Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Accrued expenses Accrued expenses Accrued Liabilities, Current Tooling and molds Property, Plant and Equipment, Other, Gross Redemption price, if change of control repurchase event occurs (as a percent) Debt Instrument, Redemption Price, if Change of Control Repurchase Event Occurs, Percentage Debt Instrument, Redemption Price, if Change of Control Repurchase Event Occurs, Percentage Total authorized program Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Changes in working capital, excluding effects from acquisitions and divestitures: Increase (Decrease) in Operating Capital [Abstract] Schedule of Disaggregation of Revenue by Major Source Revenue from External Customers by Products and Services [Table Text Block] Award Type [Domain] Award Type [Domain] Fair Value as of Grant Date Award Grant Date Fair Value Change in commercial paper and short-term debt Repayments of Short-Term Debt Net cash consideration Payments to Acquire Businesses, Gross Schedule of Estimated Fair Values of the Assets Acquired and Liabilities Assumed Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Summary of Pension Obligations And Funded Status Schedule of Net Funded Status [Table Text Block] Deferred income taxes Deferred income taxes Deferred Income Tax Liabilities, Net Other notes receivable Other Notes Receivable [Member] Other Notes Receivable [Member] Insider Trading Policies and Procedures [Line Items] Number of significant plans Retirement Benefits, Number Of Defined Benefit Pension Plans Retirement Benefits, Number Of Defined Benefit Pension Plans Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Other Current Assets Derivative Asset, Current Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] 2028 Lessee, Operating Lease, Liability, to be Paid, Year Five Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Schedule Of Revenue From External Sales And Long-Lived Assets, By Geographical Areas Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] UK Manufacturer UK Manufacturer [Member] UK Manufacturer Other current liabilities Subsidiary Other Accrued Liabilities [Abstract] Subsidiary Other Accrued Liabilities [Abstract] Schedule of Stock Units Converted to Common Stock Stock Units Converted To Common Stock [Table Text Block] Stock Units Converted To Common Stock [Table Text Block] Writedown of inventories Inventory Write-down Number of shares against plan (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares available under the Plan Authorized, Plan Modification Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares available under the Plan Authorized, Plan Modification Expected dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Reporting Unit [Domain] Reporting Unit [Domain] Liabilities associated with the ESU program Financial Liabilities Fair Value Disclosure Current Liabilities Liabilities, Current [Abstract] Goodwill, Percentage Of Fair value In Excess Of Carrying Value [Domain] Percentage Range [Domain] Percentage Range Federal Deferred Federal Income Tax Expense (Benefit) Accumulated impairment losses Goodwill, Impaired, Accumulated Impairment Loss Intersegment eliminations Intersegment Eliminations [Member] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Stock based retirement plans employee contributions Stock Based Retirement Plans Employee Contributions Stock Based Retirement Plans Employee Contributions Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Other Income (Expense) [Line Items] Other Income (Expense) [Line Items] Other Income (Expense) [Line Items] Other long-term liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities Premium contributions for ESUP participants ESUP Participant Contribution For Stock Or Other Investment Purchases, Premium Contributions ESUP Participant Contribution For Stock Or Other Investment Purchases, Premium Contributions Diluted (in dollars per share) Diluted EPS attributable to Leggett & Platt, Inc. common shareholders (in dollars per share) Earnings Per Share, Diluted Deferred Compensation [Domain] Deferred Compensation [Domain] Deferred Compensation [Domain] Hydraulic Cylinders Group Hydraulic Cylinders Hydraulic Cylinders [Member] Hydraulic Cylinders [Member] Other Intangible Assets Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block] Trade receivables, net Trade receivables, net Accounts Receivable, after Allowance for Credit Loss, Current Receivable [Domain] Receivable [Domain] Rate of compensation increase Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase Repayments of debt Extinguishment of Debt, Amount Line of Credit Line of Credit [Member] Other comprehensive income (loss) Other Comprehensive Income (Loss), before Reclassifications, before Tax Other Nonoperating Income (Expense) [Abstract] Other Nonoperating Income (Expense) [Abstract] Derivative Asset, Statement of Financial Position [Extensible Enumeration] Derivative Asset, Statement of Financial Position [Extensible Enumeration] SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] Trading Symbol Trading Symbol Letters of credit issued under the credit agreement Letters of Credit Outstanding, Amount Non-compete agreements, supply agreements and other Noncompete Agreements Noncompete Agreements [Member] Adjustments to prior year acquisitions Goodwill, Adjustments for Acquisitions During Prior Period Net Goodwill, Adjustments for Acquisitions During Prior Period Net. Withdrawal obligation Multiemployer Plans, Withdrawal Obligation Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Machinery and equipment Machinery and Equipment [Member] Benefits paid Defined Benefit Plan, Plan Assets, Benefits Paid Discount Rate Ranges Goodwill Impairment Inputs, Discount Rate Goodwill Impairment Inputs, Discount Rate Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Other intangible assets Other Intangible Assets [Member] Summary of Calculation of Basic and Diluted Earnings (loss) Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Service cost Defined Benefit Plan, Service Cost Derivative Liability, Statement of Financial Position [Extensible Enumeration] Derivative Liability, Statement of Financial Position [Extensible Enumeration] Work Furniture Work Furniture [Member] Work Furniture [Member] Executive Category: Executive Category [Axis] Total Units Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Summary Of Significant Accounting Policies Significant Accounting Policies [Text Block] Facility closure, asset relocation, and other Facility Closing, Relocation (or Consolidation) and Other [Member] Facility Closing, Relocation (or Consolidation) and Other Level 1 Fair Value, Inputs, Level 1 [Member] Total deferred taxes assets Deferred Tax Assets, Net of Valuation Allowance Carrying value Reported Value Measurement [Member] Schedule of Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Equity Components [Axis] Equity Components [Axis] Financial Instruments [Domain] Financial Instruments [Domain] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Hedging Relationship [Domain] Hedging Relationship [Domain] Shares Available for Issuance Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant 2025 Long-Term Debt, Maturity, Year Two Entity Small Business Entity Small Business 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Four Local Phone Number Local Phone Number Currency loss (gain) Unrealized Gain (Loss), Foreign Currency Transaction, before Tax Outstanding stock units—vested Stock Units, Vested [Member] Stock Units, Vested Recovery of Erroneously Awarded Compensation Disclosure [Line Items] 2028 Finance Lease, Liability, to be Paid, Year Five Letter of Credit Letter of Credit [Member] Number of frozen plans Retirement Benefits, Number Of Defined Benefit Pension Plans Which Have Stopped Earning Benefits Retirement Benefits, Number Of Defined Benefit Pension Plans Which Have Stopped Earning Benefits Total USD Equivalent Notional Amount Derivative, Notional Amount Fair Value by Measurement Frequency [Axis] Measurement Frequency [Axis] Other items Other Capitalized Property Plant and Equipment [Member] Retirement Plan Type [Domain] Retirement Plan Type [Domain] RSU Restricted Stock Units (RSUs) [Member] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Accrued expenses Accrued Liabilities [Member] Depreciation Depreciation Retirement Benefits [Abstract] Retirement Benefits [Abstract] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Schedule of Long-Term Debt, Weighted Average Interest Rates And Due Dates Schedule of Long-Term Debt Instruments [Table Text Block] Schedule of Acquisitions Schedule of Business Acquisitions, by Acquisition [Table Text Block] Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Workers’ compensation, vehicle-related and product liability, medical/disability Accrued Workers Compensation, Medical, Auto And Product Liability Accrued Workers Compensation, Medical, Auto And Product Liability Other Assets Other Assets, Noncurrent [Abstract] Amount limited by restrictive covenants of credit facility Debt Instrument, Restrictive Covenants, Amount Debt Instrument, Restrictive Covenants, Amount Short-term Debt [Line Items] Short-Term Debt [Line Items] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Diversified investments associated with the ESU program, current Diversified investments associated with the Executive Stock Unit Program, Current Diversified investments associated with the Executive Stock Unit Program, Current Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Percentage of award intended to pay out in stock Share Based Compensation Arrangement By Share Based Payment Award Percentage Paid Out In Stock Share-based Compensation Arrangement by Share-based Payment Award, Percentage Paid Out in Stock Diversified investments associated with the ESU program, total Diversified investments associated with the Executive Stock Unit Program Diversified investments associated with the Executive Stock Unit Program Award Type [Axis] Award Type [Axis] Anti-dilutive shares excluded from diluted EPS computation (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Total shares base award (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Dividends declared Dividends, Common Stock Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Hedging Designation [Axis] Hedging Designation [Axis] Total property, plant and equipment Property, Plant and Equipment, Gross Right-of-use assets obtained in exchange for new operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Less: interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Employer contributions Defined Benefit Plan, Plan Assets, Contributions by Employer PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Lease Obligations Lessee, Finance Leases [Text Block] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Disposal group, including discontinued operation, accounts, notes and loans receivable, net Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net Schedule of Income Taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Property, plant and equipment acquired through finance leases Noncash or Part Noncash Acquisition, Fixed Assets Acquired Fair value in excess of carrying value for the goodwill impairment testing performed (as a percent) Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount Foreign currency exchange rates change Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Portion Attributable to Parent Current portion of operating lease liabilities Current portion of operating lease liabilities Operating Lease, Liability, Current Interest on lease liabilities Finance Lease, Interest Expense 2026 Lessee, Operating Lease, Liability, to be Paid, Year Three Impairment charges benefit Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount Net Intangibles Finite-Lived Intangible Assets, Net Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] New Accounting Guidance New Accounting Pronouncements, Policy [Policy Text Block] Tax valuation allowance SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member] Expected employer contributions Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year Accelerated depreciation or long-lived asset impairments Long-Lived Asset Impairments [Member] Long-Lived Asset Impairments Gain (loss) on derivatives Gain (Loss) on Sale of Derivatives Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Prior to Plan Modification Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Prior to Plan Modification Lease term, operating leases not yet commenced Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization 2025 Lessee, Operating Lease, Liability, to be Paid, Year Two ESU Esu [Member] ESU [Member] Schedule of Components of Earnings (Loss) From Continuing Operations Before Income Taxes Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Interest income Investment Income, Interest Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign Weighted average assumptions for benefit obligation: Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract] PSU awards Performance Stock Unit Awards [Member] Performance Stock Unit Awards Purchase price Business Combination, Consideration Transferred Gross profit Gross Profit Security Exchange Name Security Exchange Name Weighted average discount rate Weighted Average Discount Rate [Abstract] Weighted Average Discount Rate [Abstract] Stock-Based Compensation Share-Based Payment Arrangement [Policy Text Block] Lease costs Operating Lease, Cost, Excluding Variable Lease Cost Operating Lease, Cost, Excluding Variable Lease Cost Selling and administrative expenses Selling, General and Administrative Expense Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Award vesting percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Unexercised options Employee Stock Option [Member] Derivative Financial Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Unallocated assets and other Eliminations And Reconciling Items [Member] Eliminations And Reconciling Items [Member] Maximum Maximum [Member] Reasonably possible losses in excess of accruals Loss Contingency, Range of Possible Loss, Portion Not Accrued Schedule of Restructuring-Related Costs Restructuring and Related Costs [Table Text Block] Unrecognized cost of non-vested stock Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Other, primarily non-employee directors restricted stock Other Primarily Non Employee Directors Restricted Stock [Member] Other Primarily Non Employee Directors Restricted Stock [Member] Property, Plant and Equipment—at cost Property, Plant and Equipment, Net [Abstract] Document Type Document Type Other Comprehensive Income Location [Domain] Other Comprehensive Income Location [Domain] Additions for current year acquisitions Goodwill, Acquired During Period Tabular List, Table Tabular List [Table Text Block] Senior Notes, Due 2022 Senior Notes, Due 2022 [Member] Senior Notes, Due 2022 [Member] Treasury stock purchased Treasury Stock, Value, Acquired, Cost Method Thereafter Long-Term Debt, Maturity, after Year Five Inventories Inventory, Policy [Policy Text Block] 2026 Finance Lease, Liability, to be Paid, Year Three Derivative financial instruments Other Current Liabilities Derivative Liability, Current Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Federal Current Federal Tax Expense (Benefit) Other, net Other Noncash Income (Expense) Business Acquisition [Axis] Business Acquisition [Axis] Executive Stock Unit (ESU) program contributions Stock Based Retirement Plans Contributions [Member] Stock Based Retirement Plans Contributions [Member] PSU Psu [Member] PSU [Member] Allowance for doubtful accounts - trade receivables Accounts Receivable, Allowance for Credit Loss, Current Trademarks and Trade Names Trademarks and Trade Names [Member] Inventories Inventories [Member] State and local Deferred State and Local Income Tax Expense (Benefit) Specialized Products Specialized Products [Member] Specialized Products [Member] Reserved percentage of award intended to pay out in cash Share Based Compensation Arrangement By Share Based Payment Award Pay Out In Cash Reserved Percentage Share-based Compensation Arrangement by Share-based Payment Award, Pay Out in Cash, Reserved Percentage Award Year 2019, PSU - EBIT CAGR Three Year Performance Cycle Award Year Two Thousand Nineteen, PSU EBIT CAGR [Member] Three Year Performance Cycle Award Year Two Thousand Nineteen, PSU EBIT CAGR Value-added taxes (VAT) recoverable Value Added Tax Receivable, Current Title of 12(b) Security Title of 12(b) Security Performance Stock Unit Awards TSR Based Performance Stock Unit Awards TSR Based [Member] Performance Stock Unit Awards TSR Based Actuarial loss (gain) Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Attributable to noncontrolling interest Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest Acquisitions Business Combination Disclosure [Text Block] Deferred income taxes Deferred Income Taxes [Member] Deferred Income Taxes [Member] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Trade sales Operating segments Operating Segments [Member] Non-vested (in dollars per share) Non-vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Macroeconomic Items Macroeconomic Items [Member] Macroeconomic Items Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Senior Notes, Due 2027 Senior Notes, Due 2027 [Member] Senior Notes, Due 2027 [Member] Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Entity Tax Identification Number Entity Tax Identification Number Total lease costs Lease, Cost Erosion Control And Geosynthetic Products Erosion Control And Geosynthetic Products [Member] Erosion Control And Geosynthetic Products Statistical Measurement [Axis] Statistical Measurement [Axis] Entity Interactive Data Current Entity Interactive Data Current Fair value of net identifiable assets Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Long-Term Debt Long-Term Debt [Text Block] Other long-term liabilities Subsidiary Other Long-term Liabilities [Abstract] Subsidiary Other Long-term Liabilities [Abstract] Other expense (income) Other Operating Income (Expense), Misc, Net Other Operating Income (Expense), Misc, Net Discount market price purchase date, percentage Share Based Compensation Arrangement By Share Based Payment Award Discount Market Price Purchase Date Share based compensation arrangement by share based payment award discount market price purchase date. Entity Well Known Seasoned Issuer Entity Well-known Seasoned Issuer Fair Value over Carrying Value divided by Carrying Value Percentage Of Fair Value In Excess Of Carrying Percentage Of fair Value In excess Of Carrying Value Percentage Of Fair Value In Excess Of Carrying Percentage Of Fair Value In excess Of Carrying Value Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Measure: Measure [Axis] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Name Outstanding Recovery, Individual Name Revenue Recognition/Shipping And Handling Fees And Costs Revenue from Contract with Customer [Policy Text Block] Converter And Distributer Of Construction Fabrics Converter And Distributer Of Construction Fabrics [Member] Converter And Distributer Of Construction Fabrics Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Goodwill Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] DSU Dsu [Member] DSU [Member] Available for grant Awards Available For Grant [Member] Awards Available For Grant Schedule of Deferred Income Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Unusual or Infrequent Item, or Both [Domain] Unusual or Infrequent Item, or Both [Domain] Derivative Financial Instruments Derivatives, Policy [Policy Text Block] Settlements Defined Benefit Plan, Plan Assets, Payment for Settlement 2024 Finite-Lived Intangible Asset, Expected Amortization, Year One Operating cash flows from operating leases Operating Lease, Payments Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Additional consideration including interest paid Payments for Previous Acquisition Other notes receivable Other Notes Receivable Noncurrent Other notes receivable noncurrent Interest cost Defined Benefit Plan, Interest Cost PEO PEO [Member] Reasonably possible losses that may be incurred Loss Contingency, Estimate of Possible Loss Auditor Location Auditor Location Defined Benefit Plan Disclosure [Line Items] Comprehensive Income [Line Items] Defined Benefit Plan Disclosure [Line Items] Employee Benefit Plans Retirement Benefits [Text Block] Change in plan assets Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Measurement performance period (in years) Measurement Performance Period Measurement Performance Period Money market funds, cash and other Defined Benefit Plan, Cash and Cash Equivalents [Member] Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Net Cash Used for Investing Activities Net Cash Provided by (Used in) Investing Activities Award Year 2020, PSU - EBIT CAGR Three Year Performance Cycle Award Year Two Thousand Twenty, PSU EBIT CAGR [Member] Three Year Performance Cycle Award Year Two Thousand Twenty, PSU EBIT CAGR Debt Instrument [Axis] Debt Instrument [Axis] Allowance for doubtful accounts - other notes receivable Other Receivable, Allowance for Credit Loss, Noncurrent Other Long-Term Liabilities Derivative Liability, Noncurrent Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Payments on long-term debt Repayments of Debt Credit Facility [Axis] Credit Facility [Axis] Liabilities associated with stock-based compensation plans Deferred Compensation Share-based Arrangements, Liability, Accrued Liabilities Deferred Compensation Share-based Arrangements, Liability, Accrued Liabilities Schedule of Maturities of Long-Term Debt Schedule of Maturities of Long-Term Debt [Table Text Block] Total current Current Income Tax Expense (Benefit) Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Weighted average remaining lease term (years) Weighted Average Remaining Lease Term [Abstract] Weighted Average Remaining Lease Term [Abstract] Measurement Frequency [Domain] Measurement Frequency [Domain] Long-term Liabilities Liabilities, Noncurrent [Abstract] Title of Individual [Axis] Title of Individual [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Deferred tax assets, research and development Deferred Tax Assets, in Process Research and Development 2023 number of shares purchased by employees (in shares) Number Of Shares Purchased By Employees Number of shares purchased by employees Deferred Tax Asset Liability By Asset Class [Axis] Deferred Tax Asset Liability By Asset Class [Axis] Deferred Tax Asset Liability By Asset Class [Axis] Canada CANADA Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Weighted average assumptions for pension costs: Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Subsequent