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Interest and other financial charges Interest and Other Financial Charges Interest and other financial charges Interest and Debt Expense Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Total current assets Assets, Current Derivatives in Fair Value Hedging Relationships: Designated as Hedging Instrument [Member] Contract liability, revenue recognized Contract with Customer, Liability, Revenue Recognized Operating lease, right-of-use asset, statement of financial position Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Business Acquisition [Line Items] Business Acquisition [Line Items] Entity Small Business Entity Small Business Measurement Basis [Axis] Measurement Basis [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Asbestos Related Liabilities Insurance Recoveries [Roll Forward] Asbestos Related Liabilities Insurance Recoveries [Roll Forward] Listing of asbestos related liabilities, insurance recoveries​ Senior notes Senior Notes Sensing and Safety Technologies Sensing And Safety Technologies [Member] 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 Gain on sale of non-strategic businesses 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. Unusual or Infrequent Item, or Both [Domain] Unusual or Infrequent Item, or Both [Domain] Dividends paid Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Performance obligations, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Other Other Long-Term Debt Prior service (credit) cost recognized Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax Accounts receivable Increase (Decrease) in Accounts Receivable Commercial paper and other short-term borrowings Short-Term Debt Title of each class Title of 12(b) Security Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Commercial Aviation Original Equipment Commercial Aviation Original Equipment [Member] Decrease in investments Proceeds from Sale, Maturity and Collection of Investments Long-term debt and related current maturities Notes Payable, Fair Value Disclosure Accumulated depreciation Finance Lease, Right-of-Use Asset, Accumulated Amortization Short-term investments Short-Term Investments Asbestos Related Liabilities Schedule Of Accrual For Asbestos Loss Contingencies Roll Forward [Table Text Block] The tabular disclosure of loss contingency, Asbestos Related Liabilities Subsequent Event [Line Items] Subsequent Event [Line Items] Net right-of-use assets obtained in exchange for lease obligations: Right Of Use Assets Obtained In Exchange For Lease [Abstract] Right Of Use Assets Obtained In Exchange For Lease [Abstract] Debt Instrument [Line Items] Debt Instrument [Line Items] Business Combination and Asset Acquisition [Abstract] Total operating lease liabilities Operating Lease, Liability SEGMENT FINANCIAL DATA Segment Reporting Disclosure [Text Block] Selling, general and administrative expenses Selling, General and Administrative Expenses [Member] Fair Value Estimate of Fair Value Measurement [Member] Other Other Restructuring And Related Adjustments Other Restructuring And Related Adjustments Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Interest and Other Financial Charges InterestAndOtherFinancialCharges [Member] Interest And Other Financial Charges [Member] Average Shares Weighted Average Number of Shares Outstanding, Diluted [Abstract] Other assets, reimbursement agreement Indemnity And Reimbursement Receivable Recorded In Other Assets Amount of indemnification and reimbursement receivable recorded in Other Assets. Inventories Inventories Inventory, Net Accounts payable Accounts Payable, Current Charges Restructuring Charges Other comprehensive income (loss), net of tax Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Insurance recoveries for asbestos related liabilities Loss Contingency, Receivable, Noncurrent Beginning of period End of period Total environmental liabilities Accrual for Environmental Loss Contingencies Long-term receivables Loans Receivable, Fair Value Disclosure 5-Year Credit Agreement Five Year Credit Agreement [Member] Five Year Credit Agreement 364-Day Credit Agreement Three Hundred Sixty Four Day Credit Agreement [Member] Three Hundred Sixty Four Day Credit Agreement Hedging Relationship [Domain] Hedging Relationship [Domain] Hedging Designation [Axis] Hedging Designation [Axis] Proceeds from sales of businesses, net of fees paid Proceeds from Sales of Business, Affiliate and Productive Assets Entity Filer Category Entity Filer Category Weighted average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic U.S. Plans UNITED STATES Asbestos related liabilities, beginning of period Asbestos related liabilities, end of period Total liabilities Loss Contingency Accrual Receipts from settlements of derivative contracts Payments for (Proceeds from) Derivative Instrument, Investing Activities Loss Contingency Accrual [Roll Forward] Loss Contingency Accrual [Roll Forward] Liabilities: Liabilities, Fair Value Disclosure [Abstract] Stock compensation expense Share-Based Payment