy Court Number of Operating Segments Number of Operating Segments Loss Contingency Accrual [Roll Forward] Loss Contingency Accrual [Roll Forward] Productivity Solutions and Services [Member] Productivity Products [Member] Asbestos Related Liabilities, Beginning of Period Asbestos Related Liabilities, End of Period Total liabilities Loss Contingency Accrual Loss Contingency Accrual Changes in Accumulated Other Comprehensive Income by Component Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Notes Payable, Fair Value Disclosure Long-term debt and related current maturities Notes Payable, Fair Value Disclosure Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table] Resolution Values Per Claim [Line Items] Resolution Values Per Claim [Line Items] Less: Reclassification adjustment for gains (losses) included in net income Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax Accrued liabilities Accrued Environmental Loss Contingencies, Current Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Segment Financial Data Schedule of Segment Reporting Information, by Segment [Table Text Block] Segment Reporting [Abstract] Segment Reporting [Abstract] Reimbursement receivable indemnification and reimbursement agreement Reimbursement Receivable Indemnification And Reimbursement Agreement Amounts due to (from) Honeywell/spinoff entity from indemnification and reimbursement agreement. Measurement Basis [Axis] Measurement Basis [Axis] 6.625% debentures due 2028 [Member] Debentures 6.625% due 2028 [Member] 6.625% debentures due 2028 1.300% Senior Notes due 2023 [Member] 1.30% Euro notes due 2023 [Member] Euro Notes 1.30% Due 2023 [Member] Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Early Repayment of Senior Debt Early Repayment of Senior Debt Debt Disclosure [Abstract] Debt Disclosure [Abstract] Net Investment Cross Currency Swap [Member] Net Investment Cross Currency Swap [Member] Net Investment Cross Currency Swap [Member] Inventories Schedule of Inventory, Current [Table Text Block] Repositioning and Other Charges Restructuring and Related Activities Disclosure [Text Block] Derivative Instrument [Axis] Derivative Instrument [Axis] Assets and Liabilities, Lessee [Abstract] Assets and Liabilities, Lessee [Abstract] Income Statement Location [Domain] Income Statement Location [Domain] Statistical Measurement [Axis] Statistical Measurement [Axis] Accumulated Other Comprehensive Income Loss [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) Comprehensive Income (Loss) Note [Text Block] Contract Assets Contract with Customer, Asset, after Allowance for Credit Loss Bendix Asbestos Loss Contingency Liability [Member] Bendix Asbestos Loss Contingency Liability [Member] Bendix asbestos loss contingency liability 5.375% notes due 2041 [Member] Notes 5.375% due 2041 [Member] Accounts payable Increase (Decrease) in Accounts Payable Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Within One Year [Member] Within One Year [Member] Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Indemnity and reimbursement receivable recorded In Other Current Assets Indemnity And Reimbursement Receivable Recorded In Other Current Assets Amount of indemnification and reimbursement receivable recorded in Other Current Assets Property, plant and equipment Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Amount, before accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset. Balance at beginning of period, Balance at end of period, Restructuring Reserve Other Accrual for Environmental Loss Contingencies, Period Increase (Decrease) Long-term Debt Debt Disclosure [Text Block] Restructuring and Related Cost, Cost Incurred to Date Restructuring and Related Cost, Cost Incurred to Date Lender Name [Axis] Lender Name [Axis] Performance obligation, percentage Revenue, Remaining Performance Obligation, Percentage Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Probable insurance recoveries related to estimated liability Loss Contingency, Receivable, Additions Entity central index key Entity Central Index Key Entity Emerging Growth Company Entity Emerging Growth Company Noncontrolling Interest [Member] Noncontrolling Interest [Member] Selling, general and administrative expenses SG&A Selling, General and Administrative Expense Accrued liabilities Operating Lease, Liability, Current 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 Stock compensation expense Share-based Payment Arrangement, Noncash Expense Net Investment Euro Denominated Commercial Paper [Member] Net Investment Euro Denominated Commercial Paper [Member] Net Investment Euro Denominated Commercial Paper [Member] Revenue Remaining Performance Obligation Expected Timing of Satisfaction [Table Text Block] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Credit Facility [Domain] Credit Facility [Domain] Pre-bankruptcy NARCO Liability [Member] Prebankruptcy Narco Liability [Member] 3.812% notes due 2047 [Member] Notes 3812 Due 2047 [Member] 3.812% Notes due 2047 Revenue Remaining Performance Obligation Timing Of Satisfaction [Axis] Revenue Remaining Performance Obligation Timing Of Satisfaction [Axis] Period of time in which remaining performance obligation is expected to be recognized