EBP, Employer Contribution, Hourly Non-Union Employee, Tranche 2 EBP, Employer Contribution, Hourly Non-Union Employee, Tranche 2 [Member] EBP, Employer Contribution, Hourly Non-Union Employee, Tranche 2 Total investments at fair value Total investments at fair value EBP, Investment, Fair Value Maximum Maximum [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Pretax, maximum annual compensation to total compensation, percentage EBP, Participant Contribution, Pretax, Maximum Annual Compensation to Total Compensation, Percentage Death benefit installment payment period EBP, Death Benefit Installment Payment Period EBP, Death Benefit Installment Payment Period Self-directed brokerage accounts EBP, Self-Directed Brokerage Account [Member] Total deductions EBP, Change in Net Asset Available for Benefit, Decrease Death benefit lump-sum payment period EBP, Death Benefit Lump-Sum Payment Period EBP, Death Benefit Lump-Sum Payment Period Accrued expenses EBP, Accrued Expense Time period for loans used to reduce maximum borrowing amount EBP, Note Receivable From Participant, Account, Time Period For Loans Used To Reduce Maximum Borrowing Amount EBP, Note Receivable From Participant, Account, Time Period For Loans Used To Reduce Maximum Borrowing Amount NET DECREASE IN NET ASSETS EBP, Change In Net Asset Available For Benefit, Increase (Decrease), After Transfer To (From) Plan EBP, Change In Net Asset Available For Benefit, Increase (Decrease), After Transfer To (From) Plan Transfer from plan due to disposition EBP, Change In Net Asset Available For Benefit, Transfer To (From) Plan, Net Transfers Due To Disposition EBP, Change In Net Asset Available For Benefit, Transfer To (From) Plan, Net Transfers Due To Disposition Transfer from plan due to changes in employment status EBP, Change In Net Asset Available For Benefit, Transfer From Plan, Net Transfers Due To Changes In Employment Status EBP, Change In Net Asset Available For Benefit, Transfer From Plan, Net Transfers Due To Changes In Employment Status Plan's Interest in Master Trust Balances EBP, Nonconsolidated, Plan Interest in Master Trust [Member] Average weighted final maturity EBP, Collective Investment Pool, Average Weighted Final Maturity EBP, Collective Investment Pool, Average Weighted Final Maturity Transfers, net (Note 8) EBP, Change in Net Asset Available for Benefit, Transfer to (from) Plan Total liabilities EBP, Liability Interest bearing cash Collateral Held Under Securities Lending, Interest Bearing Cash [Member] Collateral Held Under Securities Lending, Interest Bearing Cash Amendment Flag Amendment Flag Plan interest in master trust, cost basis EBP, Investment, Plan Interest In Master Trust, Cost EBP, Investment, Plan Interest In Master Trust, Cost EBP, Schedule of Asset Held for Investment [Table] EBP, Schedule of Asset Held for Investment [Table] EBP, Description of Plan and Accounting Change [Abstract] Receivables: EBP, Receivable [Abstract] EBP, Investment, Fair Value and NAV EBP, Investment, Fair Value and NAV [Table Text Block] Benefit liquidation period for non-designated beneficiary EBP, Benefit Liquidation Period For Non-Designated Beneficiary EBP, Benefit Liquidation Period For Non-Designated Beneficiary Investments [Domain] Investments [Domain] Contract value of investments EBP, Investment, Plan Interest in Master Trust, Contract Value Collateral as percentage of market value of loaned securities EBP, Securities Lending, Collateral As Percentage Of Market Value EBP, Securities Lending, Collateral As Percentage Of Market Value Total Securities on loan EBP, Securities On Loan EBP, Securities On Loan Total contributions EBP, Change in Net Asset Available for Benefit, Increase from Contribution Plan number EBP, Plan Number EBP, Employer Contribution, Hourly Non-Union Employee, Tranche 1 EBP, Employer Contribution, Hourly Non-Union Employee, Tranche 1 [Member] EBP, Employer Contribution, Hourly Non-Union Employee, Tranche 1 EBP, Schedule of Asset Held for Investment [Abstract] TRANSFERS EBP, Transfers [Text Block] EBP, Transfers EBP, Accounting Policy [Table] EBP, Accounting Policy [Table] Derivatives EBP, Derivative [Policy Text Block] Total additions EBP, Change in Net Asset Available for Benefit, Increase Eligibility period from birth or adoption date EBP, Qualified Birth And Adoption Withdrawals, Eligibility Period From Birth Or Adoption Date EBP, Qualified Birth And Adoption Withdrawals, Eligibility Period From Birth Or Adoption Date Risks and Uncertainties EBP, Risk and Uncertainty [Policy Text Block] Document Information [Line Items] Document Information [Line Items] Annual number of hardship withdrawals, maximum EBP, Annual Number Of Hardship Withdrawals, Maximum EBP, Annual Number Of Hardship Withdrawals, Maximum MASTER TRUST EBP, Master Trust [Text Block] Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Equities Equity Securities [Member] EBP, Fully Benefit-Responsive Investment Contract [Line Items] EBP, Fully Benefit-Responsive Investment Contract [Line Items] Employer’s contributions EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash and Noncash NET INCREASE IN NET ASSETS BEFORE TRANSFERS EBP, Change in Net Asset Available for Benefit, Increase (Decrease) RELATED-PARTY TRANSACTIONS EBP, Related Party and Party-in-Interest Transactions [Text Block] EBP, Related Party and Party-in-Interest Transactions [Abstract] Total investments EBP, Investment, Fair and Contract Value Excess contribution payable EBP, Excess Contribution Payable Total receivables EBP, Receivable Employer’s contributions EBP, Employer Contribution, Receivable Net appreciation of investments EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Unrealized Gain (Loss) on Investment Automatic deferral rate EBP, Participant Contribution, Automatic, Deferral Rate Automatic enrollment period following eligibility EBP, Automatic Enrollment Period Following Eligibility EBP, Automatic Enrollment Period Following Eligibility Schedule of Securities On Loan EBP, Securities On Loan [Table Text Block] EBP, Securities On Loan Benefits paid to participants EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Investment, plan interest in master trust, fair value EBP, Investment, Plan Interest in Master Trust, Fair Value General loan, maximum borrowing term EBP, Note Receivable From Participant, General Loan, Maximum Borrowing Term EBP, Note Receivable From Participant, General Loan, Maximum Borrowing Term Securities Denominated In United States Dollars Securities Denominated In United States Dollars [Member] Securities Denominated In United States Dollars EBP, Employer Contribution, Type [Axis] EBP, Employer Contribution, Type [Axis] EBP, Employer Contribution, Type EBP, Statement of Net Asset Available for Benefit [Abstract] Maximum number of loans outstanding EBP, Note Receivable From Participant, Maximum Number Of Loans Outstanding EBP, Note Receivable From Participant, Maximum Number Of Loans Outstanding EBP, Accounting Policy [Line Items] EBP, Accounting Policy [Line Items] EBP, Employer, Common Stock Fund EBP, Employer, Common Stock Fund [Member] EBP, Master Trust [Table] EBP, Master Trust [Table] Participants’ contributions EBP, Participant Contribution, Receivable Total Fair Value, Inputs, Level 1, Level 2, and Level 3 [Member] Document Type Document Type Loaned Securities, Type [Axis] Loaned Securities, Type [Axis] Loaned Securities, Type Participant loan, interest rate EBP, Asset Held for Investment, Participant Loan, Interest Rate Investments EBP, Investment, Fair and Contract Value [Abstract] Common Collective Trust Common Collective Trust [Member] EBP, Subsequent Event [Table] EBP, Subsequent Event [Table] Cash and cash equivalents Cash and Cash Equivalents [Member] DEDUCTIONS: EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] Forfeited nonvested account, decrease from employer contribution EBP, Forfeited Nonvested Account, Decrease from Employer Contribution Notes receivable from participant loans EBP, Note Receivable from Participant Entity Registrant Name Entity Registrant Name Schedule of Master Trust Net Assets EBP, Master Trust [Table Text Block] Average life of expected maturity EBP, Collective Investment Pool, Average Life Of Expected Maturity