Document and Entity Information Document and Entity Information [Abstract] Entity Registrant Name Document Type Amendment Flag Document Period End Date Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Public Float Entity Common Stock, Shares Outstanding Entity Central Index Key Income Statement [Abstract] Statement [Table] Statement [Line Items] Product sales Sales Revenue, Goods, Net, Total Sales Revenue, Services, Net Service sales Revenues Net sales Costs, expenses and other Costs, expenses and other Cost of products sold Cost of Goods Sold, Total Cost of Services Cost of services sold Cost of goods and services sold Cost of Goods and Services Sold, Total Selling, general and administrative expenses Selling, General and Administrative Expense, Total Other Operating Income Other (income) expense Interest and Debt Expense Interest and other financial charges Interest and other financial charges Total costs of sales and operating expenses for the period. Cost and operating expenses Cost and operating expenses Continuing income before taxes, including minority interest and equity income. Income before taxes Income Tax Expense (Benefit) Tax expense Net income Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest, Total Comprehensive income attributable to non controlling interest (NetIncomeLossAttributableToNoncontrollingInterest) Less: Net income attributable to the noncontrolling interest Comprehensive income attributable to non controlling interest Net income attributable to Honeywell Net income attributable to Honeywell Net income attributable to Honeywell Earnings Per Share, Basic Earnings per share of common stock- basic Earnings Per Share, Diluted Earnings per share of common stock- assuming dilution Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Net Income (Loss) Attributable to Parent [Abstract] Net Income (Loss), Including Portion Attributable to Noncontrolling Interest [Abstract] Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total Net Income (Loss) Available to Common Stockholders, Basic Net Income (Loss) Available to Common Stockholders, Basic, Total Statement of Financial Position [Abstract] Class of Stock [Axis] Class of Stock [Domain] Assets [Abstract] ASSETS Cash and cash equivalents Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Cash and Cash Equivalents, at Carrying Value, Total Accounts, notes and other receivables (ReceivablesNetCurrent) Accounts, notes and other receivables Receivables, Net, Current, Total Inventories (InventoryNet) Inventories Inventory, Net, Total Deferred income taxes (DeferredTaxAssetsNetCurrent) Deferred Tax Assets, Net, Current, Ending Balance Deferred Tax Assets, Net, Current, Beginning Balance Deferred income taxes Deferred Tax Assets, Net, Current, Total Other Assets, Current Other current assets Total current assets Assets, Current, Total Investments and long-term receivables Long-term Investments and Receivables, Net, Total Property, plant and equipment - net Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Total Goodwill Goodwill, Ending Balance Goodwill, Beginning Balance Intangible assets excluding goodwill and finite lived software. Other intangible assets - net Non-current amounts receivable associated with asbestos insurance claims. Insurance recoveries for asbestos related liabilities Deferred income taxes (DeferredTaxAssetsNetNoncurrent) Deferred income taxes Deferred Tax Assets, Net, Noncurrent, Total Other Assets, Noncurrent Other assets Assets Total assets Liabilities and Stockholders' Equity [Abstract] Liabilities [Abstract] LIABILITIES Accounts payable (AccountsPayableCurrent) Accounts payable Accounts Payable, Current, Total Short-term borrowings Commercial Paper Current maturities of long-term debt Long-term Debt and Capital Lease Obligations, Current, Total Accrued Liabilities, Current Accrued liabilities Total current liabilities Liabilities, Current, Total Long-term debt Long-term Debt and Capital Lease Obligations, Total Deferred income taxes (DeferredTaxLiabilitiesNoncurrent) Deferred income taxes Postretirement benefit obligations other than pensions The long term portion of asbestos liability. Asbestos related liabilities Other liabilities Other Liabilities, Noncurrent, Total Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] SHAREOWNERS' EQUITY Capital - common stock issued Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Total - additional paid-in capital Additional Paid in Capital, Common Stock, Ending Balance Additional Paid in Capital, Common Stock, Beginning Balance Treasury Stock, Value Common stock held in treasury, at cost Treasury Stock, Value, Ending Balance Treasury Stock, Value, Beginning Balance Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Retained