Event [Line Items] Subsequent Event [Line Items] 2025 Defined Benefit Plan, Expected Future Benefit Payment, Year Two Other receivables Other Receivables Gross Noncurrent Other Receivables, Gross, Noncurrent China CHINA Other information Earnings Per Share, Diluted, Other Disclosure [Abstract] Litigation contingency accruals Loss Contingency, Accrual, Current Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] State and local Current State and Local Tax Expense (Benefit) Weighted Average Life Finite-Lived Intangible Asset, Weighted Average Useful Life Finite-Lived Intangible Asset, Weighted Average Useful Life Total current assets Assets, Current Schedule of Amounts Outstanding Related to Commercial Paper Program Schedule of Short-Term Debt [Table Text Block] Net pension expense Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Long-lived asset impairment Asset Impairment Charges Contingent consideration, liability Business Combination, Contingent Consideration, Liability Supplemental Information Supplemental Cash Flow Information [Abstract] Adjustments for New Accounting Pronouncements [Axis] Accounting Standards Update [Axis] Equity securities Defined Benefit Plan, Equity Securities [Member] Restructuring Type [Axis] Restructuring Type [Axis] Short-term Debt, Type [Domain] Short-Term Debt, Type [Domain] Goodwill And Other Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Number of types of borrowing that may be elected under the facility Line Of Credit Facility, Number Of Types Of Borrowing Available Line Of Credit Facility, Number Of Types Of Borrowing Available Current Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Schedule of Changes in Each Component of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] State taxes, net of federal benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Grant date per share fair value (in dollars per share) Granted based on future conditions (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Five Other Postretirement Benefits Plan Other Postretirement Benefits Plan [Member] 2027 Finance Lease, Liability, to be Paid, Year Four Trade And Other Receivables And Allowance For Doubtful Accounts Accounts Receivable [Policy Text Block] Net Cash Provided by Operating Activities Net Cash Provided by (Used in) Operating Activities Schedule of Estimated Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Class of Stock [Axis] Class of Stock [Axis] Additional consideration for acquisition of businesses Contingent consideration, liability, current Business Combination, Contingent Consideration, Liability, Current Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] 2023 awards and prior year TSR Based awards Relative Total Shareholder Return [Member] Relative Total Shareholder Return [Member] Wages and commissions payable Accrued Salaries, Current Business interruption policy Gain (Loss) On Business Interruption Insurance Policy Gain (Loss) On Business Interruption Insurance Policy Depreciation and Amortization Depreciation, Depletion and Amortization Other expense (income), net Total Other Operating Income (Expense), Net Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Term notes Medium-term Notes [Member] Home Furniture Group Home Furniture Group [Member] Home Furniture Group [Member] Allowance for doubtful receivables SEC Schedule, 12-09, Allowance, Credit Loss [Member] Business Combination and Asset Acquisition [Abstract] Commercial paper Commercial Paper [Member] Consolidation Items [Axis] Consolidation Items [Axis] Goodwill impairment Goodwill, Impairment Loss Valuation allowance Deferred Tax Assets, Valuation Allowance Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Finance Leases Finance Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Cash Flow Hedges Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Long-term debt Total long-term debt Long-Term Debt and Lease Obligation Deferred income taxes Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Schedule of Components of Accounts And Other Receivables Schedule Of Accounts And Other Receivables [Table Text Block] Schedule Of Accounts And Other Receivables [Table Text Block] Property, Plant and Equipment by Type [Axis] Long-Lived Tangible Asset [Axis] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Entity Emerging Growth Company Entity Emerging Growth Company Schedule of Supplemental Balance Sheet Information Assets And Liabilities, Lessee [Table Text Block] Assets And Liabilities, Lessee [Table Text Block] Less: additional contingent consideration payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Additional Consideration Payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Additional Consideration Payable Other intangibles, net Intangible Assets, Net (Excluding Goodwill) Assets Deferred Tax Assets, Gross Employer premium contribution to diversified investment accounts Employer Premium Contribution To Diversified Investment Accounts Employer premium contribution to diversified investment accounts. 2024 Lessee, Operating Lease, Liability, to be Paid, Year One Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Title Trading Arrangement, Individual Title Limitation on secured debt (as a percent) Limitation on Secured Debt, Percent of Consolidated Assets Limitation on Secured Debt, Percent of Consolidated Assets Cash Portion Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Share-Based Liabilities Paid Number of production and distribution facilities Restructuring and Related Cost, Number of Facilities Consolidated Restructuring and Related Cost, Number of Facilities Consolidated Other Other Current Liabilities Other current liabilities Common Stock Common Stock [Member] Earnings (loss) before interest and income taxes EBIT Income (Loss) from Continuing Operations before Interest Expense, Interest Income, Income Taxes, Noncontrolling Interests, Net Individual: Individual [Axis] Audit Information [Abstract] Audit Information SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Income Statement Location [Domain] Income Statement Location [Domain] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] Sundry Derivative Asset, Noncurrent COVID-19 COVID-19 [Member] COVID-19 Weighted average interest rate (as a percent) Debt, Weighted Average Interest Rate Total equity Balance, beginning of period Balance, end of period Equity, Including Portion Attributable to Noncontrolling Interest Minimum Minimum [Member] Net property, plant and equipment Tangible long-lived assets Property, Plant and Equipment, Net Trade receivables, net Accounts Receivable, after Allowance for Credit Loss, Noncurrent Other comprehensive income (loss), net of tax Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax Contingent consideration, high range Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High Finance lease costs: Lessee, Finance Lease, Description [Abstract] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Benefit obligation, beginning of period Benefit obligation, end of period Defined Benefit Plan, Benefit Obligation General taxes, excluding income taxes Accrual for Taxes Other than Income Taxes, Current ASSETS Assets [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] ESU program ESUP Executive Stock Unit Program [Member] Executive Stock Unit Program [Member] 2026 Defined Benefit Plan, Expected Future Benefit Payment, Year Three Schedule of Derivative Financial Instruments At Fair Value Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Gross carrying amounts of items acquired Finite-lived Intangible Assets Acquired, Total, Amount Finite-lived Intangible Asset Acquired, Total, Amount Valuation And Qualifying Accounts And Reserves SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] U.S. treasuries US Treasury Securities [Member] Deferred income taxes Deferred Income Tax Assets, Net Net Cash Used for Financing Activities Net Cash Provided by (Used in) Financing Activities Retirement Plan Type [Axis] Retirement Plan Type [Axis] Permanent reinvestment on earnings Undistributed Earnings of Foreign Subsidiaries, Not Permanently Reinvested Undistributed Earnings of Foreign Subsidiaries, Not Permanently Reinvested Contingencies Commitments and Contingencies Disclosure [Text Block] Other, net Payments for (Proceeds from) Other Investing Activities Mexico MEXICO Unusual or Infrequent Item, or Both [Axis] Unusual or Infrequent Item, or Both [Axis] Retained Earnings Retained Earnings [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Foreign currency exchange rate changes Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss) Cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Basic (in dollars per share) Basic EPS attributable to Leggett & Platt, Inc. common shareholders (in dollars per share) Earnings Per Share, Basic Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans [Roll Forward] Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans [Roll Forward] Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans [Roll Forward] Accounting Policies [Abstract] Accounting Policies [Abstract] Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration] Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration] Net gain from disposal of assets and businesses Gain (Loss) on Disposition of Assets Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Fair value of plan assets, beginning of period Fair value of plan assets, end of period Total investments at fair value Defined Benefit Plan, Plan Assets, Amount Taxes receivable, including income taxes Income Taxes Receivable, Noncurrent Secured debt limit, percentage of total consolidated assets Debt Instrument, Secured Debt Limit, Percentage Of Total Consolidated Assets Debt Instrument, Secured Debt Limit, Percentage Of Total Consolidated Assets Benefits paid Defined Benefit Plan, Benefit Obligation, Benefits Paid Number of investments Defined Benefit Plan, Actual Plan Assets Allocations, Number of Investments Defined Benefit Plan, Actual Plan Assets Allocations, Number of Investments Income taxes paid Income Taxes Paid Principles Of Consolidation Consolidation, Policy [Policy Text Block] Accumulated other comprehensive income (loss) (net of tax) Accumulated Other Comprehensive Income Net Of Tax [Member] Accumulated Other Comprehensive Income (Net Of Tax) [Member] Total long-term liabilities Liabilities, Noncurrent Additions to long-term debt Proceeds from Issuance of Debt Document Transition Report Document Transition Report Award Timing Predetermined Award Timing Predetermined [Flag] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Technology Technology-Based Intangible Assets [Member] Accounts payable Increase (Decrease) in Accounts Payable Entity Public Float Entity Public Float Automatic employer match, percentage Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Employees Contribution Comprising Employers Base Contribution Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Employees Contribution Comprising Employers Base Contribution 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] Derivative, by Nature [Axis] Derivative Instrument [Axis] Number of business days' notice to terminate facility Line Of Credit Facility, Termination Notice, Number Of Business Days Line Of Credit Facility, Termination Notice, Number Of Business Days All Trading Arrangements All Trading Arrangements [Member] Share-based