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Schedule of Current and Noncurrent Fair Value of Outstanding Derivatives Designated as Cash Flow Hedging Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 995905 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Shedule of Outstanding Derivative Instruments Recognized in Accumulated other comprehensive loss (Details) link:presentationLink link:calculationLink link:definitionLink 995915 - Disclosure - LEGAL PROCEEDINGS, COMMITMENTS AND CONTINGENCIES - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995925 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE LOSS - Changes in Amounts Included in Our Accumulated Other Comprehensive Loss (Details) link:presentationLink link:calculationLink link:definitionLink 995935 - Disclosure - SHARE-BASED COMPENSATION - Schedule of Share-Based Compensation Activity (Details) link:presentationLink link:calculationLink link:definitionLink 995945 - Disclosure - SHARE-BASED COMPENSATION - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995955 - Disclosure - SHARE-BASED COMPENSATION - Weighted Average Assumptions Used in Estimating the Value of Performance Share Units Granted (Details) link:presentationLink link:calculationLink link:definitionLink 995965 - Disclosure - OTHER OPERATING COSTS, NET - Other Operating Costs, Net (Details) link:presentationLink link:calculationLink link:definitionLink 995975 - Disclosure - INCOME TAXES - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995985 - Disclosure - TIMBERLAND DIVESTITURES - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995995 - Disclosure - PRINCETON LUMBER MILL DIVESTITURE (Additional Information) (Details) link:presentationLink link:calculationLink link:definitionLink Customer rebates, volume discounts and deferred income. Customer Rebates Volume Discounts And Deferred Income Customer rebates, volume discounts and deferred income Retirement Plan Type [Axis] Retirement Plan Type Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Unrealized gain on cash flow hedges Segments [Domain] Segments Engineered Solid Section [Member] Engineered Solid Section [Member] Engineered solid section Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Statement of Financial Position Location, Balance [Domain] Logs and Chips [Member] Logs And Chips [Member] Logs Long-term debt, net (Note 8) Long-Term Debt, Excluding Current Maturities Long-Term Debt, Excluding Current Maturities, Total Entity Current Reporting Status Entity Current Reporting Status Commitments and Contingencies Disclosure [Text Block] LEGAL PROCEEDINGS, COMMITMENTS AND CONTINGENCIES Cash Flow Hedging [Member] Cash Flow Hedging Common Stock, Shares Authorized Common shares, authorized Lumber, plywood, oriented strand board, fiberboard and engineered wood products. Lumber, Plywood, Oriented Strand Board, Fiberboard And Engineered Wood Products [Member] Lumber, plywood, oriented strand board, fiberboard and engineered wood products Product and Service [Axis] Product and Service Document Fiscal Period Focus Document Fiscal Period Focus Debt instrument, interest rate, stated percentage Debt Instrument, Interest Rate, Stated Percentage Revenue from Contract with Customer [Abstract] Entity Shell Company Entity Shell Company Real estate sales [Member] Realestatesales [Member] Real Estate Other Accrued Liabilities, Current Other Repayments Of Long Term Debt Excluding Related Party Debt Repayments of long term debt excluding related party debt. Payments on long-term debt (Note 8) Cash and Cash Equivalent Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value, Total Common Stock, Shares, Issued Common shares, issued Statement [Table] Statement [Table] South [Member] South [Member] South Receivables, net Increase (Decrease) in Receivables Increase (Decrease) in Receivables, Total Proceeds from debt, net of issuance costs Proceeds from Debt, Net of Issuance Costs Statement [Line Items] Statement [Line Items] Entity Filer Category Entity Filer Category Reclassification, Comparability Adjustment [Policy Text Block] Reclassifications Common Stock, Value, Outstanding Common shares: $1.25 par value; authorized 1,360 million shares; issued and outstanding: 720,692 thousand shares at June 30, 2026 and 720,531 thousand shares at December 31, 2025 Liabilities and Equity Total liabilities and equity Asset Held For Sale Consideration Asset held for sale consideration. Asset held for sale consideration Hedging Relationship [Axis] Prepaid Expenses and Other Current Assets [Member] Prepaid Expenses and Other Current Assets Product remediation insurance recovery Product Remediation Insurance Recovery Product remediation insurance recovery. Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent U.S. federal statutory income tax rate Defined Benefit Plan, Benefit Obligation, Period Increase (Decrease) Defined Benefit Plan, Benefit Obligation, Period Increase (Decrease), Total Adjustments to fair value of assets Current portion of lease liabilities. Current Portion Of Lease Liabilities Current portion of lease liabilities PRINCETON LUMBER MILL DIVESTITURE Assets Held For Sale [Text Block] Assets held for sale. Other Other Noncash Income (Expense) Other Noncash Income (Expense), Total Other Stock options Geographical [Domain] Geographical Proceeds from Sale, Property, Held-for-Sale Proceeds from lumber mill sale (Note 16) Reconciliation of Net Contribution to Earnings to Net Earnings (Loss) Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Schedule of Inventory, Current [Table Text Block] Inventories Engineered I-joists [Member] Engineered Ijoists [Member] Engineered I-joists Additional Paid in Capital, Common Stock Other capital Share Repurchase Program [Axis] Share Repurchase Program Disaggregation of Revenue [Table] Disaggregation Of Revenue [Table] Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Dilutive Potential Common Shares Increase (Decrease) in Other Operating Assets and Liabilities, Net Other Increase (Decrease) in Other Operating Assets and Liabilities, Net, Total 7.95% debentures due 2025 7.95 percent debentures due 2025 A795 Percent Debentures Due2025 [Member] A795 Percent Debentures Due2025 Environmental Exit Costs, Assets Previously Disposed, Liability for Remediation Accrued estimated remediation costs Earnings Per Share, Basic Earnings per share, basic (Note 4) Earnings per share, basic Earnings Per Share, Basic, Total Disaggregation of Revenue [Table Text Block] Revenue by Major Products This element represents the income or (loss) from continuing operations (before interest expense) attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before, interest expense, income taxes, extraordinary items, and noncontrolling interest. Net Contribution To Earnings Net contribution (charge) to earnings Net contribution to earnings Net contribution (charge) to earnings Retirement Benefits [Text Block] PENSION AND OTHER POST-EMPLOYMENT BENEFIT PLANS Share-Based Payment Arrangement, Noncash Expense [Abstract] Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Gain on sale of assets Export sales. Export Sales [Member] Export grade sales Revolving Credit Facility [Member] Senior Unsecured Revolving Credit Facility Retirement Plan Type [Domain] Retirement Plan Type Liabilities, Current Total current liabilities Hedging Designation [Domain] Share Repurchase Program [Domain] Share Repurchase Program Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Consolidation Items [Domain] Consolidation Items Equity, Attributable to Parent [Abstract] Equity: Entity Small Business Entity Small Business Hedging Designation [Axis] Retained Earnings (Accumulated Deficit) Retained earnings Retained Earnings (Accumulated Deficit), Total Share-Based Payment Arrangement [Text Block] SHARE-BASED COMPENSATION Recreational and other lease revenue [Member] Recreationalandotherleaserevenue [Member] Recreational and other lease revenue Organization, Consolidation and Presentation of Financial Statements [Abstract] The amount of FIFO (first in first out) inventory and moving average cost inventory present at the reporting date when inventory is valued using different valuation methods. F I F O And Moving Average Cost Methods Inventories Moving average cost or FIFO inventories Construction in progress. Construction In Progress Construction in progress Amendment Flag Amendment Flag Product and Service [Domain] Product and Service Schedule of Other Operating Cost and Expense, by Component [Table Text Block] Other Operating Costs, Net Long-Lived Asset, Held-for-Sale, Type [Axis] Inventory Disclosure [Text Block] INVENTORIES Earnings Per Share, Policy [Policy Text Block] Earnings Per Share Entity Address, Postal Zip Code Entity Address, Postal Zip Code Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Net cash from operations Common Stock [Member] Common shares: Hedging Relationship [Domain] Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property and equipment, accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance Other Operating Income (Expense), Net Total other operating (income) costs, net Other operating costs, net (Note 13) Total other operating costs, net Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Schedule