Equity [Abstract]
Other Comprehensive Income [Note Text Block]
Comprehensive Income (Loss) Note [Text Block]
Revenue from Contract with Customer [Abstract]
Contract with Customer, Asset, Net, Current
Contract with Customer, Asset, Gross, Current
Contract with Customer, Liability, Current
Contract with Customer, Liability, Current
Contract with customer, asset, increase (decrease)
Contract with customer, asset, increase (decrease)
Contract with customer, asset, increase (decrease)
Contract with customer, liability increase (decrease)
Contract with customer, liability increase (decrease)
Contract with customer, liability increase (decrease)
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table]
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table]
Income Statement Location [Axis]
Income Statement Location [Axis]
Income Statement Location [Domain]
Income Statement Location [Domain]
Selling, General and Administrative Expenses
Selling, General and Administrative Expenses [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock-based compensation expense (selling and administrative)
Allocated Share-based Compensation Expense
Income tax benefits related to stock-based compensation
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense
Retirement Benefits [Abstract]
Retirement Plans [Note Text Block]
Pension and Other Postretirement Benefits Disclosure [Text Block]
Variable Interest Entities And Preferred Securities Of Subsidiaries [Abstract]
Variable Interest Entities and Preferred Securities of Subsidiaries [Abstract]
Schedule of Variable Interest Entities [Table]
Schedule of Variable Interest Entities [Table]
Variable Interest Entities [Axis]
Variable Interest Entities [Axis]
Variable Interest Entity, Classification [Domain]
Variable Interest Entity, Classification [Domain]
2015 Financing Entities
Two Thousand Fifteen Financing Entities [Member]
Two Thousand Fifteen Financing Entities [Member]
2007 Financing Entities
Two Thousand Seven Financing Entities [Member]
Two Thousand Seven Financing Entities [Member]
Variable Interest Entity [Line Items]
Variable Interest Entity [Line Items]
Revenue
Variable Interest Entity, Measure of Activity, Revenues
Expense
Variable Interest Entity, Measure of Activity, Expense
Cash receipts
Proceeds from Equity Method Investment, Distribution
Cash payments
Variable Interest Entity, Measure of Activity, Other, Amount
Business Combinations [Abstract]
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Business Acquisition [Axis]
Business Acquisition [Axis]
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
Tangier, Morocco Facility
Tangier, Morocco Facility [Member]
Tangier, Morocco Facility [Member]
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Payments to acquire businesses, gross
Business combination, estimated payment to acquire business
Business combination, estimated payment to acquire business
Acquisitions, net of cash acquired
Payments to Acquire Businesses, Net of Cash Acquired
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Maximum Length of Time Hedged in Cash Flow Hedge
Maximum Length of Time Hedged in Cash Flow Hedge
Segment Reporting [Abstract]
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Investment, Name [Axis]
Investment, Name [Axis]
Investment, Name [Domain]
Investment, Name [Domain]
Ilim Holding
Ilim Holding [Member]
Ilim Holding [Member]
Graphic Packaging LLC [Member]
Graphic Packaging LLC [Member]
Graphic Packaging LLC [Member]
Subsegments Consolidation Items [Axis]
Subsegments Consolidation Items [Axis]
Subsegments Consolidation Items [Domain]
Subsegments Consolidation Items [Domain]
Reportable Subsegments
Reportable Subsegments [Member]
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Percentage of equity interest
Equity Method Investment, Ownership Percentage
Commitments and Contingencies Disclosure [Abstract]
Loss Contingencies [Table]
Loss Contingencies [Table]
Income Tax Authority [Axis]
Income Tax Authority [Axis]
Income Tax Authority [Domain]
Income Tax Authority [Domain]
Environmental Remediation Site [Axis]
Environmental Remediation Site [Axis]
Environmental Remediation Site [Domain]
Environmental Remediation Site [Domain]
Kalamazoo River Superfund Site
Kalamazoo River Superfund Site [Member]
Kalamazoo River Superfund Site [Member]
San Jacinto River Superfund Site
San Jacinto River Superfund Site [Member]
San Jacinto River Superfund Site [Member]
Environmental Remediation Contingency [Axis]
Environmental Remediation Contingency [Axis]
Environmental Remediation Contingency [Domain]
Environmental Remediation Contingency [Domain]
Medical Monitoring and Damages
Medical Monitoring and Damages [Member]
Medical Monitoring and Damages [Member]
Litigation Case [Axis]
Litigation Case [Axis]
Litigation Case [Domain]
Litigation Case [Domain]
Time Critical Removal Action
Time Critical Removal Action [Member]
Time Critical Removal Action [Member]
Georgia-Pacific Consumer Products LP, Fort James Corporation and Georgia Pacific LLC Cost Recovery Action
