Proceeds from sale of business, net of cash transferred Proceeds from Divestiture of Businesses Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization 5.375% notes due 2041 Notes 5.375% Due 2041 [Member] Notes 5.375% Due 2041 Proceeds from issuance of long-term debt Proceeds from Issuance of Long-Term Debt and Capital Securities, Net Net sales Revenue From Contract With Customer, Percentage Percentage of revenue from contract with customers based off timing of recognition. 3.50% euro notes due 2027 Euro Notes 3.50% Due 2027 [Member] Euro Notes 3.50% Due 2027 Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Current liabilities Business Combination, Recognized Liability Assumed, Liability, Current Award Timing Predetermined Award Timing Predetermined [Flag] Entity File Number Entity File Number Additional paid-in capital Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Schedule of Financial Assets and Liabilities That Were Not Carried at Fair Value Fair Value, by Balance Sheet Grouping [Table Text Block] Goodwill [Line Items] Goodwill [Line Items] Measurement Basis [Axis] Measurement Basis [Axis] Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Schedule of Cash Flow Information, Lessee Cash Flow Information, Lessee [Table Text Block] Cash Flow Information, Lessee REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS Revenue from Contract with Customer [Text Block] SOFR plus 0.63% notes due 2029 SOFR plus 0.63% notes due 2029 [Member] SOFR plus 0.63% notes due 2029 1.95% notes due 2030 Notes 1.95% Due 2030 [Member] Notes 1.95% Due 2030 Pension and other postretirement benefit payments Payment for Pension and Other Postretirement Benefits Total Assets held for sale Disposal Group, Including Discontinued Operation, Assets Adjustment to Compensation, Amount Adjustment to Compensation Amount Pension Plan Pension Plan [Member] Performance obligation, percentage Revenue, Remaining Performance Obligation, Percentage Stock compensation expense Share-Based Payment Arrangement, Noncash Expense Employee Stock Option Share-Based Payment Arrangement, Option [Member] Finance lease, liability, noncurrent, statement of financial position Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Dividends on common stock Dividends, Common Stock, Cash Total Honeywell shareowners’ equity Equity, Attributable to Parent Insider Trading Policies and Procedures [Line Items] Cover [Abstract] Cover [Abstract] Total net repositioning charges Restructuring costs (returned to income) Restructuring and Related Cost, Incurred Cost Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Maximum Maximum [Member] Intangible 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[Text Block] Litigation Case [Domain] Litigation Case [Domain] Earnings per share of common stock from continuing operations—basic (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Award Type Award Type [Axis] Foreign Exchange Translation Adjustment Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Hedging Relationship [Domain] Hedging Relationship [Domain] Gain (loss) on derivatives not designated as hedging instruments Gain (Loss) on Interest Rate Derivative Instruments Not Designated as Hedging Instruments Trading Symbol Trading Symbol Notes 5.850% Due 2066 Notes 5.850% Due 2066 [Member] Notes 5.850% Due 2066 5.70% notes due 2036 Notes 5.70% due 2036 [Member] 5.70% notes due 2036 Entity Address, City or Town Entity Address, City or Town Short-term Debt, Type [Domain] Short-Term Debt, Type [Domain] 4.95% notes due 2031 Notes 4.95% Due 2031 [Member] Notes 4.95% Due 2031 Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Income Statement Location [Domain] Statement of Income Location, Balance [Domain] Suppliers Utilizing Third Party Services Sold Through To Financial Institutions Suppliers Utilizing Third Party Services Sold Through To Financial Institutions [Member] Suppliers Utilizing Third Party Services Sold Through To Financial Institutions Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Consideration amount Business Combination, Consideration Transferred Entity Emerging Growth Company Entity Emerging Growth Company 4.65% notes due 2027 Notes 4.65% Due 2027 [Member] Notes 4.65% Due 2027 Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Debt issuance costs Debt Issuance Costs, Net Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] 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Entity Address, State or Province Entity Address, State or Province Postretirement benefit obligations other than pensions Liability, Other Postretirement Defined Benefit Plan, Noncurrent Long-term receivables Loans Receivable, Fair Value Disclosure Total current liabilities Liabilities, Current Restructuring costs incurred to date Restructuring and Related Cost, Cost Incurred to Date Individual: Individual [Axis] Finance leases Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Cash dividends paid Payments of Ordinary Dividends, Common Stock Total costs, expenses and other Costs And Operating And Nonoperating Expenses Total cost of sales, operating, and non-operating expenses. Amortization Amortization Defense and Space Defense Services [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Principal Amount Repayments of Long-Term Debt Industrial development bond obligations, floating rate maturing at various dates through 2037 Industrial Development Bond Industrial development bond Entity Interactive Data Current Entity Interactive Data Current Interest and other financial charges Interest and Debt Expense, Including Other Financial Charges Interest and Debt Expense, Including Other Financial Charges Revenue Recognition