of Current and Noncurrent Fair Value of Outstanding Derivatives Designated as Cash Flow Hedging Instruments Entity Address, Address Line One Entity Address, Address Line One Earnings Per Share [Abstract] Cash paid during the period for: Supplemental Cash Flow Information [Abstract] Stumpage and pay-as-cut timber [Member] Stumpageandpayascuttimber [Member] Stumpage and pay-as-cut timber Other Liabilities [Member] Other Liabilities Statement of Financial Position Location, Balance [Axis] Increase (Decrease) in Income Taxes Receivables and payables for taxes Inventory Disclosure [Abstract] Document Type Document Type Income Taxes Paid, Net Income taxes, net of refunds Income Taxes Paid, Net, Total Gross Profit Gross margin Entity Central Index Key Entity Central Index Key Line of Credit Facility [Table] Liability, Pension and Other Postretirement and Postemployment Benefits, Noncurrent Deferred pension and other post-employment benefits (Note 6) Liability, Pension and Other Postretirement and Postemployment Benefits, Noncurrent, Total 2025 Repurchase Program Twenty Twenty Five Repurchase Program [Member] Twenty twenty five repurchase program. Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Tax Changes in unamortized net prior service credit, net of tax expense of $0, $0, $0 and $0 Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Net change in cash, cash equivalents and restricted cash Subsequent Event Type [Domain] Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Potential shares not included in the computation of diluted earnings (loss) per share Common Stock, Par or Stated Value Per Share Common shares, par value Other comprehensive income Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Total other comprehensive income Liabilities [Abstract] LIABILITIES AND EQUITY Debt Disclosure [Abstract] Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Total Total Unrealized gain on cash flow hedges Unrealized net gain on cash flow hedges, net of tax expense of $1, $0, $2 and $0 (Note 9) Non-Operating pension and other postretirement benefit (costs) credits. Non Operating Pension And Other Post Retirement Benefit Costs Credits Non-operating pension and other post-employment benefit costs (Note 6) Derivative, Notional Amount Aggregate notional amount Accrued liabilities (Note 7) Accrued Liabilities, Current Total Current Fiscal Year End Date Current Fiscal Year End Date Debt instrument maturity period Debt Instrument Maturity Period Debt instrument maturity period Document Quarterly Report Document Quarterly Report Entity Address, State or Province Entity Address, State or Province Comprehensive Income (Loss), Net of Tax, Attributable to Parent Total comprehensive income Oregon OREGON Percentage of component blended payout capped Percentage of component blended payout capped. Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Dilutive potential common shares Inventory [Axis] Inventory Geographical [Axis] Geographical Non Rule 10b51 Arr Modified Flag Non rule 10b51 arr modified flag. Medium density fiberboard [Member] Mediumdensityfiberboard [Member] Medium density fiberboard Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Tax Changes in unamortized net prior service cost, tax benefit Stock Issued During Period, Value, Stock Options Exercised Issued for exercise of stock options and vested units Performance Shares [Member] Performance share units Deferred Income Tax Assets, Net Deferred tax assets Other Postretirement Benefits Plan [Member] Other Post-Employment Benefits FAIR VALUE (LEVEL 2) Long-Term Debt, Fair Value Long-term fixed rate debt (including current maturities), fair value (level 2) Subsequent Event [Member] Subsequent Event Amounts reclassified from accumulated other comprehensive loss to earnings Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Amounts reclassified from accumulated other comprehensive loss to earnings Other Assets, Noncurrent Other assets Segment Reconciliation [Abstract] Unsecured Debt Unsecured Debt, Total Unsecured term loan Antidilutive Securities [Axis] Antidilutive Securities 8.50 percent debentures due 2025 A850 Percent Debentures Due2025 [Member] A850 Percent Debentures Due2025 8.50% debentures due 2025 Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract] AOCI Attributable to Parent [Member] Accumulated other comprehensive loss: Accumulated Other Comprehensive Loss Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract] Senior Unsecured Debt Unsecured Debt [Member] Inventory, Other Products [Member] Inventory Other Products [Member] Other products Minimum [Member] Minimum [Member] Minimum Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted average grant-date fair value Derivative Asset, Subject to Master Netting Arrangement, before Offset DERIVATIVE ASSETS Assets, Current [Abstract] Current assets: Timberlands [Member] Timberlands [Member] Timberlands Interest Paid, Capitalized, Investing Activity Interest, amount capitalized Segment Reporting [Abstract] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Estimated Fair Values and Carrying Values of Long-Term Debt Liabilities, Current [Abstract] Current liabilities: Rule 10b51 Arr Modified Flag Rule 10b51 arr modified flag. Rule 10b51 Arrangement Modified Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax, Total Total unrealized gain on cash flow hedges Accounts Receivable, after Allowance for Credit Loss, Current Receivables, net Accounts Receivable, after Allowance for Credit Loss, Current, Total Interest and other income loss. Interest And Other Income Loss Interest income and other Climate Solutions [Member] Climate solutions. Climate solutions Notes and Loans Payable Long-term fixed rate debt (including current maturities), carrying value Notes and Loans Payable, Total CARRYING VALUE Commitments and Contingencies Commitments and contingencies (Note 10) Defined Benefit Plan, Service Cost Service cost Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax Changes in unamortized actuarial loss, tax expense Fixed interest rate [Member] Fixedinterestrate [Member] Fixed rate Short-Term Debt Short-Term Debt, Total Notes outstanding Segment Reporting, Asset Reconciling Item [Line Items] Current maturities of long-term debt (Note 8) Long term debt excluding lines of credit current. Long Term Debt Excluding Lines Of Credit Current Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net earnings Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total Reconciliation of Assets from Segment to Consolidated [Table Text Block] Total Assets Long-Term Debt, Type [Domain] Weighted Average Number of Shares Outstanding, Basic Basic Weighted Average Number of Shares Outstanding, Basic, Total Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Segments [Axis] Segments Unrealized net gain on cash flow hedges, tax expense Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax, Total Long-Term Debt Long-Term Debt, Total Long Term Debt APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Share-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition, Total Total equity Equity, Attributable to Parent Balance at end of period Balance at beginning of period Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Gain (Loss), Foreign Currency Transaction, before Tax Gain (Loss), Foreign Currency Transaction, before Tax, Total Foreign exchange gains, net Foreign exchange gains, net Fair Value Disclosures [Text Block] FAIR VALUE OF FINANCIAL INSTRUMENTS Domestic [Member] Domestic [Member] Domestic grade sales Schedule of Accrued Liabilities [Table Text Block] Accrued Liabilities Debt Instrument, Name [Domain] Debt Instrument, Name Inventory, Current [Table] Inventory Current [Table] Other segment items Segment Reporting, Other Segment Item, Amount Interest Expense, Operating and Nonoperating Interest expense, net of capitalized interest Interest Expense, Total Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] FAIR VALUE OF FINANCIAL INSTRUMENTS Credit Facility [Axis] Credit Facility Cost of Product and Service Sold Costs of sales Cost of Goods and Services Sold, Total Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items] 7.70 percent debentures due 2026 A770 Percent Debentures Due2026 [Member] A770 Percent Debentures Due2026 7.95% debentures due 2026 Pension Plan [Member] Pension Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax Changes in unamortized actuarial loss, net of tax expense of $3, $2, $6 and $5 Entity Address, City or Town Entity Address, City or Town Stock Repurchased During Period, Shares Shares repurchased during period West [Member] West [Member] West Security Exchange Name Security Exchange Name Credit Facility [Domain] Credit Facility Share Based Compensation Arrangement by Share Based Payment Award, Outstanding Award as Percentage of Shares Issued Final Number Of Shares Awarded Of Each Grants Target Final number of shares awarded of each grant's target Accumulated other employment benefit plans defined benefit plans adjustment. Accumulated Other Post Employment Benefit Plans Defined Benefit Plans Adjustment [Member] Other Post-Employment Benefits Structural lumber [Member] Structurallumber [Member] Structural lumber Debt, Weighted