Georgia-Pacific Consumer Products LP, Fort James Corporation and Georgia Pacific LLC Cost Recovery Action [Member]
Georgia-Pacific Consumer Products LP, Fort James Corporation and Georgia Pacific LLC Cost Recovery Action [Member]
Ashley Furniture Lawsuit [Member]
Ashley Furniture Lawsuit [Member]
Ashley Furniture Lawsuit [Member]
Signature Industrial Services LLC et al. v. International Paper
Signature Industrial Services LLC et al. v. International Paper [Member]
Signature Industrial Services LLC et al. v. International Paper [Member]
Loss Contingencies [Line Items]
Loss Contingencies [Line Items]
Number of plaintiffs seeking damages
Loss Contingency, Number of Plaintiffs
Loss Contingency, Number of Defendants
Loss Contingency, Number of Defendants
Disputed invoices, value
Disputed invoices, value
Disputed invoices, value
Loss Contingency, damages awarded, value
Loss Contingency, Damages Awarded, Value
Responsible party percentage
Responsible party percentage
Responsible party percentage
Loss contingency, damages sought, value
Loss Contingency, Damages Sought, Value
Remediation design period
Remediation design period
Remediation design period
Discontinued Operations and Disposal Groups [Abstract]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table]
Disposal Groups, Including Discontinued Operations [Table]
Disposal Group Name [Axis]
Disposal Group Name [Axis]
Disposal Groups, Including Discontinued Operations, Name [Domain]
Disposal Group Name [Domain]
North American Consumer Packaging [Member]
North American Consumer Packaging [Member]
North American Consumer Packaging [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued Operation, Equity Method Investment Retained after Disposal, Ownership Interest after Disposal
Discontinued Operation, Equity Method Investment Retained after Disposal, Ownership Interest after Disposal
Gain (Loss) on Disposition of Assets
Gain (Loss) on Disposition of Assets
Gain (loss) on disposition of business, net of taxes
Gain (loss) on disposition of business, net of taxes
Gain (loss) on disposition of business, net of taxes
Cash Provided by (Used in) Operating Activities, Discontinued Operations
Cash Provided by (Used in) Operating Activities, Discontinued Operations
Cash Provided by (Used in) Investing Activities, Discontinued Operations
Cash Provided by (Used in) Investing Activities, Discontinued Operations
Disclosure Text Block Supplement [Abstract]
Schedule of Accounts, Notes, Loans and Financing Receivable [Table]
Schedule of Accounts, Notes, Loans and Financing Receivable [Table]
Receivable Type [Axis]
Receivable Type [Axis]
Receivable [Domain]
Receivable [Domain]
Trade
Trade Accounts Receivable [Member]
Other
Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts, Notes, Loans and Financing Receivable, Net, Current
Accounts, Notes, Loans and Financing Receivable, Net, Current
Debt Disclosure [Abstract]
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-term Debt Instruments [Table]
Debt Instrument [Axis]
Debt Instrument [Axis]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Long-term Debt [Member]
Long-term Debt [Member]
Extinguishment of Debt, Type [Domain]
Extinguishment of Debt, Type [Domain]
Commercial Paper
Commercial Paper [Member]
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Proceeds from Other Debt
Proceeds from Other Debt
Loans assumed by GPI
Loans assumed by GPI
Loans assumed by GPI
Repayments of Other Debt
Repayments of Other Debt
Line of credit facility, maximum borrowing capacity
Line of Credit Facility, Maximum Borrowing Capacity
Line of credit, current
Line of Credit, Current
Debt, Weighted Average Interest Rate
Debt, Weighted Average Interest Rate
Debt and capital lease obligations
Debt and Capital Lease Obligations
Debt fair value
Debt Instrument, Fair Value Disclosure
Income Statement [Abstract]
Statement [Table]
Statement [Table]
Legal Entity [Axis]
Legal Entity [Axis]
Entity [Domain]
Entity [Domain]
Statement [Line Items]
Statement [Line Items]
Net Sales
Revenue, Net
Costs and Expenses
Costs and Expenses [Abstract]
Cost of products sold
Cost of Goods Sold
Selling and administrative expenses
Selling, General and Administrative Expense
Depreciation, amortization and cost of timber harvested
Depreciation, Depletion and Amortization
Distribution expenses
Shipping, Handling and Transportation Costs
Taxes other than payroll and income taxes
Taxes, Other
Restructuring and other charges
Restructuring And Other Charges
Amount charged against earnings in the period for incurred and estimated costs, excluding asset retirement obligations, associated with exit from or disposal of business activities or restructurings pursuant to a program that is planned and controlled by management, and materially changes either the scope of a business undertaken by an entity, or the manner in which that business is conducted. Also includes expenses charged against earnings in the period of an event that is infrequent in occurrence or unusual in nature.