Earnings (Accumulated Deficit) Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit), Beginning Balance Retained earnings Total Honeywell shareowners' equity Stockholders' Equity Attributable to Parent, Ending Balance Stockholders' Equity Attributable to Parent, Beginning Balance Stockholders' Equity Attributable to Parent, Total Stockholders' Equity Attributable to Noncontrolling Interest Stockholders' Equity Attributable to Noncontrolling Interest, Ending Balance Stockholders' Equity Attributable to Noncontrolling Interest, Beginning Balance Noncontrolling interest Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total shareowners equity Balance Total shareowners' equity Stockholders' Equity, Number of Shares, Par Value and Other Disclosures [Abstract] Treasury Stock, Number of Shares and Restriction Disclosures [Abstract] Treasury Stock, Shares Ending balance, treasury stock, shares Balance, treasury stock, shares Liabilities and Stockholders' Equity Total liabilities and shareowners' equity Statement of Cash Flows [Abstract] Cash and Cash Equivalents, Period Increase (Decrease) [Abstract] Cash flows from operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income attributable to Honeywell to net cash provided by operating activities: Depreciation and amortization Depreciation and amortization The difference between the sale price and the net book value of a non-strategic business sold. It also includes the difference between the sale price or salvage price and the book value of an asset that was sold or retired during the reporting period. This element refers to the gain (loss) and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. There is also a more specific element for realized gain (loss) on the sale of property, plant, and equipment. Gain on sale of non-strategic businesses and assets Repositioning and other charges Repositioning and other charges (B) Restructuring Costs, Total Net payments for repositioning and other charges Pension and other postretirement expense Pension and other postretirement expense (B) Pension and Other Postretirement Benefit Expense, Total Pension and other postretirement payments Pension and Other Postretirement Benefit Contributions, Total Stock compensation expense Stock compensation expense (B) Share-based Compensation, Total Deferred income taxes (DeferredIncomeTaxesAndTaxCredits) Deferred income taxes Deferred Income Taxes and Tax Credits, Total Excess tax benefits from share based payment arrangements (ExcessTaxBenefitFromShareBasedCompensationOperatingActivities) Excess tax benefits from share based payment arrangements Other Employee Benefits and Share-based Compensation [Abstract] Employee Benefits and Share-based Compensation Employee Benefits and Share-based Compensation, Total Restructuring Costs and Asset Impairment Charges [Abstract] Restructuring Costs and Asset Impairment Charges Restructuring Costs and Asset Impairment Charges, Total Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities, Total Changes in assets and liabilities, net of the effects of acquisitions and divestitures: Accounts, notes and other receivables (IncreaseDecreaseInAccountsAndNotesReceivable) Accounts, notes and other receivables Inventories (IncreaseDecreaseInInventories) Inventories Inventories Other current assets Accounts payable (IncreaseDecreaseInAccountsPayable) Accounts payable Increase (Decrease) in Accounts Payable, Total Increase (Decrease) in Accrued Liabilities Accrued liabilities Increase (Decrease) in Operating Assets [Abstract] Increase (Decrease) in Receivables [Abstract] Increase (Decrease) in Receivables Increase (Decrease) in Receivables, Total Increase (Decrease) in Operating Assets Increase (Decrease) in Operating Assets, Total Increase (Decrease) in Operating Liabilities [Abstract] Increase (Decrease) in Accounts Payable and Accrued Liabilities [Abstract] Increase (Decrease) in Accounts Payable and Accrued Liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total Increase (Decrease) in Operating Liabilities Increase (Decrease) in Operating Liabilities, Total Increase (Decrease) in Operating Capital Increase (Decrease) in Operating Capital, Total Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities, Total Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net Cash Provided by (Used in) Operating Activities, Continuing Operations, Total Net Cash Provided by (Used in) Operating Activities Net cash provided by operating activities Cash flows from investing activities: Expenditures for property, plant and equipment Payments to Acquire Property, Plant, and Equipment, Total Proceeds from disposals of property, plant and equipment Proceeds from Sale of Property, Plant, and