Significant Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Income Tax Disclosure [Text Block] Income Tax Disclosure [Text Block] Pension and other postretirement benefit payments Payment for Pension and Other Postretirement Benefits Decrease in investments Proceeds from Sale, Maturity and Collection of Investments Unbilled contracts receivable Unbilled Contracts Receivable 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] Warehouse and Workflow Solutions [Member] Warehouse and Workflow Solutions [Member] 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. The 2020 Notes [Member] The 2020 Notes [Member] The 2020 Notes Loss (gain) on sale of non-strategic business and assets Gain Loss On Sale Of Nonstrategic Businesses And Assets 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. 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 Other assets Other Assets, Noncurrent Net current period other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Derivative Contract [Domain] Derivative Contract [Domain] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Amount of hedged item Derivative, Amount of Hedged Item Earnings per share basic Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table Text Block] Total long-term debt, including current portion Long-term Debt Long-term Debt Change in Contract with Customer, Asset and Liability [Abstract] Change in Contract with Customer, Asset and Liability [Abstract] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Expenditures for property, plant and equipment Payments to Acquire Property, Plant, and Equipment Gross proceeds Proceeds from Issuance of Long-term Debt Commercial Aviation Original Equipment [Member] Commercial Aviation Original Equipment [Member] Retirement Plan Type [Domain] Retirement Plan Type [Domain] Asbestos Related Liabilities Schedule Of Accrual For Asbestos Loss Contingencies Roll Forward [Table Text Block] The tabular disclosure of loss contingency, Asbestos Related Liabilities Term Loan Due 2022 Term Loan Due 2022 [Member] Term Loan Due 2022 Contract with Customer Asset and Liability [Table Text Block] Contract with Customer, Asset and Liability [Table Text Block] Cash flow hedges recognized in other comprehensive income (loss) Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Right Of Use Assets Obtained In Exchange For Lease [Abstract] Right Of Use Assets Obtained In Exchange For Lease [Abstract] Right Of Use Assets Obtained In Exchange For Lease [Abstract] 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] Accounting Policies [Abstract] Accounting Policies [Abstract] Share And Asset Purchase Agreement [Member] Share And Asset Purchase Agreement [Member] Proposed Stalking Horse Bid Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Revenue from Contract with Customer [Text Block] Revenue from Contract with Customer [Text Block] Reduction to LIFO cost basis Inventory, LIFO Reserve Interest Income Investment Income, Interest Interest and Other Financial Charges [Member] InterestAndOtherFinancialCharges [Member] Interest And Other Financial Charges [Member] Deferred income taxes Deferred Income Tax Liabilities, Net Cash dividends per share of common stock Common Stock, Dividends, Per Share, Cash Paid Indemnity and reimbursement receivable recorded In Other Assets Indemnity And Reimbursement Receivable Recorded In Other Assets Amount of indemnification and reimbursement receivable recorded in Other Assets. United States, Defined Benefit [Member] UNITED STATES Asbestos related liabilities Loss Contingency, Accrual, Noncurrent Fair Value Measurement [Domain] Fair Value Measurement [Domain] Changes in fair value of effective cash flow hedges Changes in fair value of effective cash flow hedges Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Interest Rate, Stated Percentage Entity Address, Address Line One Entity Address, Address Line One Other (income) Expense [Member] Other Operating Income (Expense) [Member] Claims resolved during the period Loss Contingency, Claims Settled and Dismissed, Number Long-term receivables Loans Receivable, Fair Value Disclosure Entity Address, State or Province Entity Address, State or Province Income Statement Location [Axis] Income Statement Location [Axis] Operating Segments [Member] Operating Segments [Member] Other Income and Expenses [Abstract] Other Income and Expenses [Abstract] Charges Restructuring Charges Retirement Benefits [Abstract] Retirement Benefits [Abstract] Net cash provided by (used for) investing activities Net Cash Provided by (Used in) Investing Activities Earnings Per Share Paragraph Details [Abstract] Earnings Per Share Paragraph Details [Abstract] Net repositioning and other charges Paragraph Details [Abstract] Net repositioning and other charges Paragraph Details [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Exit costs Facility Closing [Member] Receipts (payments) from settlements of derivative contracts Payments for (Proceeds from) Derivative Instrument, Investing Activities Proceeds from disposals of property, plant and equipment Proceeds from Sale of Property, Plant, and Equipment Accounts payable Accounts Payable, Current Hedged items Gain (Loss) on Fair Value Hedges Recognized in Earnings 