Net (gains) losses on sales and impairments of businesses
Gain (Loss) on Sale of Assets and Asset Impairment Charges
Litigation settlement
Payments for Legal Settlements
Net bargain purchase gain on acquisition of business
Business Combination, Bargain Purchase, Net Gain Recognized, Amount
Business Combination, Bargain Purchase, Net Gain Recognized, Amount
Interest expense, net
Interest Income (Expense), Net
Non-operating pension expense
Nonservice pension cost (benefit)
Nonservice pension cost (benefit)
Earnings (Loss) From Continuing Operations Before Income Taxes and Equity Earnings
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
Income tax provision (benefit)
Income Tax Expense (Benefit)
Equity earnings (loss), net of taxes
Income (Loss) from Equity Method Investments
Earnings (Loss) From Continuing Operations
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest
Discontinued operations, net of taxes
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent
Net Earnings (Loss)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Less: Net earnings (loss) attributable to noncontrolling interests
Net Income (Loss) Attributable to Noncontrolling Interest
Net Earnings (Loss) Attributable to International Paper Company
Net Income (Loss) Attributable to Parent
Basic Earnings (Loss) Per Share Attributable to International Paper Company Common Shareholders
Earnings Per Share, Basic [Abstract]
Earnings (loss) from continuing operations
Income (Loss) from Continuing Operations, Per Basic Share
Discontinued operations, net of taxes
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share
Net earnings (loss)
Earnings Per Share, Basic
Diluted Earnings (Loss) Per Share Attributable to International Paper Company Common Shareholders
Earnings Per Share, Diluted [Abstract]
Earnings (loss) from continuing operations
Income (Loss) from Continuing Operations, Per Diluted Share
Discontinued operations, net of taxes
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share
Net earnings (loss)
Earnings Per Share, Diluted
Average Shares of Common Stock Outstanding – assuming dilution
Weighted Average Number of Shares Outstanding, Diluted
Cash Dividends Per Common Share
Common Stock, Dividends, Per Share, Cash Paid
Amounts Attributable to International Paper Company Common Shareholders
Income Amounts Attributable to Parent, Disclosures [Abstract]
Earnings (loss) from continuing operations
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent
Accounting Changes and Error Corrections [Abstract]
Recent Accounting Developments [Note Text Block]
New Accounting Pronouncements and Changes in Accounting Principles [Text Block]
Earnings Per Share [Abstract]
Earnings Per Share [Note Text Block]
Earnings Per Share [Text Block]
Environmental Remediation Obligations [Abstract]
Site Contingency [Table]
Site Contingency [Table]
Cass Lake, Minnesota
Cass Lake Minnesota [Member]
Cass Lake, Minnesota [Member]
Accrual for environmental loss contingencies
Accrual for Environmental Loss Contingencies
Accrual for Environmental Loss Contingencies, Gross
Accrual for Environmental Loss Contingencies, Gross
2006 Financing Entities
Two Thousand And Six Financing Entities [Member]
Two Thousand And Six Financing Entities [Member]
Activity Between Company And Entities [Table Text Block]
Schedule Of Activity Between Company And Financing Entities Table [Text Block]
Schedule Of Activity Between Company And Financing Entities [Table Text Block]
Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Total International Paper Shareholders’ Equity
Parent [Member]
Noncontrolling Interests
Noncontrolling Interest [Member]
Balance, January 1
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
Adoption of ASC 606 revenue from contracts with customers
Cumulative Effect of New Accounting Principle in Period of Adoption
Issuance of stock for various plans, net
Stock Issued During Period, Value, Share-based Compensation, Gross
Repurchase of stock
Treasury Stock, Value, Acquired, Cost Method
Common stock dividends ($.9500 per share in 2018 and $.9250 per share in 2017)
Dividends, Common Stock, Cash
Transactions of equity method investees
Adjustments to Additional Paid in Capital, Other
Comprehensive income (loss)
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Ending Balance, June 30
Equity [Table]
Equity [Table]
Equity [Table]
Total International Paper Shareholders’ Equity
Noncontrolling Interests
Equity [Line Items]
Equity [Line Items]
Equity [Line Items]
Common stock dividends, per share
Common Stock, Dividends, Per Share, Declared
Schedule of Stock-Based Compensation Expense Related to Income Tax Benefits [Table Text Block]
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]
Prospective Adoption of New Accounting Pronouncements [Table]
Prospective Adoption of New Accounting Pronouncements [Table]
Adjustments for New Accounting Pronouncements [Axis]
Adjustments for New Accounting Pronouncements [Axis]
Type of Adoption [Domain]
Type of Adoption [Domain]
Accounting Standards Update 2014-09 [Member]
Accounting Standards Update 2014-09 [Member]
Prospective Adoption of New Accounting Pronouncements [Axis]
Prospective Adoption of New Accounting Pronouncements [Axis]
Accounting Guidance [Domain]
Accounting Guidance [Domain]
Previous Accounting Guidance [Member]
Previous Accounting Guidance [Member]
Adjustments for New Accounting Pronouncement [Member]
Adjustments for New Accounting Pronouncement [Member]
Item Effected [Line Items]
Item Effected [Line Items]
Cumulative Effect of New Accounting Principle in Period of Adoption
Net sales
Earnings (loss) from continuing operations
Net earnings (loss)
Basic
Diluted
Contract assets
Contract with Customer, Asset, Gross
Inventories
Inventory, Net
Other current assets
Other Assets, Current
Other accrued liabilities
Other Accrued Liabilities, Current
Deferred Income Taxes
Deferred Tax Liabilities, Net, Noncurrent
Retained earnings
Retained Earnings (Accumulated Deficit)
Deferred income tax provision (benefit), net
Deferred Income Tax Expense (Benefit)
Contract assets
Contract with Customer, Asset, Reclassified to Receivable
Inventories
Increase (Decrease) in Inventories
Accounts payable and accrued liabilities
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Increase (Decrease) in Other Operating Assets and Liabilities, Net
Increase (Decrease) in Other Operating Assets and Liabilities, Net
Document and Entity Information [Abstract]
Document - Document and Entity Information [Abstract]
Entities [Table]
Entities [Table]
Entity [Domain]
Document Information [Line Items]
Document Information [Line Items]
Document Type
Document Type
Amendment Flag
Amendment Flag
Document Period End Date
Document Period End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Trading Symbol
Trading Symbol
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Filer Category