Equipment, Total Increase in investments Payments to Acquire Investments, Total Decrease in investments Proceeds from Sale, Maturity and Collections of Investments, Total Cash paid for acquisitions, net of cash acquired Payments to Acquire Businesses and Interest in Affiliates, Total Proceeds from sales of businesses, net of fees paid Proceeds from Divestiture of Businesses, Net of Cash Divested, Total Payments for (Proceeds from) Other Investing Activities Other Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Payments for (Proceeds from) Productive Assets [Abstract] Payments to Acquire Productive Assets [Abstract] Payments to Acquire Productive Assets Payments to Acquire Productive Assets, Total Proceeds from Sale of Productive Assets [Abstract] Proceeds from Sale of Productive Assets Proceeds from Sale of Productive Assets, Total Payments for (Proceeds from) Productive Assets Payments for (Proceeds from) Productive Assets, Total Payments for (Proceeds from) Investments [Abstract] Payments for (Proceeds from) Investments Payments for (Proceeds from) Investments, Total Payments for (Proceeds from) Businesses and Interest in Affiliates [Abstract] Proceeds from Divestiture of Businesses and Interests in Affiliates [Abstract] Proceeds from Divestiture of Businesses and Interests in Affiliates Proceeds from Divestiture of Businesses and Interests in Affiliates, Total Payments for (Proceeds from) Businesses and Interest in Affiliates Payments for (Proceeds from) Businesses and Interest in Affiliates, Total Net Cash Provided by (Used in) Investing Activities, Continuing Operations Net Cash Provided by (Used in) Investing Activities, Continuing Operations, Total Net Cash Provided by (Used in) Investing Activities Net cash used for investing activities Cash flows from financing activities: Net (decrease)/increase in commercial paper Net (decrease)/increase in commercial paper Net increase or decrease in short-term borrowings Net decrease in short-term borrowings Payments of debt assumed with acquisitions Proceeds from issuance of common stock Proceeds from Issuance or Sale of Equity, Total Proceeds from issuance of long-term debt Proceeds from Issuance of Long-term Debt and Capital Securities, Net, Total Payments of long-term debt Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities, Total Excess tax benefits from share based payment arrangements (ExcessTaxBenefitFromShareBasedCompensationFinancingActivities) Excess tax benefits from share based payment arrangements Repurchases of common stock Payments of Dividends, Common Stock Cash dividends paid Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Proceeds from (Repayments of) Debt [Abstract] Proceeds from (Repayments of) Long-term Debt and Capital Securities [Abstract] Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities [Abstract] Repayments of Long-term Debt [Abstract] Repayments of Long-term Debt Repayments of Long-term Debt, Total Proceeds from (Repayments of) Long-term Debt and Capital Securities Proceeds from (Repayments of) Long-term Debt and Capital Securities, Total Proceeds from (Repayments of) Debt Proceeds from (Repayments of) Debt, Total Proceeds from (Repurchase of) Equity [Abstract] Payments for Repurchase of Equity [Abstract] Payments for Repurchase of Equity Payments for Repurchase of Equity, Total Proceeds from (Repurchase of) Equity Proceeds from (Repurchase of) Equity, Total Payments of Dividends [Abstract] Payments of Ordinary Dividends [Abstract] Dividends paid Payments of Ordinary Dividends Payments of Ordinary Dividends, Total Payments of Dividends Payments of Dividends, Total Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net Cash Provided by (Used in) Financing Activities, Continuing Operations, Total Net Cash Provided by (Used in) Financing Activities Net cash used for financing activities Effect of Exchange Rate on Cash and Cash Equivalents Effect of foreign exchange rate changes on cash and cash equivalents Net increase in cash and cash equivalents Net increase in cash and cash equivalents Statement of Stockholders' Equity [Abstract] Statement, Equity Components [Axis] Equity Component [Domain] Parent [Member] Common Stock [Member] Additional Paid-in Capital [Member] Other Additional Capital [Member] Treasury Stock [Member] Retained Earnings [Member] Retained Earnings, Unappropriated [Member] Accumulated Other Comprehensive Income [Member] Accumulated Net Unrealized Investment Gain (Loss) [Member] Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] Accumulated Translation Adjustment [Member] Accumulated Defined Benefit Plans Adjustment [Member] Noncontrolling Interest [Member] Comprehensive Income [Member] Increase (Decrease) in Shareowners' Equity [Roll Forward]