Average Interest Rate Weighted average interest rate Intersegment Eliminations [Member] Intersegment eliminations Earnings before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Outstanding Derivative Instruments Recognized in Accumulated Other Comprehensive Loss Accrued Liabilities [Member] Accrued Liabilities Antidilutive Securities, Name [Domain] Antidilutive Securities, Name Inventory, Net Inventories (Note 5) Total Inventory, Net, Total Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Cash, cash equivalents and restricted cash at end of period Cash, cash equivalents and restricted cash at beginning of period Total cash, cash equivalents and restricted cash Interest Paid, Excluding Capitalized Interest, Operating Activity Interest, net of amount capitalized of $3 and $3 Statistical Measurement [Domain] Statistical Measurement Number Of Reportable Segments Not Disclosed Flag Number of reportable segments not disclosed flag. Number of reportable segments not disclosed Assets, Current Total current assets Document Period End Date Document Period End Date Timberlands and Strategic Land Solutions [Member] Timberlands and strategic land solutions. Timberlands and Strategic Land Solutions Translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Foreign currency translation adjustments Statement of Financial Position [Abstract] Restricted Stock Units (RSUs) [Member] Restricted stock units Other products [Member] Otherproducts [Member] Other Component of Operating Income [Abstract] Antidilutive Security, Excluded EPS Calculation [Table] Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Other comprehensive income (loss): Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation [Abstract] 7.85 percent debentures due 2026 A785 Percent Debentures Due2026 [Member] 7.85% Debentures due2026 Virginia VIRGINIA Liabilities Total liabilities 4.75 percent notes due 2026 A475 Percent Debentures Due2026 [Member] A475 percent debentures due2026. Timber and timber lands at cost, less depletion. Timber And Timber Lands At Cost Less Depletion Timber and timberlands at cost, less depletion Proceeds from Issuance of Commercial Paper Net Proceeds from issuance of commercial paper (Note 8) Defined Benefit Plan, Expected Return (Loss) on Plan Assets Expected return on plan assets Disposal Groups, Including Discontinued Operations [Table] Foreign Exchange Forward [Member] Foreign Exchange Forward Weighted Average Number of Shares Outstanding, Diluted Diluted Diluted Accumulated Translation Adjustment And Other [Member] Accumulated Translation Adjustment And Other [Member] Translation Adjustments and Other Securities Act File Number Entity File Number Payments of Ordinary Dividends, Common Stock Cash dividends on common shares Cover [Abstract] Other Expenses Other, net Increase (Decrease) in Accounts Payable and Accrued Liabilities Accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total Unsettled share repurchases shares. Unsettled Share Repurchases Shares Unsettled share repurchases, shares Segment Reporting Disclosure [Text Block] BUSINESS SEGMENTS General and Administrative Expense General and administrative expenses General and Administrative Expense, Total Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Business Combination and Asset Acquisition [Abstract] Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Unallocated items Unallocated Items Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract] Noncash charges (credits) to earnings: Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period Shares issued during period, net of tax Inventory Raw Materialsand Supplies [Member] Materials and supplies Inventory, Raw Materials and Supplies [Member] Percent Of Taxable REIT Subsidiaries Securities Percent of taxable REIT subsidiaries securities. Percent of taxable REIT subsidiaries securities Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Comprehensive Income (Loss) Note [Text Block] ACCUMULATED OTHER COMPREHENSIVE LOSS Risk-free rate minimum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Net proceeds from issuance of long-term debt (Note 8) Proceeds from Issuance of Long-Term Debt Proceeds from Issuance of Long-Term Debt, Total Long-Lived Assets Held-for-Sale, Name [Domain] Common Stock, Shares, Outstanding Common shares, outstanding Common Stock, Shares, Outstanding, Beginning Balance Common Stock, Shares, Outstanding, Ending Balance Depreciation, Depletion and Amortization Depreciation, depletion and amortization Depreciation, Depletion and Amortization, Total Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Amortization of