Entity Filer Category
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table]
Derivative Instruments, Gain (Loss) [Table]
Other Comprehensive Income Location [Axis]
Other Comprehensive Income Location [Axis]
Other Comprehensive Income Location [Domain]
Other Comprehensive Income Location [Domain]
Other Comprehensive Income (Loss)
Other Comprehensive Income (Loss) [Member]
Hedging Relationship [Axis]
Hedging Relationship [Axis]
Hedging Relationship [Domain]
Hedging Relationship [Domain]
Cash Flow Hedging
Cash Flow Hedging [Member]
Derivative Instrument Risk [Axis]
Derivative Instrument [Axis]
Derivative Contract Type [Domain]
Derivative Contract [Domain]
Foreign Exchange Contract
Foreign Exchange Contract [Member]
Interest Rate Contract
Interest Rate Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net
Equity Method Investments and Joint Ventures [Abstract]
Schedule of Equity Method Investments [Table]
Schedule of Equity Method Investments [Table]
Schedule of Equity Method Investments [Line Items]
Schedule of Equity Method Investments [Line Items]
Equity method dividends received
Cash Dividends Paid to Parent Company by 50 Percent or Less Owned Persons
Proceeds from dividends received
Proceeds from Dividends Received
Equity method investments
Equity Method Investments
Equity method investment, difference between carrying amount and underlying equity
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity
Revenue from related parties
Revenue from Related Parties
Related party transaction, purchases from related party
Related Party Transaction, Purchases from Related Party
Restructuring and Related Activities [Abstract]
Restructuring and Related Costs [Table Text Block]
Restructuring and Related Costs [Table Text Block]
Supplemental Financial Statement Information [Note Text Block]
Additional Financial Information Disclosure [Text Block]
Goodwill and Intangible Assets Disclosure [Abstract]
Finite-lived Intangible Assets Amortization Expense [Table]
Finite-Lived Intangible Assets Amortization Expense [Table]
Finite-lived Intangible Assets Amortization Expense [Table]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Amortization expense related to intangible assets
Amortization of Intangible Assets
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Hedging Designation [Axis]
Hedging Designation [Axis]
Hedging Designation [Domain]
Hedging Designation [Domain]
Designated as Hedging Instrument
Designated as Hedging Instrument [Member]
Not Designated as Hedging Instrument
Not Designated as Hedging Instrument [Member]
Energy Related Derivative
Energy Related Derivative [Member]
Balance Sheet Location [Axis]
Balance Sheet Location [Axis]
Balance Sheet Location [Domain]
Balance Sheet Location [Domain]
Other Current Assets
Other Current Assets [Member]
Deferred charges and other assets [Member]
Deferred charges and other assets [Member]
Deferred charges and other assets [Member]
Other Accrued Liabilities
Other Current Liabilities [Member]
Other Noncurrent Liabilities [Member]
Other Noncurrent Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivatives, Fair Value [Line Items]
Derivative Assets
Derivative Asset, Fair Value, Gross Asset
Derivative Liabilities
Derivative Liability, Fair Value, Gross Liability
Derivative Notional [Table]
Derivative [Table]
Derivative [Line Items]
Derivative [Line Items]
Derivative Notional Amount
Derivative, Notional Amount
Net Periodic Pension Expense for Qualified and Nonqualified U.S. Defined Benefit Plans [Table Text Block]
Schedule of Net Benefit Costs [Table Text Block]
Stock-based Compensation [Note Text Block]
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]
Gain / (Loss) Recorded to AOCI After Tax, That Is Expected to be Reclassified to Earnings
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months
Statement of Cash Flows [Abstract]
Operating Activities
Net Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation, amortization and cost of timber harvested
Depreciation Amortization And Cost Of Timber Harvested, Including Discontinued Operations
Depreciation Amortization And Cost Of Timber Harvested, Including Discontinued Operations
Deferred income tax provision (benefit), net
Net gain on transfer of North American Consumer Packaging business
Gain (Loss) on Disposition of Business
Net bargain purchase gain on acquisition of business
Business Combination, Bargain Purchase, Gain Recognized, Amount
Equity (earnings) loss, net
Periodic pension expense, net
Pension Cost (Reversal of Cost)
Other, net
Other Noncash Income (Expense)
Changes in current assets and liabilities
Increase (Decrease) in Operating Capital [Abstract]
Accounts and notes receivable
Increase (Decrease) in Accounts and Notes Receivable
Contract assets
Inventories
Interest payable
Increase (Decrease) in Interest Payable, Net
Other
Cash Provided By (Used For) Operations
Net Cash Provided by (Used in) Operating Activities
Investment Activities
Net Cash Provided by (Used in) Investing Activities [Abstract]
Invested in capital projects
Payments to Acquire Productive Assets
Acquisitions, net of cash acquired
Net settlement on transfer of North American Consumer Packaging business
Proceeds from Divestiture of Businesses, Net of Cash Divested
Proceeds from sale of fixed assets
Proceeds from Sale of Productive Assets
Other
Payments for (Proceeds from) Other Investing Activities
Cash Provided By (Used For) Investment Activities
Net Cash Provided by (Used in) Investing Activities
Financing Activities
Net Cash Provided by (Used in) Financing Activities [Abstract]
Repurchases of common stock and payments of restricted stock tax withholding
Payments for Repurchase of Common Stock
Issuance of debt
Proceeds from Issuance of Long-term Debt
Reduction of debt
Repayments of Long-term Debt
Change in book overdrafts
Proceeds from (Repayments of) Bank Overdrafts
Dividends paid
Payments of Dividends
Cash Provided By (Used For) Financing Activities
Net Cash Provided by (Used in) Financing Activities
Cash Included in Assets Held for Sale
Increase (Decrease) in Restricted Cash
Effect of Exchange Rate Changes on Cash
Effect of Exchange Rate on Cash and Cash Equivalents
Change in Cash and Temporary Investments
Cash and Cash Equivalents, Period Increase (Decrease)
Cash and Temporary Investments
Cash and Cash Equivalents, at Carrying Value [Abstract]
Beginning of period
Cash and Cash Equivalents, at Carrying Value
End of period
Variable Interest Entities and Preferred Securities of Subsidiaries [Note Text Block]
Variable Interest Entity Disclosure [Text Block]
Segment Reporting Disclosure [Text Block]
Segment Reporting Disclosure [Text Block]
Equity Method Investments [Table Text Block]
Equity Method Investments [Table Text Block]
Notes receivable, fair value disclosure
Notes Receivable, Fair Value Disclosure