Arrangement, Expense Name of each exchange on which registered Security Exchange Name Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Notional Derivative, Notional Amount Less: Reclassification adjustment for gains (losses) included in net income Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Segment Reconciling Items Segment Reconciling Items [Member] Short-term Debt, Type [Domain] Short-Term Debt, Type [Domain] Net sales Net Sales Revenue from Contract with Customer, Excluding Assessed Tax Industrial development bond obligations, floating rate maturing at various dates through 2037 Industrial development bond obligations, floating rate maturing at various dates through 2037 [Member] Industrial development bond obligations with floating rates maturing at various dates Service cost Defined Benefit Plan, Service Cost Restructuring Reserve [Line Items] Restructuring Reserve Disclosures [Abstract] Cover [Abstract] Cover [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] 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 Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Contract With Customer, Asset And Liability [Roll Forward] Contract With Customer, Asset And Liability [Roll Forward] Contract With Customer, Asset And Liability Insurance Recoveries for Asbestos Related Liabilities Schedule Of Insurance Recoveries For Asbestos Loss Contingencies Roll Forward [Table Text Block] The tabular disclosure of insurance recoveries for asbestos loss contingencies roll forward Long-term investment Debt Securities, Held-to-Maturity, Fair Value Work in process Inventory, Work in Process, Net of Reserves REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS Revenue from Contract with Customer [Text Block] Segment Reporting [Abstract] Segment Reporting [Abstract] Actuarial (gains) losses recognized during year Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax Noncontrolling interest Noncontrolling Interest [Member] Total net repositioning charge Restructuring costs (returned to income) Restructuring and Related Cost, Incurred Cost Accrual for update to estimated liability Loss Contingency Accrual, Provision Total liabilities, redeemable noncontrolling interest and shareowners’ equity Liabilities and Equity Debt term Debt Instrument, Term Total Asbestos Related Liabilities [Member] Asbestos related liabilities Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Net change Contract With Customer Assets And Liabilities Net Change Amount of increase (decrease) in net contract assets and liabilities Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Dilutive securities issuable - stock plans (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Assuming Dilution Earnings Per Share, Diluted [Abstract] Net Sales Sales [Member] Advanced Materials Advanced Materials [Member] Advanced Materials Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Derivatives Not Designated as Hedging Instruments: Not Designated as Hedging Instrument [Member] Disposal Group Name [Domain] Disposal Group Name [Domain] Cash paid for acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Level 2 Fair Value, Inputs, Level 2 [Member] Increase in investments Payments to Acquire Investments Current Fiscal Year End Date Current Fiscal Year End Date Other intangible assets - net Intangible Assets, Net (Excluding Goodwill) Earnings per share of common stock - assuming dilution (in dollars per share) Earnings Per Share, Diluted Proceeds from disposals of property, plant and equipment Proceeds from Sale of Property, Plant, and Equipment Stock-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Consolidation Items [Axis] Consolidation Items [Axis] Performance Materials and Technologies Performance Materials And Technologies [Member] Performance Materials and Technologies Total current liabilities Liabilities, Current Property, plant and equipment Finance Lease, Right-of-Use Asset, before Accumulated Amortization Other current assets Other Assets, Current 2.80% notes due 2050 Notes 2.8% Due 2050 [Member] Notes 2.8% Due 2050 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 Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Performance obligation, amount Revenue, Remaining Performance Obligation, Amount Schedule of Derivative Instruments Schedule of Derivative Instruments [Table Text Block] Resideo Resideo [Member] Resideo [Member] Amortization Amortization Fair Value Asset Fair value asset Derivative Asset, Subject to Master Netting Arrangement, before Offset Entity Address, Address Line One Entity Address, Address Line One Other Proceeds from (Payments for) Other Financing Activities Contract liabilities - beginning balance Contract liabilities - ending balance Contract with Customer, Liability Building Solutions Building Solutions [Member] Product and Service [Axis] Product and Service [Axis] Other (income) expense Interest and Other Income [Table Text Block] Class of Stock [Domain] Class of Stock [Domain] Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Foreign currency translation Restructuring Reserve, Foreign