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 Payments of long-term debt Repayment of Long-term Debt, Long-term Lease Obligation, and Capital Security Payments of commercial paper and other short-term borrowings Repayments of Short-term Debt Other comprehensive income (loss) before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Garrett [Member] Garrett [Member] Garrett [Member] Beginning of period End of period Total environmental liabilities Accrual for Environmental Loss Contingencies Summary of Significant Accounting Policies [Text Block] Significant Accounting Policies [Text Block] Garrett Tax Matters Agreement [Member] Garrett Tax Matters Agreement [Member] Garrett Tax Matters Agreement receivables 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 Accrued liabilities Accrued Liabilities, Current Garrett Bankruptcy Proposals [Line Items] Garrett Bankruptcy Proposals [Line Items] Garrett Bankruptcy Proposals Entity Interactive Data Current Entity Interactive Data Current 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 Common Stock, Shares, Issued, Beginning Balance Common Stock, Shares, Issued, Ending Balance Common Stock Shares Issued Common Stock, Shares, Issued Entity common stock shares outstanding Entity Common Stock, Shares Outstanding 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] Usage - cash Payments for Restructuring Long-term debt Long-term Debt and Lease Obligation Long-term Debt and Lease Obligation Inventories Inventories Inventory, Net Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Amortization of prior service (credit) Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Garrett Other Receivables [Member] Garrett Other Receivables [Member] Other receivables under the Indemnity and Reimbursement Agreement Measurement Frequency [Axis] Measurement Frequency [Axis] Pension Plans, Defined Benefit [Member] Pension [Member] Pension Plan [Member] Asbestos Related Liabilities [Member] Asbestos Related Liabilities [Member] Asbestos related liabilities Total Repositioning Reserves Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Net Change Contract With Customer Assets And Liabilities Net Change Amount of increase (decrease) in net contract assets and liabilities Earnings Per Share Earnings Per Share [Text Block] Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] 4.25% notes due 2021 [Member] Notes 4.25% due 2021 [Member] Notes 425 Due 2021 [Member] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] $1.5B 364-Day Credit Agreement [Member] Revolving Credit Facility [Member] Total financing lease liability Finance Lease, Liability Sensing & Internet-of-Things (IoT) Sensing And Internet Of Things [Member] Repositioning And Other Charges 4 Details [Abstract] Repositioning And Other Charges 4 Details [Abstract] Defined Benefit Plans Disclosure Schedule of Defined Benefit Plans Disclosures [Table Text Block] Hedging Designation [Axis] Hedging Designation [Axis] Cost of products and services sold [Member] Cost of Products Sold [Member] Cost of Sales [Member] Cash dividends paid Payments of Ordinary Dividends, Common Stock Entity Listings [Table] Entity Listings [Table] Long-Term Debt Schedule of Long-term Debt Instruments [Table Text Block] Performance Materials and Technologies Performance Materials And Technologies [Member] Performance Materials and Technologies Insurance receipts for asbestos related liabilities Loss Contingency, Receivable, Proceeds Amount excluded from effectiveness testing recognized in earnings using an amortization approach Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] 2.80% notes due 2050 [Member] Notes 2.8% Due 2050 [Member] Notes 2.8% Due 2050 Usage - noncash Restructuring Reserve, Settled without Cash Reimbursements from indemnification and reimbursement agreement Reimbursements From Indemnification And Reimbursement Agreement Amounts received by Honeywell from the spinoff entity as defined in the indemnification and reimbursement agreement. 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 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] Other long term debt Other Long-term Debt Reclassifications Reclassification, Policy [Policy Text Block] Capital - common stock issued Common Stock, Value, Issued Deferred income taxes Deferred Income Taxes and Tax Credits Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Resideo [Member] Resideo [Member] Resideo [Member] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Inventories Increase (Decrease) in Inventories Other (income) expense [Table Text Block] Interest and Other Income [Table Text Block] Loans Receivable, Basis Spread on Variable Rate Loans Receivable, Basis Spread on Variable Rate Pension and other postretirement income Pension and Other Postretirement Benefits Expense (Reversal of Expense), Noncash Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Building Solutions [Member] Building Solutions [Member] Dilutive securities issuable - stock plans Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Accumulated depreciation Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Other Other Income Expense Excluding Equity Of Affiliated Companies Other income (expense) excluding equity of affiliated companies Weighted