Long-term debt, fair value
Long-term Debt, Fair Value
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table]
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table]
Business Segments [Axis]
Segments [Axis]
Segment [Domain]
Segments [Domain]
Industrial Packaging
Industrial Packaging [Member]
Industrial Packaging [Member]
Global Cellulose Fibers
Global Cellulose Fibers [Member]
Global Cellulose Fibers [Member]
Printing Papers
Printing Papers [Member]
Printing Papers [Member]
Consolidation Items [Axis]
Consolidation Items [Axis]
Consolidation Items [Domain]
Consolidation Items [Domain]
Segment Reconciling Items
Segment Reconciling Items [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating profit
Operating Income (Loss)
Earnings (loss) from continuing operations before income taxes and equity earnings
Interest expense, net
Noncontrolling interests/equity earnings adjustment
Income From Equity Method Investment And Income Attributable To Noncontrolling Interests
Income From Equity Method Investment And Income Attributable To Noncontrolling Interests
Corporate items, net
Other Noninterest Expense
Corporate special items, net
Segment Reporting Information Restructuring And Other Charges
Segment Reporting Information, Restructuring and Other Charges
Non-operating pension expense
Non-Operating Pension Expense (Income)
Non-Operating Pension Expense (Income)
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Inventories [Table Text Block]
Schedule of Inventory, Current [Table Text Block]
Interest Income and Interest Expense Disclosure [Table Text Block]
Interest Income and Interest Expense Disclosure [Table Text Block]
Disposal Groups, Including Discontinued Operations [Table Text Block]
Disposal Groups, Including Discontinued Operations [Table Text Block]
Schedule of Segment Reporting Information by Segment [Table Text Block]
Reconciliation of Revenue from Segments to Consolidated [Table Text Block]
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]
Goodwill and Other Intangibles [Note Text Block]
Goodwill and Intangible Assets Disclosure [Text Block]
Temporary investments
Other Cash Equivalents, at Carrying Value
Allowance for doubtful accounts
Allowance for Doubtful Accounts Receivable, Current
Accumulated depreciation
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Depreciation expense
Depreciation
Interest payments
Interest Paid
Asset retirement obligation
Asset Retirement Obligation
Acquisitions [Note Text Block]
Business Combination Disclosure [Text Block]
Schedule of Defined Benefit Plans Disclosures [Table]
Schedule of Defined Benefit Plans Disclosures [Table]
Retirement Plan Type [Axis]
Retirement Plan Type [Axis]
Retirement Plan Type [Domain]
Retirement Plan Type [Domain]
U.S. Plans
Domestic Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Disclosure [Line Items]
Service cost
Defined Benefit Plan, Service Cost
Interest cost
Defined Benefit Plan, Interest Cost
Expected return on plan assets
Defined Benefit Plan, Expected Return (Loss) on Plan Assets
Actuarial loss
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss)
Amortization of prior service cost
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)
Net periodic pension expense
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation [Note Text Block]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Accretion income for amortization of purchase accounting adjustment, financial assets
Accretion Income for Amortization of Purchase Accounting Adjustment, Financial Assets
Accretion Income for Amortization of Purchase Accounting Adjustment, Financial Assets
Accretion expense for amortization of purchase accounting adjustment, financial liabiities
Accretion Expense for Amortization of Purchase Accounting Adjustment, Financial Liabiities
Accretion Expense for Amortization of Purchase Accounting Adjustment, Financial Liabiities
Revenue from Contract with Customer [Text Block]
Revenue from Contract with Customer [Text Block]
Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]
Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]
Schedule of Prospective Adoption of New Accounting Pronouncements [Table Text Block]
Schedule of Prospective Adoption of New Accounting Pronouncements [Table Text Block]
Schedule of Finite-Lived Intangible Assets [Table]
Schedule of Finite-Lived Intangible Assets [Table]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Customer relationships and lists
Customer-Related Intangible Assets [Member]
Non-compete agreements
Noncompete Agreements [Member]
Tradenames, patents and trademarks, and developed technology
Intellectual Property [Member]
Land and water rights
Use Rights [Member]
Software
Computer Software, Intangible Asset [Member]
Other
Other Intangible Assets [Member]
Gross Carrying Amount
Finite-Lived Intangible Assets, Gross
Accumulated Amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Net Intangible Assets
Finite-Lived Intangible Assets, Net
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Table]
Defined Benefit Pension and Postretirement Items (a)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Change in Cumulative Foreign Currency Translation Adjustments (a)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Net Gains and Losses on Cash Flow Hedging Derivatives (a)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance
Accumulated Other Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Other comprehensive income (loss) before reclassifications
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax
Amounts reclassified from accumulated other comprehensive income
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax
Net Current Period Other Comprehensive Income (Loss)
Other Comprehensive Income (Loss), Net of Tax
Other Comprehensive Income (Loss) Attributable to Noncontrolling Interest
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
Ending Balance
Schedule of Restructuring and Related Costs [Table]
Schedule of Restructuring and Related Costs [Table]
Restructuring Plan [Axis]
Restructuring Plan [Axis]
Restructuring Plan [Domain]
Restructuring Plan [Domain]
EMEA Industrial Packaging
EMEA Industrial Packaging [Member]
EMEA Industrial Packaging [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges
Restructuring And Other Related Charges
Amount charged against earnings in the period for incurred and estimated costs, excluding asset retirement obligations, associated with exit from or disposal of business activities or restructurings pursuant to a program that is planned and controlled by management, and materially changes either the scope of a business undertaken by an entity, or the manner in which that business is conducted. Also includes expenses charged against earnings in the period of an event that is infrequent in occurrence or unusual in nature.