Compensation Arrangement by Share-based Payment Award, Settlement Type [Domain] Share-based Compensation Arrangement by Share-based Payment Award, Settlement Type [Domain] [Domain] for Share-based Compensation Arrangement by Share-based Payment Award, Settlement Type [Axis] All Adjustments to Compensation All Adjustments to Compensation [Member] Compensation Amount Outstanding Recovery Compensation Amount Bedding Group Bedding Group [Member] Bedding group [Member] Summary of Average Assets for Segments Reconciliation of Assets from Segment to Consolidated [Table Text Block] (Decrease) increase in provision for losses on accounts and notes receivable Change in Provision Accounts Receivable, Credit Loss Expense (Reversal) Derivative assets Derivative Asset Total deferred Deferred Income Tax Expense (Benefit) Subsequent Event Type [Axis] Subsequent Event Type [Axis] 2023 PSU awards 2023 Performance Stock Unit (PSU) Awards [Member] Performance Stock Unit Awards - TSR Based [Member] Finance leases Total finance lease liabilities Lease liability Finance Lease, Liability Document Financial Statement Error Correction Flag Document Financial Statement Error Correction [Flag] Funded status recognized in the Consolidated Balance Sheets Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract] Number of companies forming peer group Number Of Companies Forming Peer Group Number of Companies Forming Peer Group Beginning balance Ending balance Accounts Receivable, Allowance for Credit Loss Awards based upon relative TSR for certain business unit employees (as a percent) PSU Awards Based On TSR For Business Unit Employees PSU Awards Based On TSR For Business Unit Employees 2024 Long-Term Debt, Maturity, Year One Automotive Group Automotive Group [Member] Automotive group [Member] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Diversified investments associated with the ESU program Diversified Investments Associated With Esup [Member] Diversified Investments Associated With The ESUP [Member] Schedule of Deferred Compensation Arrangement with Individual Disclosure, Postretirement Benefits Deferred Compensation Arrangement with Individual Disclosure, Postretirement Benefits [Table Text Block] Machinery and equipment Machinery and Equipment, Gross Year-end Interest Rate Long-Term Debt, Weighted Average Interest Rate, at Point in Time Deferred Compensation [Axis] Deferred Compensation [Axis] Deferred Compensation [Axis] Total liabilities associated with stock-based compensation, current Deferred Compensation Liability, Current Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Other - primarily timing differences between employee withholdings and related employer contributions to be submitted to various plans' trust accounts, total Other Deferred Compensation Arrangements, Liability, Current and Noncurrent Cash costs Payments for Restructuring Document Period End Date Document Period End Date Adoption Date Trading Arrangement Adoption Date Share liabilities, total Deferred Compensation Share-Based Arrangements, Liability, Current and Noncurrent Net trade sales Sales [Member] Finance leases (as a percent) Finance Lease, Weighted Average Discount Rate, Percent Long-term debt Finance Lease, Liability, Noncurrent Interest trade receivable percentage Accounts Receivable, Trade, Percentage Of Face Value, Interest Sold Accounts Receivable, Trade, Percentage Of Face Value, Interest Sold Treasury Stock Treasury Stock, Common [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Income taxes Total income taxes Income Tax Expense (Benefit) Total liabilities associated with stock-based compensation, total Deferred Compensation Liability, Current and Noncurrent Total foreign sales Non-US [Member] Designated as hedging instruments Designated as Hedging Instrument [Member] Liabilities associated with stock-based compensation plans Total liabilities associated with stock-based compensation, long-term Deferred Compensation Liability, Classified, Noncurrent Less: Net Charge-offs/(Recoveries) and Other Accounts Receivable, Allowance for Credit Loss, Writeoff Finance leases (see Note J) Sundry Finance Lease, Right-of-Use Asset, after Accumulated Amortization Share-based Compensation Arrangement by Share-based Payment Award, Settlement Type [Axis] Share-based Compensation Arrangement by Share-based Payment Award, Settlement Type [Axis] Share-based Compensation Arrangement by Share-based Payment Award, Settlement Type [Axis] Vesting [Axis] Vesting [Axis] Fair Value Fair Value Disclosures [Text Block] Deferred compensation Share liabilities, long-term Aggregate amount of compensation deferred during 2023 Deferred Compensation Share-Based Arrangements, Liability, Classified, Noncurrent Number of operating segments Number of Operating Segments Cash equivalents: Cash and Cash Equivalents [Abstract] Equity [Abstract] Equity [Abstract] Operating leases (in years) Operating Lease, Weighted Average Remaining Lease Term Other receivables, net Other receivables, net Other Receivables, Net, Current Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Bedding Bedding [Member] Bedding [Member] Amortization Recognized net actuarial loss Defined Benefit Plan, Amortization of Gain (Loss) Deferred income tax benefit Increase (Decrease) in Deferred Income Taxes Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Terminal Values Long-term Growth Rate for Debt-Free Cash Flow Fair Value Inputs, Long Term Growth Rate, Debt-free Cash Flow Fair Value Inputs, Long Term Growth Rate, Debt-free Cash Flow Purchases of companies, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Expected return on plan assets Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-Term Rate of Return on Plan Assets Credit Facility [Domain] Credit Facility [Domain] Bank time deposits with original maturities of three months or less Bank Time Deposits [Member] Schedule of Discount Stock Plan Discount Stock Plan [Table Text Block] Discount Stock Plan [Table Text Block] Treasury stock purchased, (in shares) Treasury Stock, Shares, Acquired Manual A. Fernandez [Member] Manual A. Fernandez Average rate used to determine discount rate Debt Instrument, Basis Spread on Variable Rate Useful Life Range Property, Plant and Equipment, Useful Life Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Long-term debt, term Long-Term Debt, Term Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Discount rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Performance Stock Unit Performance Stock Unit [Member] Performance Stock Unit [Member] Leverage ratio to EBITDA Ratio of Indebtedness to EBITDA Ratio of Indebtedness to EBITDA Interest rate cash flow hedges Interest Rate Contract [Member] Other intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Right-of-use assets obtained in exchange for new finance lease liabilities Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Other Other Sundry Assets Other sundry assets Trade accounts receivable Trade Accounts Receivable [Member] Less: interest Finance Lease, Liability, Undiscounted Excess Amount Revenue Revenue from Contract with Customer [Text Block] Additional contributed capital Additional Paid in Capital, Common Stock Additional Contributed Capital Additional Paid-in Capital [Member] Document Annual Report Document Annual Report Weighted average number of shares (in millions) Weighted Average Number of Shares Outstanding, Diluted, Adjustment [Abstract] Other - primarily timing differences between employee withholdings and related employer contributions to be submitted to various plans' trust accounts, long-term Other Deferred Compensation Arrangements, Liability, Classified, Noncurrent Greater than 300% More Than 300 Percent [Member] More Than 300 Percent Cover page. Cover [Abstract] Award based on EBIT CAGR (as a percent) Award Based On Applicable Segment's EBIT CAGR Award Based On Applicable Segment's EBIT CAGR Subsequent Events Subsequent Events [Text Block] Accounts and Other Receivables Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Pension cost and other post-retirement benefits Pension Costs [Member] United States UNITED STATES Net gain from disposal of assets and businesses Gain (Loss) On Sale Of Assets And Businesses The gain (loss) resulting from the sale of a disposal group and/or fixed assets. This includes both continuing operations and discontinued operations. Number of Acquisitions Number of Businesses Acquired Recurring Fair Value, Recurring [Member] Weighted Average Life Property, Plant and Equipment, Weighted Average Useful Life Property, Plant and Equipment, Weighted Average Useful Life Specialty Foam And Bedding Manufacturer Specialty Foam And Bedding Manufacturer [Member] Specialty Foam And Bedding Manufacturer Dividends paid Payments of Dividends Other long-term liabilities Other long-term liabilities Other Liabilities, Noncurrent Total Lessee, Operating Lease, Liability, to be Paid Cash flow hedges Cash Flow Hedging [Member] Amortization of right-of-use assets Finance Lease, Right-of-Use Asset, Amortization Segment Information Segment Reporting Disclosure [Text Block] Increase (Decrease) in Cash and Cash Equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Inventory obsolescence and other Inventory Obsolescence And Other [Member] Inventory Obsolescence And Other Other, partially secured Secured Debt [Member] Equity Component [Domain] Equity Component [Domain] Current maturities of long-term debt Finance Lease, Liability, Current Work in process Inventory, Work in Process, Net of Reserves Awards based on TSR compared to peer group (as a percent) PSU Awards Based On TSR Compared To Peer Group PSU Awards Based On TSR Compared To Peer Group Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Defined benefit pension plans Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax Entity Current Reporting Status Entity Current Reporting Status Acquisition of noncontrolling interest Noncontrolling Interest, Increase from Business Combination Long-term Receivables, Gross, Noncurrent [Abstract] Receivables, Gross, Noncurrent [Abstract] Percentage of award intended to pay out in cash Share Based Compensation Arrangement By Share Based Payment Award Percentage Paid Out In Cash Share-based Compensation Arrangement by Share-based Payment Award, Percentage Paid Out in Cash Senior Notes, Due 2051 Senior Notes, Due 2051 [Member] Senior Notes, Due 2051 Number of reporting units Number of Reporting Units Rate of compensation increase Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase Liabilities Deferred Tax Liabilities, Gross Other Comprehensive Income Location [Axis] Other Comprehensive Income Location [Axis] Cash Cash Compensation [Member] Cash Compensation [Member] Liabilities: Deferred Compensation Liability [Abstract] Plan participants’ contributions Defined Benefit Plan, Benefit Obligation, Contributions by Plan Participant Aerospace Products Group Aerospace Products Group [Member] Aerospace Products Group [Member] Segments [Axis] Segments [Axis] Total Estimate of Fair Value Measurement [Member] Property, Plant And Equipment Property, Plant and Equipment, Policy [Policy Text Block] Other comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Scenario [Domain] Scenario [Domain] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Customer Relationships Customer Relationships [Member] Credit facility outstanding Long-Term Line of