prior service cost (credit) Document Transition Report Document Transition Report Accrued Liabilities, Current [Abstract] Research and Development Expense Research and development expenses Research and Development Expense, Total Payments for Repurchase of Common Stock Shares repurchased during period value Repurchases of common shares (Note 4) Statement of Cash Flows [Abstract] Reconciliation of Assets from Segment to Consolidated [Table] Interest Rate Swap [Member] Interest Rate Swap Interest Rate Swaps Earnings Per Share [Text Block] NET EARNINGS PER SHARE AND SHARE REPURCHASES Discontinued Operations and Disposal Groups [Abstract] Net earnings Net earnings Increase (Decrease) in Inventories Inventories Increase (Decrease) in Inventories, Total Inventory [Line Items] Inventory [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award, Additional General Disclosures [Abstract] Income Taxes Receivable, Current Receivables for taxes Payment for Pension and Other Postretirement Benefits, Total Payment for Pension and Other Postretirement Benefits Pension and post-employment benefit contributions and payments Proceeds from (Payment for) Other Financing Activity Other Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Earnings Per Share Basic [Line Items] Variable interest rate Member Variable interestrate Member Variable rate Oriented Strand Board [Member] Oriented Strand Board [Member] Oriented strand board Line of Credit Facility [Line Items] Proceeds from divestiture of business Proceeds from Divestiture of Businesses Assets [Abstract] ASSETS Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other current assets Repayments of Debt Repayments of debt Document Fiscal Year Focus Document Fiscal Year Focus Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Changes in Amounts Included in Our Accumulated Other Comprehensive Loss Other Assets Other Assets [Member] Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Cash flows from investing activities: Payments for capital expenditures of property plant and equipment. Payments For Capital Expenditures Of Property Plant And Equipment Capital expenditures for property and equipment Accounts Payable, Current Accounts payable Accounts Payable, Current, Total 7.35 percent debentures due 2026 A735 Percent Debentures Due2026 [Member] 7.35% Debentures due 2026 Adjustments to Additional Paid in Capital, Other Other transactions, net Schedule of Net Benefit Costs [Table Text Block] Components of Net Periodic Benefit Cost Income Taxes [Table] Income taxes. Share Based Compensation Arrangement by Share Based Payment Award, Performance Period. Share Based Compensation Arrangement By Share Based Payment Award Performance Period Performance period Commitments and Contingencies Disclosure [Abstract] Income Taxes [Line Items] Income taxes. Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Gain (Loss) on Disposition of Oil and Gas and Timber Property Gain (Loss) on Disposition of Oil and Gas and Timber Property, Total Gain on sale of timberlands Gain on sale of timberlands (Note 15) Gain on sale of timberlands (Note 15) Debt Instrument [Axis] Debt Instrument Unsecured Debt One [Member] Unsecured Debt One. Senior Unsecured Debt One Derivative Instrument [Axis] Interest cost Defined Benefit Plan, Interest Cost Share-Based Payment Arrangement [Abstract] Net Sales to Unaffiliated Customers Net sales to unaffiliated customers. Net sales to unaffiliated customers Total sales Net sales Net sales (Note 3) Revenues, Total Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Net cash from investing activities Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax, Total Gain on sale of discontinued operations Property, Plant and Equipment, Additions Capital expenditures Title of 12(b) Security Title of 12(b) Security Employee-related Liabilities Compensation and employee benefit costs Employee-related Liabilities, Total Share Repurchase Program, Remaining Authorized, Amount Stock repurchase program, remaining authorized repurchase amount Income Tax Disclosure [Text Block] INCOME TAXES Delivered logs [Member] Deliveredlogs [Member] Delivered logs Commercial Paper Commercial paper (Note 8) Other Liabilities, Noncurrent Other liabilities Environmental Remediation Expense, before Recovery Environmental remediation charges Reconciliation of Revenue from Segments to Consolidated [Table] Reconciliation Of Revenue From Segments To Consolidated [Table] Selling Expense Selling expenses Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Change in: Income Tax Disclosure [Abstract] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] Additional