Severance Costs
Severance Costs
Restructuring and Related Cost, Accelerated Depreciation
Restructuring and Related Cost, Accelerated Depreciation
Restructuring and other related charges, accelerated amortization and other noncash costs
Restructuring and other related charges, accelerated amortization and other noncash costs
Restructuring and other related charges, accelerated amortization and other noncash costs
Restructuring and other related charges, other
Restructuring and other related charges, other
Restructuring and other related charges, other
Commitments and Contingencies [Note Text Block]
Commitments and Contingencies Disclosure [Text Block]
Award Type [Axis]
Award Type [Axis]
Award Type [Domain]
Equity Award [Domain]
Restricted stock performance share plan
Performance Shares [Member]
Earnings (loss) from continuing operations attributable to International Paper Company common shareholders
Weighted average common shares outstanding
Weighted Average Number of Shares Outstanding, Basic
Effect of dilutive securities
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements
Weighted average common shares outstanding – assuming dilution
Basic earnings (loss) per share from continuing operations
Diluted earnings (loss) per common share from continuing operations
Cash and temporary investments
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents
Accounts and notes receivable
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables
Inventory
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory
Plants, properties and equipment
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment
Goodwill
Goodwill
Other intangible assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill
Deferred charges and other assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets
Total assets acquired
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets
Accounts payable and accrued liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities
Long-term debt
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt
Other long-term liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other
Total liabilities assumed
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities
Net assets acquired
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net
Accounting Standards Update 2017-07 [Member]
Accounting Standards Update 2017-07 [Member]
Accounting Standards Update 2017-07 [Member]
Non-operating pension expense
Pension Expense (Reversal of Expense), Noncash
Disaggregation of Revenue [Table]
Disaggregation of Revenue [Table]
Operating Segments [Member]
Operating Segments [Member]
Intersegment Eliminations [Member]
Intersegment Eliminations [Member]
Geography Eliminations [Member]
Reportable Geographical Components [Member]
Geographical [Axis]
Geographical [Axis]
Geographical [Domain]
Geographical [Domain]
United States
UNITED STATES
EMEA
EMEA [Member]
Pacific Rim and Asia
Asia [Member]
Americas, other than U.S.
Americas Other Than U S [Member]
Americas, Other Than U.S. [Member]
Operating Segment [Axis]
Operating Segment [Axis]
Operating Segment [Axis]
Operating Segment [Domain]
Operating Segment [Domain]
[Domain] for Operating Segment [Axis]
North American Industrial Packaging
North American Industrial Packaging [Member]
North American Industrial Packaging [Member]
Brazilian Industrial Packaging
Brazilian Industrial Packaging [Member]
Brazilian Industrial Packaging [Member]
European Coated Paperboard
European Coated Paperboard [Member]
European Coated Paperboard [Member]
North American Printing Papers
North American Printing Papers [Member]
North American Printing Papers [Member]
Brazilian Papers
Brazilian Papers [Member]
Brazilian Papers [Member]
European Papers
European Papers [Member]
European Papers [Member]
Indian Papers
India Papers [Member]
India Papers [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax
Revenue from Contract with Customer, Excluding Assessed Tax
Equity [Note Text Block]
Stockholders' Equity Note Disclosure [Text Block]
Disposal Groups, Including Discontinued Operations [Table]
Disposal Group Name [Domain]
Disposal Group Classification [Axis]
Disposal Group Classification [Axis]
Disposal Group Classification [Domain]
Disposal Group Classification [Domain]
Discontinued Operations, Held-for-sale [Member]
Discontinued Operations, Held-for-sale [Member]
Net Sales
Disposal Group, Including Discontinued Operation, Revenue
Cost of products sold
Disposal Group, Including Discontinued Operation, Costs of Goods Sold
Selling and administrative expenses
Disposal Group, Including Discontinued Operation, General and Administrative Expense
Depreciation, amortization and cost of timber harvested
Disposal Group, Including Discontinued Operation, Depreciation and Amortization
Distribution expenses
Disposal Group, Including Discontinued Operation, Distribution Expense
Disposal Group, Including Discontinued Operation, Distribution Expense
Taxes other than payroll and income taxes
Disposal group including discontinued operation, taxes other than payroll and income taxes
Disposal group including discontinued operation, taxes other than payroll and income taxes
(Gain) loss on transfer of business
Earnings (Loss) Before Income Taxes and Equity Earnings
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax
Income tax provision (benefit)
Discontinued Operation, Tax Effect of Discontinued Operation
Discontinued Operations, Net of Taxes
Schedule of Notional Amounts of Financial Instruments [Table Text Block]
Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]
Gains Or Losses Recognized In Accumulated Other Comprehensive Income (AOCI), Net Of Tax, Related To Derivative Instruments [Table Text Block]
Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Gains And Losses Recognized In Consolidated Statement Of Operations On Qualifying And Non-Qualifying Financial Instruments [Table Text Block]
Derivative Instruments, Gain (Loss) [Table Text Block]
Impact Of Derivative Instruments In Consolidated Balance Sheet [Table Text Block]