and Contracts with Customers Revenue from Contract with Customer [Policy Text Block] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Current maturities of long-term debt Less: Current maturities of long-term debt Long-Term Debt and Lease Obligation, Current Pension and other postretirement income Pension and Other Postretirement Benefits Expense (Reversal of Expense), Noncash Accumulated depreciation Finance Lease, Right-of-Use Asset, Accumulated Amortization Other assets Other Assets, Noncurrent Entity Central Index Key Entity Central Index Key PEO Name PEO Name Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Cross currency swap agreements Currency Swap [Member] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Schedule of Earnings Per Share Basic Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table Text Block] Other comprehensive income (loss), net of tax 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Instruments and Hedging Activities Disclosures [Table] Dilutive securities issuable - stock plans (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Increase in investments Payments to Acquire Investments Entity Listings [Line Items] Entity Listings [Line Items] Document Quarterly Report Document Quarterly Report Deferred income taxes Deferred Income Taxes and Tax Credits Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] Pension mark-to-market expense Pension Mark To Market Pension Mark To Market Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount 4.50% notes due 2034 Notes 4.50% Due 2034 [Member] Notes 4.50% Due 2034 Payments to acquire businesses, gross Payments to Acquire Businesses, 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Original Equipment [Member] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Disposal Group Name [Axis] Disposal Group Name [Axis] 4.00% notes due 2029 Notes 4.00% Due 2029 [Member] Notes 4.00% Due 2029 Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] 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] 4.30% notes due 2031 Notes 4.30% Due 2031 [Member] Notes 4.30% Due 2031 Current liabilities Liabilities, Current [Abstract] Schedule of Derivative Instruments, Gain (Loss) Derivative Instruments, Gain (Loss) [Table Text Block] Level 1 Fair Value, Inputs, Level 1 [Member] Long-term outstanding borrowings Long-Term Line of Credit Accrued liabilities Increase (Decrease) in Accrued Liabilities Total earnings per share of common stock—assuming dilution (in dollars per share) Earnings Per Share, Diluted Accounts receivable, less allowances of $165 and $202, respectively Accounts Receivable, after Allowance for Credit Loss, Current Interest and Other Financial Charges Interest And Other Financial Charges [Member] Interest And Other Financial Charges [Member] Treasury stock, beginning balance (in shares) Treasury stock, ending balance (in shares) Treasury Stock, Common, Shares 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 Consolidation Items [Domain] Consolidation Items [Domain] Net income from discontinued operations Less: Net income from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Other intangible assets—net Disposal Group, Including Discontinued Operation, Intangible Assets Industrial development bond obligations, floating rate 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Charges Restructuring Charges Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable Increase (Decrease) in Accounts Receivable Schedule of Restructuring and Related Costs [Table] Restructuring Cost [Table] Entity Current Reporting Status Entity Current Reporting Status Derivative [Line Items] Derivative [Line Items] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] 3.375% euro notes due 2030 Euro Notes 3.375% Due 2030 [Member] Euro Notes 3.375% Due 2030 Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Executive Category: Executive Category [Axis] Foreign currency exchange contracts Foreign Exchange Forward [Member] 3.812% notes due 2047 Notes 3.812% Due 2047 [Member] 3.812% Notes due 2047 Current maturities of long-term debt Finance Lease, Liability, Current Current Fiscal Year End Date Current Fiscal Year End Date Finite-Lived Intangible Assets, 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[Domain] Net assets acquired Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) Stock options excluded from diluted computations (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Average shares Weighted Average Number of Shares Outstanding, Diluted [Abstract] Investments and long-term receivables Long-Term Investments and Receivables, Net Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] LEASES Lessee, Operating Leases [Text Block] Other expense Other Income Expense Excluding Equity Of Affiliated Companies Other income (expense) excluding equity of affiliated companies Net cash provided by (used for) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Measure: Measure [Axis] Fair value of hedging instruments Derivative, Fair Value, Net Cost of Product and Service Sold Cost of Product and Service Sold Disposal Group 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Contingencies [Line Items] Loss Contingencies [Line Items] Honeywell Aerospace Inc Honeywell Aerospace Inc [Member] Honeywell Aerospace Inc Corporate and All Other Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Security Exchange Name Security Exchange Name Schedule Of Pretax Impact of Total Repositioning [Table] Schedule Of Pretax Impact of Total Repositioning [Table] Tabular disclosure of the pretax impact of total net repositioning and other charges by segment. 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