Paid-in Capital [Member] Other capital: Share Repurchase Program, Authorized, Amount Stock repurchase program, authorized amount Trading Symbol Trading Symbol Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Risk-free rate maximum Subsequent Event Type [Axis] Commercial Paper Program [Member] Commercial Paper Program [Member] Commercial Paper Program Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Cash flows from financing activities: Accounts Payable and Accrued Liabilities Disclosure [Text Block] ACCRUED LIABILITIES Property, Plant and Equipment Assets Held-for-Sale Disclosure [Abstract] Equity Components [Axis] Equity Components Softwood Plywood [Member] Softwood Plywood [Member] Softwood plywood Line of Credit, Current Line of credit, amount outstanding Equity Component [Domain] Equity Component Share-Based Payment Arrangement, Activity [Table Text Block] Schedule of Share-Based Compensation Activity Princeton Lumber Mill [Member] Princeton Lumber Mill [Member] Princeton Lumber Mill. Long-Lived Assets Held-for-Sale [Line Items] CONSOLIDATED STATEMENT OF CHANGES IN EQUITY [Abstract] C O N S O L I D A T E D S T A T E M E N T O F C H A N G E S I N E Q U I T Y [Abstract] Reconciliation of Revenue from Segments to Consolidated [Table Text Block] Reconciliation of Business Segment Information in Consolidated Statement of Operations LIFO Inventory Amount LIFO inventories Earnings per share basic and diluted. Earnings Per Share Basic And Diluted [Table] Earnings Per Share Basic And Diluted [Table] Strategic Land Solutions [Member] Strategic land solutions. Strategic Land Solutions Statement of Comprehensive Income [Abstract] Maximum [Member] Maximum Designated as Hedging Instrument [Member] Designated as Hedging Instrument Statistical Measurement [Axis] Statistical Measurement Prepaid Expense, Current Prepaid Expense, Current, Total Prepaid expenses and other current assets Segment, Reconciliation of Other Items from Segments to Consolidated [Table] Basis of Land Sold Basisof Land Sold Basis of Strategic Land Solutions acres sold Basis of acres sold Consolidation, Policy [Policy Text Block] Consolidation 2021 Repurchase Program Twenty Twenty One Repurchase Program [Member] 2021 Repurchase Program. Natural resources Natural Resources [Member] Natural resources. Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Expected volatility Interest Payable, Current Interest Inventory Inventory [Domain] Commercial paper issued and outstanding Commercial Paper Issued And Outstanding Commercial paper issued and outstanding. Mergers, Acquisitions and Dispositions Disclosures [Text Block] TIMBERLAND DIVESTITURES Lumber, plywood, oriented strand board and fiberboard. Lumber, Plywood, Oriented Strand Board And Fiberboard [Member] Lumber, plywood, oriented strand board and fiberboard Revenue from Contract with Customer [Text Block] REVENUE RECOGNITION Entity Registrant Name Entity Registrant Name Debt Disclosure [Text Block] LONG-TERM DEBT, LINE OF CREDIT AND COMMERCIAL PAPER PROGRAM Accumulated Other Comprehensive Income Loss [Table] Accumulated Other Comprehensive Income (Loss) [Table] Income Tax Expense (Benefit) Income taxes (Note 14) Income taxes Income Tax Expense (Benefit), Total Common Stock, Dividends, Per Share, Cash Paid Dividends paid per common share Amount after amortization of minerals and mineral rights. Minerals And Mineral Rights Minerals and mineral rights, less depletion Wood Products [Member] Wood Products [Member] Wood Products Wood Products [Member] Stock Repurchased During Period, Value Repurchases of common shares (Note 4) Assets held for sale Asset, Held-for-Sale, Not Part of Disposal Group, Current Asset, Held-for-Sale, Not Part of Disposal Group, Current, Total Assets held for sale (Note 15) Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding North [Member] North [Member] North Other Income and Other Expense Disclosure [Text Block] OTHER OPERATING COSTS, NET Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss (Note 11) Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Consolidation Items [Axis] Consolidation Items Payment for (Proceeds from) Other Investing Activity Other Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Granted Assets Total assets Assets Income Statement [Abstract] Defined Benefit Plan, Amortization of Gain (Loss) Amortization of actuarial loss Deferred income taxes, net Deferred Income Tax Expense (Benefit) Deferred Income Tax Expense (Benefit), Total Contract with Customer, Sales Channel [Domain] Contract with Customer, Sales Channel Repayments of Commercial Paper Payments