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
Equity Method Investments and Joint Ventures Disclosure [Text Block]
Equity Method Investments and Joint Ventures Disclosure [Text Block]
Inventory, Current [Table]
Inventory, Current [Table]
Inventory [Axis]
Inventory [Axis]
Inventory [Domain]
Inventory [Domain]
Inventory [Line Items]
Inventory [Line Items]
Raw materials
Inventory, Raw Materials, Net of Reserves
Finished pulp, paper and packaging
Inventory, Finished Goods, Net of Reserves
Operating supplies
Inventory, Supplies, Net of Reserves
Other
Other Inventory, Net of Reserves
Total
Changes in Goodwill Balances [Table Text Block]
Schedule of Goodwill [Table Text Block]
Finite and Indefinite-Lived Intangible Assets [Table Text Block]
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Amortization Expense of Intangible Assets [Table Text Block]
Finite-lived Intangible Assets Amortization Expense [Table Text Block]
Schedule of Goodwill [Table]
Schedule of Goodwill [Table]
Goodwill [Line Items]
Goodwill [Line Items]
Beginning balance
Goodwill, Gross
Accumulated impairment losses (a)
Goodwill, Impaired, Accumulated Impairment Loss
Total
Reclassifications and other (b)
Goodwill, Other Increase (Decrease)
Additions/reductions
Goodwill, Period Increase (Decrease)
Accumulated impairment losses (a)
Ending balance
Statement of Financial Position [Abstract]
Common stock, par value
Common Stock, Par or Stated Value Per Share
Common stock, shares
Common Stock, Shares, Outstanding
Common stock held in treasury, shares
Treasury Stock, Shares
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Stock Compensation Plan
Stock Compensation Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant under ICP
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant
Compensation cost related to unvested restricted performance shares, executive continuity awards and restricted stock attributable to future performance, net of estimated forfeitures
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized
Compensation cost related to unvested restricted performance shares, executive continuity awards and restricted stock attributable to future performance, net of estimated forfeitures, weighted-average period (in years)
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition
Granted, nonvested shares / units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Granted, nonvested, weighted average grant date fair value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Income Tax Disclosure [Abstract]
Domestic Tax Authority [Member]
Domestic Tax Authority [Member]
State and Local Jurisdiction [Member]
State and Local Jurisdiction [Member]
Income tax payments, net of refunds
Income Taxes Paid, Net
Estimated reduction of unrecognized tax benefits
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit
Investment tax credit
Investment Tax Credit
Effective income tax rate reconciliation, at federal statutory income tax rate, percent
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Tax Cuts and Jobs Act of 2017, Income tax expense benefit, incomplete accounting, provisional amount
Tax Cuts and Jobs Act of 2017, Income Tax Expense Benefit, Incomplete Accounting, Provisional Amount
Tax Cuts and Jobs Act of 2017, Income Tax Expense Benefit, Incomplete Accounting, Provisional Amount
Tax Cuts and Jobs Act of 2017, Income tax expense benefit, incomplete accounting, provisional amount, remeasurement of U.S. deferred taxes
Tax Cuts and Jobs Act of 2017, Income Tax Expense Benefit, Incomplete Accounting, Provisional Amount, Remeasurement of U.S. Deferred Taxes
Tax Cuts and Jobs Act of 2017, Income Tax Expense Benefit, Incomplete Accounting, Provisional Amount, Remeasurement of U.S. Deferred Taxes
Tax Cuts and Jobs Act of 2017, Income tax expense benefit, incomplete accounting, provisional amount, transition tax
Tax Cuts and Jobs Act of 2017, Income Tax Expense Benefit, Incomplete Accounting, Provisional Amount, Transition Tax
Tax Cuts and Jobs Act of 2017, Income Tax Expense Benefit, Incomplete Accounting, Provisional Amount, Transition Tax
Tax Cuts and Jobs Act of 2017, Change in tax rate, income tax expense benefit, incomplete accounting, provisional amount
Tax Cuts and Jobs Act of 2017, Change In Tax Rate, Income Tax Expense Benefit, Incomplete Accounting, Provisional Amount
Tax Cuts and Jobs Act of 2017, Change In Tax Rate, Income Tax Expense Benefit, Incomplete Accounting, Provisional Amount
Tax Cuts and Jobs Act of 2017, Increase decrease in valuation allowance for deferred tax assets, incomplete accounting, provisional amount
Tax Cuts and Jobs Act of 2017, Increase Decrease in Valuation Allowance for Deferred Tax Assets, Incomplete Accounting, Provisional Amount
Tax Cuts and Jobs Act of 2017, Increase Decrease in Valuation Allowance for Deferred Tax Assets, Incomplete Accounting, Provisional Amount
Basis differences related to earnings in Non-U.S. subsidiaries
Basis differences related to earnings in Non-U.S. subsidiaries
Basis differences related to earnings in Non-U.S. subsidiaries
Income Taxes [Note Text Block]
Income Tax Disclosure [Text Block]
Disaggregation of Revenue [Table Text Block]
Disaggregation of Revenue [Table Text Block]
Contract with Customer, Asset and Liability [Table Text Block]
Contract with Customer, Asset and Liability [Table Text Block]
Cost of Products Sold
Cost of Sales [Member]
Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net
Schedule of Stockholders' Equity [Table Text Block]
Schedule of Stockholders Equity [Table Text Block]
Current assets
Equity Method Investment, Summarized Financial Information, Current Assets
Noncurrent assets
Equity Method Investment, Summarized Financial Information, Noncurrent Assets
Current liabilities
Equity Method Investment, Summarized Financial Information, Current Liabilities
Noncurrent liabilities
Equity Method Investment, Summarized Financial Information, Noncurrent Liabilities
Noncontrolling interests
Equity Method Investment, Summarized Financial Information, Noncontrolling Interest
Net sales