Currency Translation Gain (Loss) Tax valuation allowance adjustment Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Unbilled balances Unbilled Contracts Receivable Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Other Other Income Expense Excluding Equity Of Affiliated Companies Other income (expense) excluding equity of affiliated companies Payments of long-term debt Repayment of Long-Term Debt, Long-Term Lease Obligation, and Capital Security Derivative Instruments and Hedging Activities Disclosure [Abstract] Changes in fair value of available for sale investments OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Retirement Plan Type [Axis] Retirement Plan Type [Axis] Long-term debt Noncurrent portion Long-Term Debt and Lease Obligation INVENTORIES Inventory Disclosure [Text Block] Long-Term Debt Schedule of Long-Term Debt Instruments [Table Text Block] Subsequent Event [Table] Subsequent Event [Table] Accrued liabilities Accrued Environmental Loss Contingencies, Current Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Entity Tax Identification Number Entity Tax Identification Number 1.75% notes due 2031 Notes 175 due 2031 [Member] Notes 175 du1.75% notes due 2031 Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Carrying Amount of the Hedged Item Hedged Liability, Fair Value Hedge Nonmalignant claims (in dollars per claim) Resolution Values Of Non Malignant Claims1 Average resolution value per non malignant claims made against the entity based on total cost of settlement divided by the total number of non malignant claims. Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Change in estimated cost of future claims Loss Contingency Accrual, Adjustment Loss Contingency Accrual, Adjustment Cross currency swap agreements Currency Swap [Member] Net decrease in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Financing leases Finance Lease, Assets And Liabilities, Lessee [Abstract] Finance Lease, Assets And Liabilities, Lessee Total Repositioning Reserves Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Repositioning and Other Charges Restructuring and Related Costs [Table Text Block] Issued for employee savings and option plans Treasury Stock, Value, Issued For Employee Savings And Option Plans Value of stock issued during the period for employee savings and option plans. Entity Central Index Key Entity Central Index Key Interest income Investment Income, Interest Measurement Frequency [Axis] Measurement Frequency [Axis] Floating rate notes due 2022 FloatingRateNotesDue2022 [Member] Floating rate notes due 2022 [Member] Consideration amount Business Combination, Consideration Transferred 2.250% Senior Notes due 2028 2.25% Euro notes due 2028 Euro Notes 2.25% Due 2028 [Member] NARCO Narco Asbestos Loss Contingency Liability [Member] Narco asbestos loss contingency liability Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] City Area Code City Area Code ASSETS Assets [Abstract] Other current assets Increase (Decrease) in Other Current Assets Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Retirement Benefits [Abstract] Retirement Benefits [Abstract] 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. Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Claims resolved Loss Contingency, Claims Settled and Dismissed, Number Performance obligation, percentage Revenue, Remaining Performance Obligation, Percentage Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Issued for employee savings and option plans (in shares) Treasury Stock, Shares, Issued For Employee Savings And Option Plans Number of shares of stock issued during the period for employee savings and option plans. Total liabilities Financial Liabilities Fair Value Disclosure Payments of commercial paper and other short-term borrowings Repayments of Short-Term Debt Stock compensation expense Share-Based Payment Arrangement, Noncash Expense Russia and Ukraine Conflict Russia And Ukraine Conflict [Member] Russia And Ukraine Conflict Other liabilities Other Liabilities, Noncurrent Equity income of affiliated companies Income (Loss) from Equity Method Investments Interest rate swap agreements Interest Rate Contract [Member] Asbestos-related liability payments Loss Contingency Accrual, Payments Disposal Group Classification [Domain] Disposal Group Classification [Domain] Expenditures for property, plant and equipment Payments to Acquire Property, Plant, and Equipment Nonmalignant claims Other Claims Other disease of unresolved claims Other Matters [Line Items] Other Matters [Line Items] Other Matters Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] 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] Amount of hedged item Derivative, Amount of Hedged Item Environmental liability payments Accrual for Environmental Loss Contingencies, Payments Operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Cost of products and services sold Cost of Sales [Member] 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. Other Postretirement Benefits Plan Other Postretirement Benefits Plan [Member]