on commercial paper (Note 8) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Vested Earnings Per Share, Diluted Earnings per share, diluted (Note 4) Earnings per share, diluted Earnings Per Share, Diluted, Total Operating Segments [Member] Operating Segments Operating segments Dividends, Common Stock Dividends on common shares Dividends, Common Stock, Total City Area Code City Area Code Debt aggregate amount Debt Instrument, Face Amount Line of Credit Facility, Maximum Borrowing Capacity Line of credit, maximum borrowing capacity Defined Benefit Plan [Table] Schedule Of Defined Benefit Plans Disclosures [Table] Gain (Loss) from Litigation Settlement Litigation expense, net Derivative Liability, Subject to Master Netting Arrangement, before Offset DERIVATIVE LIABILITIES Property, Plant and Equipment, Net Property, Plant and Equipment, Net, Total Property and equipment, less accumulated depreciation of $4,248 and $4,158 Operating Income (Loss) Operating income Retained earnings: Retained Earnings [Member] Share-Based Payment Arrangement, Noncash Expense Share-based compensation expense (Note 12) Share-Based Payment Arrangement, Noncash Expense, Total Tabular disclosure of the significant assumptions used during the year to estimate the fair value of performance share units, including, but not limited to: (a) expected term of performance share units and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. Weighted Average Assumptions Used In Estimating Value Of Performance Share Units Granted [Table Text Block] Weighted Average Assumptions Used in Estimating Value of Performance Share Units Granted Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Net cash from financing activities Deferred Income Tax Liabilities, Net Deferred tax liabilities Derivative Contract [Domain] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Disposal Groups, Including Discontinued Operations [Line Items] Contract with Customer, Sales Channel [Axis] Contract with Customer, Sales Channel Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Potential Shares Not Included in the Computation of Diluted Earnings per Share Entity Interactive Data Current Entity Interactive Data Current Foreign Currency Forward Contracts Foreign Currency Forward Contracts [Member] Foreign currency forward contracts. Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Cash flows from operations: Segment Reporting, Revenue Reconciling Item [Line Items] Segment Reporting, Revenue Reconciling Item Segment, Reconciliation of Other Items from Segments to Consolidated [Table Text Block] Additional Financial Information Accrued Taxes Payable Accrued Taxes Payable Taxes payable Entity Tax Identification Number Entity Tax Identification Number Share Price Valuation date closing stock price Long-Term Debt, Type [Axis] Pension and Other Postretirement Benefits Cost (Reversal of Cost) Pension and other post-employment benefits (Note 6) Pension and Other Postretirement Benefits Cost (Reversal of Cost), Total Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] BASIS OF PRESENTATION Pension and Other Postretirement Benefits Cost (Reversal of Cost) [Abstract] Local Phone Number Local Phone Number complementary building products [Member] Complementarybuildingproducts [Member] Complementary building products Long-Lived Asset, Held-for-Sale [Table] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income Loss [Line Items] Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Total net periodic benefit cost Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted average shares outstanding (in thousands) (Note 4): Earnings per share basic and diluted. Earnings Per Share Basic And Diluted [Line Items] Earnings Per Share Basic And Diluted [Line Items] Payments for Capital Improvements Capital expenditures for timberlands reforestation Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Other comprehensive income (loss) before reclassifications Disaggregation of Revenue [Line Items] Revenue from External Customer Accumulated pension plans defined benefit plans adjustment. Accumulated Pension Plans Defined Benefit Plans Adjustment [Member] Pension Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Schedule Of Earnings Per Share Basic By Common Class [Table] Debt instrument maturity month and year. Debt Instrument Maturity Month And Year Debt, maturity date Proceeds From Sale Of Timberlands Proceeds from sale of timberlands. Proceeds from sale of timberlands (Note 15) Area of timberlands sales Area Of Timberlands Sold Area of timberlands sold. Entity Emerging Growth Company Entity Emerging Growth Company