Equity Method Investment, Summarized Financial Information, Revenue
Gross profit
Equity Method Investment, Summarized Financial Information, Gross Profit (Loss)
Net income
Equity Method Investment, Summarized Financial Information, Net Income (Loss)
Corporate and Intersegment Sales
Non Qualified
Supplemental Employee Retirement Plan [Member]
Age to participate in the pension plan
Age to participate in the pension plan
Age to participate in the pension plan
Years of eligibility to participate in pension plan
Years of eligibility to participate in pension plan
Years of eligibility to participate in pension plan
Defined Benefit Plan, Plan Assets, Contributions by Employer
Defined Benefit Plan, Plan Assets, Contributions by Employer
Benefits paid
Defined Benefit Plan, Plan Assets, Benefits Paid
Statement of Comprehensive Income [Abstract]
Foreign Plan [Member]
Foreign Plan [Member]
Net Earnings (Loss)
Other Comprehensive Income (Loss), Net of Tax:
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Amortization of pension and post-retirement prior service costs and net loss:
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax
Pension and postretirement liability adjustments:
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
Change in cumulative foreign currency translation adjustment
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Net gains/losses on cash flow hedging derivatives:
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax [Abstract]
Net gains (losses) arising during the period
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax
Reclassification adjustment for (gains) losses included in net earnings (loss)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax
Total Other Comprehensive Income (Loss), Net of Tax
Comprehensive Income (Loss)
Net (earnings) loss attributable to noncontrolling interests
Other comprehensive (income) loss attributable to noncontrolling interests
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest
Comprehensive Income (Loss) Attributable to International Paper Company
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Derivative Liabilities
Supplemental Income Statement Elements [Abstract]
Interest expense
Interest Expense
Interest income
Investment Income, Interest
Capitalized interest costs
Interest Costs Capitalized
Disposal Groups, Including Discontinued Operations, Disclosure [Note Text Block]
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]
Derivatives and Hedging Activities [Note Text Block]
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Assets
Assets [Abstract]
Current Assets
Assets, Current [Abstract]
Cash and temporary investments
Cash, Cash Equivalents, and Short-term Investments
Accounts and notes receivable, net
Contract assets
Assets held for sale
Disposal Group, Including Discontinued Operation, Assets, Current
Total Current Assets
Assets, Current
Plants, Properties and Equipment, net
Property, Plant and Equipment, Net
Forestlands
Timber and Timberlands
Investments
Long-term Investments
Financial Assets of Special Purpose Entities (Note 15)
Financing Receivable, Gross
Deferred Charges and Other Assets
Other Assets, Noncurrent
Total Assets
Assets
Liabilities and Equity
Liabilities and Equity [Abstract]
Current Liabilities
Liabilities, Current [Abstract]
Notes payable and current maturities of long-term debt
Debt, Current
Accounts payable
Accounts Payable, Current
Accrued payroll and benefits
Employee-related Liabilities, Current
Liabilities held for sale
Disposal Group, Including Discontinued Operation, Liabilities, Current
Total Current Liabilities
Liabilities, Current
Long-Term Debt
Long-term Debt, Excluding Current Maturities
Nonrecourse Financial Liabilities of Special Purpose Entities (Note 15)
Other Long-term Debt, Noncurrent
Pension Benefit Obligation
Liability, Defined Benefit Pension Plan, Noncurrent
Postretirement and Postemployment Benefit Obligation
Liability, Other Postretirement Defined Benefit Plan, Noncurrent
Other Liabilities
Other Liabilities, Noncurrent
Equity
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Common stock, $1 par value, 2018 – 448.9 shares and 2017 – 448.9 shares
Common Stock, Value, Issued
Paid-in capital
Additional Paid in Capital, Common Stock
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss), Net of Tax
Shareholders' Equity before Treasury Stock, Total
Stockholders' Equity before Treasury Stock
Less: Common stock held in treasury, at cost, 2018 – 40.0 shares and 2017 – 36.0 shares
Treasury Stock, Value
Total International Paper Shareholders’ Equity
Stockholders' Equity Attributable to Parent
Noncontrolling interests
Stockholders' Equity Attributable to Noncontrolling Interest
Total Equity
Total Liabilities and Equity
Liabilities and Equity
Restructuring and Related Activities [Note Text Block]
Restructuring and Related Activities Disclosure [Text Block]
Gain on sale of investment in ArborGen
Gain on sale of ArborGen [Member]
Gain on sale of ArborGen [Member]
Other
Other Restructuring [Member]
Reclassification out of Accumulated Other Comprehensive Income [Table]
Reclassification out of Accumulated Other Comprehensive Income [Table]
Prior-service costs
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Including Portion Attributable to Noncontrolling Interest [Member]
Actuarial gains (losses)
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Including Portion Attributable to Noncontrolling Interest [Member]
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member]
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member]
Accumulated Net Gain (Loss) from Cash Flow Hedges Including Portion Attributable to Noncontrolling Interest
Accumulated Net Gain (Loss) from Cash Flow Hedges Including Portion Attributable to Noncontrolling Interest [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax
Tax (expense)/benefit
Total reclassifications for the period
Debt [Note Text Block]
Debt Disclosure [Text Block]
Schedule of Business Acquisitions, by Acquisition [Table Text Block]
Schedule of Business Acquisitions, by Acquisition [Table Text Block]