Credit Award performance period (in years) Share-based Compensation Arrangement By Share-based Payment Award, Award Performance Period Share-based Compensation Arrangement By Share-based Payment Award, Award Performance Period Type of Restructuring [Domain] Type of Restructuring [Domain] Equity Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Tranche One Share-Based Payment Arrangement, Tranche One [Member] Amortization of intangibles and supply agreements Amortization of Intangible Assets and Supply Agreements Amortization of Intangible Assets and Supply Agreements Earnings attributable to noncontrolling interest, net of tax Net Income (Loss) Attributable to Noncontrolling Interest Pay vs Performance Disclosure [Line Items] Entity Voluntary Filers Entity Voluntary Filers Current Receivable, Gross, Current [Abstract] Receivable, Gross, Current [Abstract] Net commercial paper Net Commercial Paper Activity [Member] Net Commercial Paper Activity [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Employee contributions for above stock plans Share Based Compensation Employee Contributions Employee contributions to stock compensation plans. Raw materials and supplies Inventory, Raw Materials and Supplies, Net of Reserves Non-vested (in shares) Non-vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Active Plans Active Plans [Member] Active Plans [Member] Net operating losses and other tax carryforwards Net Operating Loss And Tax Credit Carryforwards [Member] Net Operating Loss And Tax Credit Carryforwards [Member] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Revolving credit facility Revolving Credit Facility [Member] Effect of Exchange Rate Changes on Cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations Less: additional consideration (receivable) Business Combination, Recognized Identifiable Assets Acquired, Additional Consideration Receivable Business Combination, Recognized Identifiable Assets Acquired, Additional Consideration Receivable Liabilities associated with the ESU program Liabilities Associated With Esup [Member] Liabilities associated with esup [Member] Impairment of intangible assets Impairment of Intangible Assets, Finite-Lived Accumulated other comprehensive income (loss) net of tax beginning balance Accumulated other comprehensive income (loss) net of tax ending balance Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Performance Shares Performance Shares [Member] Segment Reporting [Abstract] Segment Reporting [Abstract] Accounts payable Accounts Payable, Current Restatement Determination Date: Restatement Determination Date [Axis] Statutory federal income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Schedule of Deferred Tax Assets And (Liabilities) Included In Consolidated Balance Sheets Deferred Tax Assets And (Liabilities) Included In Consolidated Balance Sheets [Table Text Block] Deferred Tax Assets And Liabilities Included In Consolidated Balance Sheets Commitments and Contingencies Commitments and Contingencies Operating Leases Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Additions to Property, Plant and Equipment Segment, Expenditure, Addition to Long-Lived Assets Curtailments and settlements Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment Outstanding checks in excess of book balances Bank Overdrafts Issuances of common stock Proceeds from Issuance of Common Stock Geographical [Axis] Geographical [Axis] Income Taxes Income Tax Disclosure [Text Block] 2028 Defined Benefit Plan, Expected Future Benefit Payment, Year Five Base award percentage of total shareholder return Share Based Compensation Arrangement By Share Based Payment Award Percentage Earning Of Participants Share-based Compensation Arrangement by Share-based Payment Award, Percentage Earning of Participants Leases Lessee, Leases [Policy Text Block] Acquired Companies’ Long-Lived Assets Property, plant and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Business Acquisition [Line Items] Business Acquisition [Line Items] Weighted Average Grant Date Fair Value per Unit Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] Number of union sponsored multiemployer plans Defined Benefit Plans, Number of Union Sponsored Multiemployer Plans Defined Benefit Plans, Number of Union Sponsored Multiemployer Plans PEO Total Compensation Amount PEO Total Compensation Amount Hedging Relationship [Axis] Derivative Instruments, Gain (Loss) by Hedging Relationship [Axis] Hedging Relationship [Axis] Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Land Land Goodwill [Roll Forward] Goodwill [Roll Forward] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Level 3 Fair Value, Inputs, Level 3 [Member] Sundry Subsidiary Assets [Abstract] Subsidiary Assets [Abstract] Treasury stock (in shares) Beginning balance (in shares) Ending balance (in shares) Treasury Stock, Common, Shares 2024 Defined Benefit Plan, Expected Future Benefit Payment, Year One Goodwill, Percentage Of Fair value In Excess Of Carrying Value [Axis] Percentage Range [Axis] Percentage Range [Axis] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Diversified investments associated with the ESU program Investments, Fair Value Disclosure Fixed rate debt Long-Term Debt, Fair Value Income tax effect Other Comprehensive Income (Loss), Tax Net earnings (loss) attributable to Leggett & Platt, Inc. common shareholders Net Income (Loss) Net Income (Loss) Total current liabilities Liabilities, Current Derivative Contract [Domain] Derivative Contract [Domain] 2025 Finance Lease, Liability, to be Paid, Year Two Foreign Currency Translation Foreign Currency Transactions and Translations Policy [Policy Text Block] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Company Selected Measure Name Company Selected Measure Name Lease Obligations Lessee, Operating Leases [Text Block] Commercial paper outstanding (classified as long-term debt) Commercial Paper Accrued interest Interest Payable, Current Total debt Debt and Lease Obligation Acquired Finite-Lived Intangible Assets [Line Items] Acquired Finite-Lived Intangible Assets [Line Items] LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Contingent consideration, low range Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low Foreign currency exchange rate changes Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Derivative Instruments, Gain (Loss) [Table] Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Cost of goods sold Cost of Goods and Services Sold Income Tax Contingency [Table] Income Tax Contingency [Table] Vesting period in years Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Weighted average life in years for items acquired Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life Senior Notes, Due 2029 Senior Notes, Due 2029 [Member] Senior Notes, Due 2029 [Member] Currency cash flow hedges Foreign Exchange Contract [Member] Name Measure Name Line of credit facility, current borrowing capacity Line of Credit Facility, Current Borrowing Capacity Name Forgone Recovery, Individual Name Goodwill Net goodwill, beginning of period Net goodwill, end of period Goodwill Goodwill Goodwill Buildings and other Buildings and Improvements, Gross Measurement Basis [Axis] Measurement Basis [Axis] Underlying Securities Award Underlying Securities Amount Performance Stock Unit Awards EBIT CAGR Based Performance Stock Unit Awards E B I T C A G R Based [Member] Performance Stock Unit Awards E B I T C A G R Based Total non-vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested Total, Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested Total, Aggregate Intrinsic Value Accumulated Other Comprehensive Income (Loss) Comprehensive Income (Loss) Note [Text Block] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Forecast Forecast [Member] Cash dividends declared per share (in dollars per share) Common Stock, Dividends, Per Share, Declared Stock-based compensation Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Percent Operating lease liabilities Operating lease liabilities Operating Lease, Liability, Noncurrent Net (loss) gain (before tax) Net Loss Before Tax [Member] Net Loss (Before Tax) [Member] Maturities (in years) Debt Instrument, Term Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Reclassifications, pretax Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Fully vested shares available for issuance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested Total, Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested Total, Aggregate Intrinsic Value Income Statement Location [Axis] Income Statement Location [Axis] Assets: Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Liability for pension benefits Other long-term liabilities Liability, Defined Benefit Plan, Noncurrent Unamortized discounts and deferred loan costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Loss Contingencies Commitments and Contingencies, Policy [Policy Text Block] Common stock—authorized, 600.0 shares of $.01 par value; 198.8 shares issued; Preferred stock—authorized, 100.0 shares; none issued Common And Preferred Stock Value Common And Preferred Stock Value Schedule of Operating Leases, Schedule of Future Minimum Payments Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Dilutive effect of equity-based compensation (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment Change in benefit obligation Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Number of manufacturing facilities Number Of Manufacturing Facilities Number Of Manufacturing Facilities Europe Europe [Member] Vested (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value, Prior to Plan Modification Share-based Compensation Arrangements by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value, Prior to Plan Modification Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Cumulative undistributed earnings that are indefinitely reinvested Undistributed Earnings of Foreign Subsidiaries Product and Service [Domain] Product and Service [Domain] Other Performance Measure, Amount Other Performance Measure, Amount Schedule of Components of Lease Expense Lease, Cost [Table Text Block] Inventories Increase (Decrease) in Inventories Investing Activities Net Cash Provided by (Used in) Investing Activities [Abstract] To Be Settled With Stock Settled with Stock [Member] Settled with Stock [Member] Excess of without planned expenditures Debt Instrument, Debt Covenant, Cash Balance, Minimum Balance Debt Instrument, Debt Covenant, Cash Balance, Minimum Balance Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Plan Name [Domain] Plan Name [Domain] Taxes receivable, including income taxes Income Taxes Receivable, Current Less than 50% Less Than 50 Percent [Member] Less Than 50 Percent [Member] Deemed repatriation tax payable Repatriation Tax Payable, Noncurrent Repatriation Tax Payable, Noncurrent Interest expense Interest Expense Capital expenditures in accounts payable Capital Expenditures Incurred but Not yet Paid Maximum Number of Authorized Shares (in shares) Maximum shares under the plan (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Intangible assets acquired Finite-Lived Intangible Assets Acquired Trading Arrangement: Trading Arrangement [Axis] Estimates Use of Estimates, Policy [Policy Text Block] Other permanent differences, net Effective Income Tax Rate Reconciliation Permanent Differences Effective