Accounts Receivable, Net Current [Abstract] Accounts Receivable Gross Current Trade Accounts payable Accounts, Notes and Loans Receivable, Net Current [Abstract] Accruals for environmental matters deemed probable and reasonably estimable Accruals for environmental matters deemed probable and reasonably estimable Accrual for Environmental Loss Contingencies, Provision for New Losses Environmental payments Environmental liability payments Environmental liability payments Other Accrual For Environmental Loss Contingencies Other Increase Decrease Total environmental liabilities Beginning of period End of period Accrual for Environmental Loss Contingencies Environmental Other liabilities Accrued Environmental Loss Contingencies, Noncurrent Accrued Liabilities Accrued Liabilities, Current Accrued liabilities Environmental costs Accrued liabilities Accrued Environmental Loss Contingencies, Current Accumulated other comprehensive loss Balance beginning of period December 31, Balance end of period Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Net Unrealized Investment Gain Loss [Member] Changes in Fair Value of Available for Sale Investments [Member] Unrealized Gains on Available for Sale Investments Accumulated Other Comprehensive Income Member Accumulated Defined Benefit Plans Adjustment [Member] Pension and Other Postretirement Adjustments [Member] Amortization of Pension and Other Postretirement Items Accumulated Other Comprehensive Income Loss [Abstract] Accumulated Other Comprehensive Income Loss [Line Items] Accumulated Translation Adjustment [Member] Foreign Exchange Translation Adjustment [Member] Capital - additional paid in capital Adjustment For Amortization Amortization Adjustments to reconcile net income attributable to Honeywell to net cash provided by operating activities: Allowance For Doubtful Accounts Receivable Current Less - Allowance for doubtful accounts Stock options excluded from diluted computations Total Assets Total assets Current assets: ASSETS Total current assets Total current assets Assets of Disposal Group, Including Discontinued Operation, Current Assets held for sale Total assets Available For Sale Securities Equity Securities Available for sale investments Basis of Accounting [Text Block] Basis of Presentation [Text Block] Business Acquisition Date Of Acquisition Agreement1 Date of acquisition agreement Business Acquisition [Axis] Business Acquisition Description Of Acquired Entity Description of acquired entity Business Acquisition Effective Date Of Acquisition1 Effective date of acquisition Business Acquisition [Line Items] Business Acquisition, Acquiree [Domain] Business Combinations [Abstract] Business Acquisition Name Of Acquired Entity Name of acquired entity Business Combination Disclosure [Text Block] Business Acquisition Revenue Reported By Acquired Entity For Last Annual Period Revenue reported for last annual period Carrying (Reported) Amount, Fair Value Disclosure [Member] Net increase (decrease) in cash and cash equivalents Net (decrease) increase in 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 end of period Cash and cash equivalents Gain (Loss) on interest rate swap agreements Gain (loss) on interest rate swap agreements Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments Commercial paper Commitments And Contingencies [Abstract] Commitments and Contingencies Commodity Contracts [Member] Forward Commodity Contracts [Member] Capital - common stock issued Cash dividends per share of common stock Dividends paid per share Pension Benefits (Tables) [Abstract] Component Of Operating Other Cost And Expense [Line Items] Comprehensive income (loss) attributable to Honeywell Comprehensive Income, Net of Tax, Attributable to Parent Total comprehensive income Comprehensive income attributable to Honeywell Comprehensive Income (Loss), Net Of Tax [Abstract] Other Comprehensive Income (Loss), Net Of Tax [Abstract] Less: Comprehensive income attributable to the noncontrolling interest Comprehensive income (loss) attributable to Honeywell Comprehensive income Total comprehensive income Accumulated Other Comprehensive Income (Loss) Consolidation Items [Domain] Consolidation Items [Axis] Corporate Non Segment [Member] Corporate [Member] Cost of products sold Cost of products sold Cost of products and services sold Cost Of Goods And Services Sold Cost of products and services sold Cost of services sold Cost of products and services sold [Member] Costs, expenses and other Credit Facility [Axis] Credit Facility [Domain] Debt Instrument [Line Items] Debt Instrument [Table] Debt Instrument Face Amount Face amount of debt instrument Long Term Debt And Credit Agreements [Abstract] Long-term Debt and Credit Agreements (Tables) [Abstract] Long-term Debt and Credit Agreements Various interest rates Debt Instrument Maturity Date Maturity date of debt instrument Interest rate range maximum Interest rate range minimum Deferred income taxes CF Deferred income taxes Deferred income taxes Deferred Tax Assets, Net, Noncurrent Deferred income taxes Deferred income taxes current assets Deferred income taxes Deferred Tax Liabilities Balance Sheet Defined Benefit Plan Amortization Of Prior Service Cost Credit Amortization of prior service cost (credit) Recognition of actuarial losses Recognition of actuarial losses Settlements and curtailments Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments Settlements and curtailments Defined Benefit Plan Disclosure [Line Items] Amortization of transition obligations Defined Benefit Plan Amortization Of Transition Obligations Assets Amortization of transition obligations Defined Benefit Plan Effect Of Plan Amendment On Accumulated Benefit Obligation Effect of plan amendment on accumulated benefit obligation Defined Benefit Plan Net Periodic Benefit Cost Net periodic benefit (income) Benefit plans income/(expense) Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Defined Benefit Plan Contributions By Employer Marketable securities contributed to pension plan Defined Benefit Plan Expected Return On Plan Assets Expected return on plan assets Expected return on plan assets Defined Benefit Plans [Domain] Defined Benefit Plans Disclosures, Defined Benefit Plans [Axis] Depreciation and amortization Depreciation Foreign Exchange Mark to Market income (expense) Derivatives Fair Value By Derivative Instrument Risk [Axis] Derivative Instrument Risk [Axis] Derivative Fair Value Of Derivative Liability Derivative Fair Value Of Derivative Asset Derivative Contract Type [Domain] Financial Instruments And Fair Value Measures [Abstract] Assuming dilution Earnings Per Share Earnings per share of common stock Earnings per share: Basic, Total Earnings per share of common stock - basic Earnings per share of common stock - assuming dilution Earnings per share - Assuming dilution, Total Earnings Per Share, Diluted Earnings Per Share [Abstract] Effect of foreign exchange rate changes on cash and cash equivalents Severance Costs [Member] Probable and reasonably estimable environmental liabilities Probable And Reasonably Estimable Environmental Liabilities Equity Component [Domain] Estimate of Fair Value, Fair Value Disclosure [Member] Excess tax benefits from share based payment arrangements Excess tax benefits from share based payment arrangements Excess tax benefits from share based payment arrangements Excess tax benefits from share based payment arrangements CF