average shares outstanding Weighted Average Number of Shares Outstanding, Basic Accruals for environmental matters deemed probable and reasonably estimable Accrual for Environmental Loss Contingencies, Charges to Expense for New Losses Other assets Operating Lease, Right-of-Use Asset Garrett Indemnification And Reimbursement Receivables [Member] Garrett Indemnification And Reimbursement Receivables [Member] Garrett Indemnification And Reimbursement Receivables Equity Components [Axis] Equity Components [Axis] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Gain or (loss) on cash flow hedges [Member] Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Other Including Capitalized Leases And Debt Issuance Costs 8.0% Weighted Average Maturing At Various Dates Through 2025 Other Including Capitalized Leases And Debt Issuance Costs 8 Weighted Average Maturing At Various Dates Through 2025 [Member] Other Including Capitalized Leases And Debt Issuance Costs 8 Weighted Average Maturing At Various Dates Through 2025 {Member] Total Honeywell shareowners' equity Stockholders' Equity Attributable to Parent Accrual for update to estimated liability Loss Contingency Accrual, Provision Products [Member] Products [Member] Environmental liability payments Accrual for Environmental Loss Contingencies, Payments Foreign exchange mark-to-market (ncome) expense Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Ongoing income - non-service Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component Nonmalignant claims 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 Exchange Translation Adjustment [Member] Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Lease, Cost [Table Text Block] Lease, Cost [Table Text Block] Repositioning and other charges Restructuring Costs Annual Contribution Claims [Member] Annual Contribution Claims [Member] Trade Accounts Receivable, before Allowance for Credit Loss, Current Forecast [Member] Forecast [Member] Bidding Protections Termination Fee Bidding Protections Termination Fee Termination fee under "Stalking Horse" bidding protections as approved by Bankruptcy Court. Floating rate notes due 2022 [Member] FloatingRateNotesDue2022 [Member] Floating rate notes due 2022 [Member] Other Postretirement Benefits Plans, Defined Benefit [Member] Other Postretirement [Member] Other Postretirement Benefits Plan [Member] Other liabilities Accrued Environmental Loss Contingencies, Noncurrent Amount of permanent reduction of the Unused Commitments Line of Credit Facility, Increase (Decrease), Other, Net Reacquired stock or repurchases of common stock Treasury Stock, Value, Acquired, Cost Method NEW YORK STOCK EXCHANGE Security Exchange Name 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. Other current assets Loss Contingency, Receivable, Current Stock options excluded from diluted computations Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 2.250% Senior Notes due 2028 [Member] 2.25% Euro notes due 2028 [Member] Euro Notes 2.25% Due 2028 [Member] Narco Asbestos Loss Contingency Liability [Member] Narco Asbestos Loss Contingency Liability [Member] Narco asbestos loss contingency liability Original Due Date May 1, 2020 [Member] Original Due Date May 1 2020 [Member] Original Due Date May 1 2020 Depreciation Depreciation Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Capital - additional paid in capital Additional Paid in Capital, Common Stock Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Net cash provided by (used for) operating activities Net Cash Provided by (Used in) Operating Activities Equity Component [Domain] Equity Component [Domain] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] 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. Hedging Relationship [Domain] Hedging Relationship [Domain] Revenue Performance Obligation Description of Timing Revenue, Performance Obligation, Description of Timing Document Transition Report Document Transition Report Claims filed during the period Loss Contingency, New Claims Filed, Number Cash collateral received Derivative, Collateral, Right to Reclaim Cash Short-term Investments Short-term Investments Other NARCO bankruptcy-related obligations [Member] Other Narco Bankruptcy Related Obligations [Member] Accounts Notes And Other Receivables Paragraph Details [Abstract] Accounts Notes And Other Receivables Paragraph Details [Abstract] Hedging Relationship [Axis] Hedging Relationship [Axis] Nonmalignant claims Other Claims Other disease of unresolved claims Long-term Debt [Member] Long-term Debt [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] Insurance recoveries for asbestos related liabilities Loss Contingency, Receivable, Noncurrent Consolidated Statement of Operations Income Statement [Abstract] Total net repositioning and other charges Total net repositioning charges 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. Balance Sheet Location [Axis] Balance Sheet Location [Axis] Derivative Fair Value Of Derivative Asset Derivative Asset, Fair Value, Gross Asset Timing of Satisfaction [Domain] Timing of Satisfaction [Domain] Interest rate swap agreements [Member] Interest Rate Contract [Member] 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