Income Tax Rate Reconciliation Permanent Differences Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Entity File Number Entity File Number Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Schedule of Share-based Compensation, Restricted Stock Units Award Activity Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] 2026 Long-Term Debt, Maturity, Year Three Auditor Firm ID Auditor Firm ID Amortization of intangibles Amortization of Intangible Assets Entity Shell Company Entity Shell Company Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Change in uncertain tax positions, net Effective Income Tax Rate Reconciliation, Tax Contingency, Percent Restatement Determination Date Restatement Determination Date Flexible Stock Plan Flexible Stock Plan [Member] Flexible Stock Plan [Member] Award Year 2021, PSU - EBIT CAGR Three Year Performance Cycle Award Year Two Thousand Twenty One, PSU EBIT CAGR [Member] Three Year Performance Cycle Award Year Two Thousand Twenty One, PSU EBIT CAGR Tax on undistributed earnings (primarily from Canada and China) Tax on Undistributed Earnings [Member] Tax on Undistributed Earnings [Member] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and Cash Equivalents—Beginning of Year Cash and Cash Equivalents—End of Year Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Target allocation (as a percent) Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage Prior year EBIT CAGR Based awards Earnings Before Interest and Taxes And Compound Annual Growth Rate [Member] Earnings Before Interest and Taxes And Compound Annual Growth Rate [Member] Variable lease costs Variable Lease, Cost Total operating lease costs Operating Lease, Cost Long-lived Asset Impairment Evaluation Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Common stock, shares issued (in shares) Common Stock, Shares, Issued Estimated Number of Shares (in shares) (less than) Number of shares distributed (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Less: current maturities Long-Term Debt and Lease Obligation, Current Less treasury stock—at cost (65.4 and 66.2 shares at December 31, 2023 and 2022, respectively) Treasury Stock, Common, Value Global Manufacturer Of Hydraulic Cylinders Global Manufacturer Of Hydraulic Cylinders [Member] Global Manufacturer Of Hydraulic Cylinders Total assets Assets, Fair Value Disclosure Assets: Diversified Investment Associated with the Stock-based Retirement Plans [Abstract] Diversified Investment Associated with the Stock-based Retirement Plans [Abstract] 2027 Long-Term Debt, Maturity, Year Four Industrial development bonds, principally variable interest rates Industrial Development Bonds Principally Variable Interest Rates [Member] Industrial development bonds, principally variable interest rates [Member] Foreign Currency Translation Adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Balance at beginning of period Balance at end of period SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount Allowance for doubtful accounts - other notes receivable Other Receivable, Allowance For Credit Loss, Current Other Receivable, Allowance For Credit Loss, Current Other, net Proceeds from (Payments for) Other Financing Activities Payout as a Percent of the Base Award Three year Performance Cycle Payout As A Percent Of The Base Award Three year performance cycle Payout as a percent of the base award. Comprehensive income (loss) attributable to Leggett & Platt, Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] 101-300% 101 to 300 Percent [Member] 101 to 300 Percent [Member] Schedule of Estimated Benefit Payments Schedule of Expected Benefit Payments [Table Text Block] Net funded status Defined Benefit Plan, Funded (Unfunded) Status of Plan Type of Adoption [Domain] Accounting Standards Update [Domain] Short-term lease costs Short-Term Lease, Cost Schedule of Components of Other expense (income), net Interest and Other Income [Table Text Block] Entity Address, Address Line One Entity Address, Address Line One Debt Covenant 2 Debt Covenant 2 [Member] Debt Covenant 2 To Be Settled In Cash Settled with Cash [Member] Settled with Cash [Member] Receivable Type [Axis] Receivable Type [Axis] Liabilities: Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Subsequent Event [Table] Subsequent Event [Table] Other Income (Expense) [Table] Other Income (Expense) [Table] Other Income (Expense) [Table] Payout of participants (as a percent) Share Based Compensation Arrangement By Share Based Payment Award Percentage Paying Of Participants Share Based Compensation Arrangement By Share Based Payment Award Percentage Paying Of Participants 2024 Finance Lease, Liability, to be Paid, Year One Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Net (loss) gain (before tax) beginning balance Net (loss) gain (before tax) ending balance Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax Subsequent Event Subsequent Event [Member] Summary of Other Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Other current liabilities Other current liabilities Other Liabilities, Current Interest expense limitation Deferred Tax Asset, Interest Carryforward Concentration Of Credit Risks, Exposures And Financial Instruments Concentration Of Credit Risks, Exposures And Financial Instruments, Policy [Policy Text Block] Concentration of credit risks, exposures and financial instruments, policy [Policy Text Block] Income Statement [Abstract] Income Statement [Abstract] Value-added taxes (VAT) recoverable Value Added Tax Receivable, Noncurrent 50-100% A 50 to 100 Percent [Member] A 50 to 100 Percent [Member] Defined Benefit Plan, Plan Assets, Category [Axis] Defined Benefit Plan, Plan Assets, Category [Axis] Gross goodwill Goodwill, Gross Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Accounts Payable Trade And Other Accounts Payable Policy [Policy Text Block] Trade And Other Accounts Payable Policy Bank time deposits with original maturities of three months or less Cash and Cash Equivalents, Fair Value Disclosure Derivative liabilities Derivative Liability ESU program Stock-based retirement plans Stock Based Retirement Plans [Member] Stock Based Retirement Plans [Member] Fully vested stock units outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested Total, Outstanding, including Plan Modification Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested Total, Outstanding, including Plan Modification Net earnings (loss) Net Income (Loss) Attributable to Parent [Abstract] Dividends payable Dividends Payable, Current Stock Units Converted To Common Stock Ratio Stock Units Converted To Common Stock Ratio Stock units converted to common stock ratio. Schedule of Supplemental Balance Sheet Information Supplemental Balance Sheet Information [Table Text Block] Supplemental balance sheet information [Table Text Block] Pension plan assets Other assets—sundry Assets for Plan Benefits, Defined Benefit Plan Maturities of Long-term Debt [Abstract] Maturities of Long-Term Debt [Abstract] Short term and long term debt Debt, Long-Term and Short-Term, Combined Amount Inventories Inventories Inventory, Net Outstanding stock units—unvested Stock Units, Unvested [Member] Stock Units, Unvested Time period for receiving plan distributions, max Share-based Compensation Arrangement by Share-based Payment Award, Time Period for Receiving Plan Distributions, Maximum Share-based Compensation Arrangement by Share-based Payment Award, Time Period for Receiving Plan Distributions, Maximum Financial Instrument [Axis] Financial Instrument [Axis] Other current and long-term assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Other Other Long-Term Liabilities Other long-term liabilities Total Shareholder Return Amount Total Shareholder Return Amount Purchases of common stock Payments for Repurchase of Common Stock Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Foreign Deferred Foreign Income Tax Expense (Benefit) Fixed income Fixed Income Funds [Member] Income tax change Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax Segments [Domain] Segments [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Pension benefit obligation (as a percent) Defined benefit plan pension benefit obligation US percentage Defined US benefit plan pension benefit obligation US percentage Consolidation Items [Domain] Consolidation Items [Domain] Retained earnings Retained Earnings (Accumulated Deficit) Long-term debt Debt Instrument, Face Amount ESUP participant contribution for stock or other investment purchases ESUP Participant Contribution For Stock Or Other Investment Purchases ESUP Participant Contribution For Stock Or Other Investment Purchases Current Assets Assets, Current [Abstract] Polish Manufacturer Polish Manufacturer [Member] Polish Manufacturer Total trade receivables Accounts Receivable, before Allowance for Credit Loss, Current Leases [Abstract] Leases [Abstract] Entity Address, State or Province Entity Address, State or Province Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Stable value funds Stable Value Fund [Member] Stable Value Fund [Member] Total Finance Lease, Liability, to be Paid Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Operating Activities Net Cash Provided by (Used in) Operating Activities [Abstract] Series of Individually Immaterial Business Acquisitions Series of Individually Immaterial Business Acquisitions [Member] Accounts and other receivables Increase (Decrease) in Accounts and Other Receivables Forward Interest Rate Swap Forward Interest Rate Swap [Member] Forward Interest Rate Swap Change in commercial paper and short-term debt Proceeds from Short-Term Debt Deferred Tax Asset Liability By Asset Class [Domain] Deferred Tax Asset Liability By Asset Class [Domain] Deferred Tax Asset Liability By Asset Class [Domain] Restricted Stock Unit (RSU) awards Restricted Stock Unit Awards [Member] Restricted Stock Unit Awards [Member] Prepaid income taxes and taxes receivable applied against the deemed repatriation tax liability Prepaid Income Taxes and Taxes Receivable (Recovered) Applied Against the Deemed Repatriation Tax Liability Prepaid Income Taxes and Taxes Receivable (Recovered) Applied Against the Deemed Repatriation Tax Liability Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Performance Based Units Table Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Performance Based Units [Table Text Block] Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Performance Based Units [Table Text Block] Other, net Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Class of Stock [Domain] Class of Stock [Domain] Senior Notes, Due 2024 Senior Notes, Due 2024 [Member] Senior Notes, Due 2024 [Member] Schedule of Inventory Schedule of Inventory, Current [Table Text Block] Other net tax expense (benefits) Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount Schedule of Allowance For Doubtful Accounts Schedule Of Allowance For Doubtful Accounts [Table Text Block] Schedule Of Allowance For Doubtful Accounts [Table Text Block] Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Effective tax rate Effective Income Tax Rate Reconciliation, Percent Total operating lease liabilities Lease liability Operating Lease, Liability Frozen Plans Frozen Plans [Member] Frozen Plans [Member] Schedule of Components Of Stock-Based Compensation Share-Based Payment Arrangement, Activity [Table Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Inventories Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Vesting [Domain] Vesting [Domain] Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Other current assets Increase (Decrease) in Prepaid Expense and Other Assets Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Charged to cost and expenses SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense Defined contribution plan, cost Defined Contribution Plan, Cost Work Furniture Group Work Furniture Group [Member] Work Furniture Group [Member] All Executive Categories All Executive Categories [Member] Compound Annual Growth Rate Range for Sales Compound Annual Growth Rate CAGR For Sales Compound annual growth rate range. Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Defined Benefit Pension Plans Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Plan Name [Axis] Plan Name [Axis] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Total tax benefits associated with stock-based compensation Share-Based Payment Arrangement, Expense, Tax Benefit Proceeds from interest rate treasury lock Proceeds from Derivative Instrument, Financing Activities Net earnings (loss) per share attributable to Leggett & Platt, Inc. common shareholders Earnings Per Share [Abstract] Forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures in Period, Weighted Average Grant Date Fair Value, Specified Ratio Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures in Period, Weighted Average Grant Date Fair Value, Specified Ratio Redemption price (as a percent) Debt Instrument, Redemption Price, Percentage Assets Measured at NAV Fair Value Measured at Net Asset Value Per Share [Member] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Uncertain tax positions Uncertain Tax Positions [Member] Uncertain Tax Positions [Member] Curtailments and settlements Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment Senior Notes Senior Notes [Member] Deferred Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Financing cash flows from finance leases Finance Lease, Principal Payments Options Options [Member] Options [Member] Schedule of Lessee, Operating Lease, Liability, Maturity Finance Lease, Liability, to be Paid, Maturity [Table Text Block] Global intangible low-taxed income (GILTI) Effective Income Tax Rate Reconciliation, GILTI, Percent Restricted cash Restricted Cash Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] All Individuals All Individuals [Member] Shares purchased since inception in 1982 (in shares) Shares purchased since inception in 1982 Shares purchased since inception in 1982 Equities Equity Funds [Member] Finance lease, right-of-use asset, statement of financial position [Extensible Enumeration] Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Entity Filer Category Entity Filer Category Goodwill value Goodwill, Fair Value Disclosure Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Statement [Table] Statement [Table] Additional consideration for acquisition of businesses Contingent consideration, liability, long-term Business Combination, Contingent Consideration, Liability, Noncurrent Current Fiscal Year End Date Current Fiscal Year End Date Schedule of Income Tax Expense, Earning (Loss) From Continuing Operations Percentage Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Total intrinsic value of vested stock units converted to common stock Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Fully Vested, Intrinsic Value, Total Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Fully Vested, Intrinsic Value, Total Unrecognized tax benefits Unrecognized Tax Benefits Number of stock units per common shares (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Stock Units per Common Share Share-based Compensation Arrangement by Share-based Payment Award, Number of Stock Units per Common Share PEO Name PEO Name Current and deferred foreign withholding taxes Effective Income Tax Reconciliation, Foreign Withholding Tax, Percent Effective Income Tax Reconciliation, Foreign Withholding Tax, Percent Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Accounts payable, third party programs Accounts Payable, Third Party Programs Accounts Payable, Third Party Programs 2029-2033 Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years 2022 and prior PSU awards 2022 And Prior Performance Stock Unit (PSU) Awards [Member] 2022 And Prior Performance Stock Unit (PSU) Awards Buildings Building [Member] Schedule of Changes In The Carrying Amounts Of Goodwill Schedule of Goodwill [Table Text Block] Foreign currency translation adjustment Goodwill, Translation and Purchase Accounting Adjustments Deductions SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction Other notes receivable Other Notes Receivable Current Other notes receivable current Net actuarial loss Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax Other Other Accrued Liabilities, Current SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] Average current liabilities included in segment numbers above Corporate, Non-Segment [Member] Schedule of Accumulated Other Comprehensive Income Schedule of Net Periodic Benefit Cost Not yet Recognized [Table Text Block] Furniture, Flooring & Textile Products Furniture Flooring And Textile Products [Member] Furniture Flooring And Textile Products Liabilities associated with stock-based compensation plans Share liabilities, current Deferred Compensation Share-Based Arrangements, Liability, Current Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Deferred Stock Compensation Program Deferred Stock Compensation Program [Member] Deferred Stock Compensation Program [Member] Stated percentage (as a percent) Debt Instrument, Interest Rate, Stated Percentage Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Total Leggett & Platt, Inc. equity Equity, Attributable to Parent Unrecognized tax benefits that would impact effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Schedule of Finite-Lived Intangible Assets by Major Class [Table] Schedule of Finite-Lived Intangible Assets [Table] Maximum tax carryforward expiring annually Operating Loss Carryforward, Maximum Expiring Annually Operating Loss Carryforward, Maximum Expiring Annually Accrued expenses Subsidiary Accrued Expenses [Abstract] Subsidiary Accrued Expenses [Abstract] Reporting Unit [Axis] Reporting Unit [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Expected life (in years) Vesting period in years Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Schedule of Components of Net Pension Expense (Income) Schedule of Defined Benefit Plans Disclosures [Table Text Block] Subsequent Events [Abstract] Earnings (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Non-Rule 10b51 Plans [Member] Non-Rule 10b51 Plans Other Expense (Income), Net Other Income and Other Expense Disclosure [Text Block] Mutual funds Mutual Fund [Member] Benefit from foreign tax withholdings Effective Income Tax Rate Reconciliation, Foreign Tax Withholdings Effective Income Tax Rate Reconciliation, Foreign Tax Withholdings Not designated as hedging instruments Not Designated as Hedging Instrument [Member] Hedging Designation [Domain] Hedging Designation [Domain] Other current liabilities Liability, Defined Benefit Plan, Current Level 2 Fair Value, Inputs, Level 2 [Member] Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration] Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration] Schedule of Loss (Gain) Of Hedging Activities Recorded In Income Derivative Instruments, Gain (Loss) [Table Text Block] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Other Risks Other Risks, Policy [Policy Text Block] Other risks, policy [Policy Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Useful Life Range Finite-Lived Intangible Asset, Useful Life Total program available Line of Credit Facility, Remaining Borrowing Capacity Accrued expenses and other current liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Discount to the market price, percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Discount from Market Price, Purchase Date 2027 Lessee, Operating Lease, Liability, to be Paid, Year Four Stock-based compensation Total stock-based compensation Share-Based Payment Arrangement, Noncash Expense Other Other Country [Member] Other country [Member] Schedule of Stock-based Compensation Assets and Liabilities Schedule of Stock-based Compensation Assets and Liabilities [Table Text Block] Schedule of Stock-based Compensation Assets and Liabilities [Table Text Block] City Area Code City Area Code Units Units [Member] Units [Member] Product and Service [Axis] Product and Service [Axis] Earnings (Loss) Per Share (EPS) Earnings Per Share [Text Block] Long-lived asset impairment Effective Income Tax Rate Reconciliation, Long-Lived Asset Impairment, Percent Effective Income Tax Rate Reconciliation, Long-Lived Asset Impairment, Percent Document Fiscal Year Focus Document Fiscal Year Focus Aggregate Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] Geographical [Domain] Geographical [Domain] Sales promotions Accrued Marketing Costs, Current Customer deposits Deposits Bedding Products Bedding Products [Member] Bedding Products Receivables [Abstract] Receivables [Abstract] Schedule of Intangible Assets Purchased Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block] Exercise Price Award Exercise Price Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Total liabilities Liabilities, Fair Value Disclosure Derivative financial instruments Derivative Financial Instruments, Assets [Member] Net earnings (loss) Net earnings (loss) Net earnings (loss) attributable to Leggett & Platt, Inc. common shareholders Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Schedule of Fair Value of Pension Plan Assets Fair Value, Assets Measured on Recurring Basis [Table Text Block] Aerospace Products Aerospace Products [Member] Aerospace Products [Member] Number of lenders in syndicate Number Of Lenders In Syndicate Number Of Lenders In Syndicate Operating leases not yet commenced Lessee, Operating Lease, Lease Not Yet Commenced, Liability Lessee, Operating Lease, Lease Not Yet Commenced, Liability Property, plant and equipment Property, Plant and Equipment [Member] TOTAL LIABILITIES AND EQUITY Liabilities and Equity Sundry Sundry Other Assets, Noncurrent Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Intangible assets Intangible Assets [Member] Intangible Assets [Member] Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Debt Covenant, Covenant Scenario [Axis] Debt Covenant, Covenant Scenario [Axis] Debt Covenant, Covenant Scenario Operating lease right-of-use assets Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Restructuring Costs Costs Associated with Exit or Disposal Activity or Restructuring [Policy Text Block] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Foreign Current Foreign Tax Expense (Benefit) Time period for installment distributions, max Share-based Compensation Arrangements by Share-based Payment Award, Time Period for Installment Distributions, Maximum Share-based Compensation Arrangements by Share-based Payment Award, Time Period for Installment Distributions, Maximum Restructuring and related cost, expected cost Restructuring and Related Cost, Expected Cost Discount rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Finance lease, liability, current, statement of financial position [Extensible Enumeration] Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Arrangement Duration Trading Arrangement Duration Other receivables, net Other Receivables, Net, Noncurrent Other Receivables, Net, Noncurrent Entity Address, City or Town Entity Address, City or Town Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Plan participants’ contributions Defined Benefit Plan, Plan Assets, Contributions by Plan Participant Schedule of Segment Results From Continuing Operations Schedule of Segment Reporting Information, by Segment [Table Text Block] Treasury stock issued, (in shares) Stock Issued During Period, Shares, Treasury Stock Reissued Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period, Specified Ratio Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period, Specified Ratio Weighted-average remaining contractual life Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Supplemental Balance Sheet Information Supplemental Balance Sheet Disclosures [Text Block] Performance Stock Unit Awards Performance Stock Unit Awards TSR [Member] Performance Stock Unit Awards TSR [Member] Restructuring charges Restructuring Charges Other receivables Other Receivables, Gross, Current Impairment Charges Asset Impairment Charges [Text Block] Total finance lease costs Finance Lease, Cost Finance Lease, Cost Purchase of remaining interest in noncontrolling interest Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Termination Date Trading Arrangement Termination Date Senior Notes, Due 2012 Senior Notes, Due 2012 [Member] Senior Notes, Due 2012 Common stock, shares authorized (in shares) Common Stock, Shares Authorized Debt Covenant, Covenant Scenario [Domain] Debt Covenant, Covenant Scenario [Domain] Debt Covenant, Covenant Scenario Flooring & Textile Products Group Flooring And Textile Products Group [Member] Flooring And Textile Products Group Proceeds from sales of assets and businesses Proceeds From Disposals Of Assets And Businesses Proceeds From Disposals Of Assets And Businesses Adjustments to reconcile net earnings to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Award Timing Disclosures [Line Items] Schedule of Flexible Stock Plan Options Flexible Stock Plan Options [Table Text Block] Flexible Stock Plan Options Title of Individual [Domain] Title of Individual [Domain] Deferred income taxes beginning balance Deferred income taxes ending balance Deferred Taxes For Defined Benefit Plans Accumulated Other Comprehensive Income Deferred Taxes For Defined Benefit Plans Accumulated Other Comprehensive Income Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Sundry Deferred Income Tax Assets, Sundry Deferred Income Tax Assets, Sundry Less: comprehensive income attributable to noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest (Gain) loss from diversified investments associated with the ESU program Gain (Loss) on Investments Plan amendments Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment Executive Officer Executive Officer [Member] Total other assets Assets, Noncurrent, Other than Noncurrent Investments and Property, Plant and Equipment Share based payment award was granted Share Based Compensation Arrangement By Share Based Payment Award Was Granted Share Based Compensation Arrangement By Share Based Payment Award Was Granted Short-term Debt, Type [Axis] Short-Term Debt, Type [Axis] Income Taxes Income Tax, Policy [Policy Text Block] Current maturities of long-term debt and short-term debt Debt, Current Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Three Insider Trading Arrangements [Line Items] Basic and diluted EPS Earnings Per Share Basic And Diluted EPS [Abstract] Earnings Per Share Basic And Diluted EPS Gain on the sale of real estate Gains (Losses) on Sales of Other Real Estate Patents and trademarks Intellectual Property [Member] Entity Registrant Name Entity Registrant Name Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Award Timing Method Award Timing Method [Text Block] Granted based on current service (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value, Prior to Plan Modification Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value, Prior to Plan Modification Tax effect of foreign operations Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Two Adjustment to Compensation, Amount Adjustment to Compensation Amount Tranche Two Share-Based Payment Arrangement, Tranche Two [Member] Cost of goods sold Cost of Sales [Member] Reduction to contingent purchase price liability (See Note Q) Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Employee termination costs Employee Severance [Member] Noncontrolling interest Equity, Attributable to Noncontrolling Interest Auditor Name Auditor Name Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Less accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Schedule of Fair Value Measures of Financial Assets and Liabilities Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Entity Central Index Key Entity Central Index Key Granted based on future conditions (in shares) Share-based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other Than Options, Grants In Period For Future Conditions, Shares, Based on Future Conditions Share-based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other Than Options, Grants In Period For Future Conditions, Shares, Based on Future Conditions Liabilities Liabilities, Fair Value Disclosure [Abstract] Total derivative instruments Derivative, Gain (Loss) on Derivative, Net Total stock-related compensation expense (income) Share-Based Payment Arrangement, Expense Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Finished goods Inventory, Finished Goods, Net of Reserves Accounts receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Additional employer match upon certain profitability levels, percentage Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Employees Contribution Comprising Employers Additional Contribution Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Employees Contribution Comprising Employers Additional Contribution Net reserves for tax contingencies Unrecognized Tax Benefits, Net Unrecognized Tax Benefits, Net Name Trading Arrangement, Individual Name Discount Stock Plan Discount Stock Plan [Member] Discount Stock Plan [Member] COVID-19 government subsidies and business interruption policy Unusual or Infrequent Item, or Both, Other Operating Income (Expense) Unusual or Infrequent Item, or Both, Other Operating Income (Expense) Net trade sales Trade sales Revenue from Contract with Customer, Excluding Assessed Tax Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Amendment Flag Amendment Flag Customer-related intangibles Customer-Related Intangible Assets [Member] Fair value hedges Fair Value Hedging [Member] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Deferred tax assets, intangible assets Deferred Tax Assets, Goodwill and Intangible Assets Average 2023 purchase price per share (net of discount) (in dollars per share) Average Price Per Share Employee Purchase Net Of Discount Average price per share employee purchase net of discount. Operating leases (as a percent) Operating Lease, Weighted Average Discount Rate, Percent SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] Interest paid (net of amounts capitalized) Interest Paid, Excluding Capitalized Interest, Operating Activities Non-service pension income Non-Service Pension Income (Expense) Non-Service Pension Income (Expense) Assets Assets, Fair Value Disclosure [Abstract] Acquisitions Business Combinations Policy [Policy Text Block] Finance leases (In years) Finance Lease, Weighted Average Remaining Lease Term Finance lease, liability, noncurrent, statement of financial position [Extensible Enumeration] Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Net deferred tax liability Deferred Tax Liabilities, Net Actual return on plan assets Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) Weighted average number of common shares and dilutive potential common shares used in diluted EPS (in shares) Weighted Average Number of Shares Outstanding, Diluted Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Allocations to divested businesses Goodwill, Written off Related to Sale of Business Unit Additions to property, plant and equipment Payments to Acquire Property, Plant, and Equipment Company Selected Measure Amount Company Selected Measure Amount Accounting Standards Update 2016-13 Accounting Standards Update 2016-13 [Member] 2027 Defined Benefit Plan, Expected Future Benefit Payment, Year Four Operating lease costs: Lease, Cost [Abstract] Total trade receivables Accounts Receivable, before Allowance for Credit Loss, Noncurrent TOTAL ASSETS Assets Assets Name Awards Close in Time to MNPI Disclosures, Individual Name Other Other Deferred Tax Assets Liabilities [Member] Other Deferred Tax Assets Liabilities [Member] Thereafter Finance Lease, Liability, to be Paid, after Year Five Treasury stock issued Stock Issued During Period, Value, Treasury Stock Reissued Stock-based compensation, net of tax APIC, Share-Based Payment Arrangement, Increase for Cost Recognition 2028 Long-Term Debt, Maturity, Year Five Difference between average assets and year-end balance sheet Segment Reconciling Items [Member] Operating cash flows from finance leases Finance Lease, Interest Payment on Liability Granted based on current service (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Based on Current Service Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Based on Current Service Non-NEOs Non-NEOs [Member] Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Defined Benefit Plan, Plan Assets, Category [Domain] Defined Benefit Plan, Plan Assets, Category [Domain] Current liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities Pension Plan Pension Plan [Member] Financing Activities Net Cash Provided by (Used in) Financing Activities [Abstract] Non-PEO NEO Non-PEO NEO [Member] Adjustment to Compensation: Adjustment to Compensation [Axis] Other - primarily timing differences between employee withholdings and related employer contributions to be submitted to various plans' trust accounts, current Other Deferred Compensation Arrangements, Liability, Current Allowance for doubtful accounts - trade receivables Accounts Receivable, Allowance for Credit Loss, Noncurrent Scenario [Axis] Scenario [Axis] Debt Instrument [Line Items] Debt Instrument [Line Items] Weighted average number of common shares used in basic EPS (in shares) Weighted Average Number of Shares Outstanding, Basic Bonds Bonds [Member] Schedule of Short-term Debt [Table] Schedule of Short-Term Debt [Table] Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Diversified investments associated with stock-based compensation plans Diversified investments associated with the ESU program, long-term Diversified investments associated with the Executive Stock Unit Program, Noncurrent Diversified investments associated with the Executive Stock Unit Program, Noncurrent Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Statement [Line Items] Statement [Line Items] Deferred tax liabilities, intangible assets Deferred Tax Liabilities, Intangible Assets Resulting provisional incremental tax expense Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries Noncontrolling Interest Noncontrolling Interest [Member]