EBP, Collective Investment Pool, Average Life Of Expected Maturity EBP, Subsequent Event [Abstract] LIABILITIES: EBP, Liability [Abstract] Liability to return collateral held under securities lending agreements EBP, Liability To Return Collateral Held Under Securities Lending Agreements EBP, Liability To Return Collateral Held Under Securities Lending Agreements Notes Receivable from Participants EBP, Note Receivable from Participant [Policy Text Block] Total investment income Total Master Trust investment income EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment EBP, Related Party and Party-in-Interest Transactions [Line Items] EBP, Related Party and Party-in-Interest Transactions [Line Items] Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Other receivables EBP, Other Receivable NET ASSETS AVAILABLE FOR BENEFITS Beginning of year End of year EBP, Net Asset Available for Benefit Contributions: EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract] Investments measured at net asset value Fair Value Measured at Net Asset Value Per Share [Member] Plan interest in the Master Trust as a percentage of total EBP, Interest in Master Trust, Percentage EBP, Statement of Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Line Items] Loan initiation fee EBP, Note Receivable From Participant, Loan Initiation Fee EBP, Note Receivable From Participant, Loan Initiation Fee Securities Lending EBP, Securities Lending [Policy Text Block] EBP, Securities Lending Entity tax identification number Entity Tax Identification Number Common stock fund percentage of total account, percent threshold EBP, Participant Contribution, Common Stock Fund Percentage Of Total Account, Percent Threshold EBP, Participant Contribution, Common Stock Fund Percentage Of Total Account, Percent Threshold Legal Entity [Axis] Legal Entity [Axis] EBP, Description of Plan [Table] EBP, Description of Plan [Table] Liability to participant EBP, Liability to Participant EBP, Employer Contribution, Type [Domain] EBP, Employer Contribution, Type [Domain] EBP, Employer Contribution, Type [Domain] Distribution installment period EBP, Termination, Distribution Installment Period EBP, Termination, Distribution Installment Period EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Fully Benefit-Responsive Investment Contract [Table] EBP, Fully Benefit-Responsive Investment Contract [Table] Maximum borrowing, amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount FAIR VALUE MEASUREMENTS EBP, Investment, Fair Value and NAV [Text Block] EBP, Fully Benefit-Responsive Investment Contract [Abstract] Investment, excluding plan interest in master trust, fair value EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] EBP, Investment, Fair Value and NAV [Abstract] Vesting period EBP, Employer Contribution Vesting Service Period Minimum Vesting service period for company contribution and/ or investment earning to the participant in Company Matching Contributions, Fixed Rate Contributions, Discretionary Profit-Sharing Contributions, Qualified Non-Elective Contributions, and Disability Contributions. Total Master Trust assets EBP, Asset Excess Contributions Payable EBP, Excess Contribution Payable [Policy Text Block] ASSETS: EBP, Asset [Abstract] Statistical Measurement [Axis] Statistical Measurement [Axis] ADDITIONS: EBP, Change in Net Asset Available for Benefit, Increase [Abstract] EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Statement of Change in Net Asset Available for Benefit [Table] Payment of Benefits EBP, Payment to Participant [Policy Text Block] EBP, Master Trust [Line Items] EBP, Master Trust [Line Items] Asset held for investment, plan interest in master trust, current value EBP, Asset Held for Investment, Plan Interest in Master Trust, Current Value Participants’ contributions EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution Basis of Accounting EBP, Basis of Accounting [Policy Text Block] Receivable for securities sold EBP, Investment Sale, Receivable Requisite service period EBP, Requisite Service Period EBP, Requisite Service Period Plan interest in Master Trust EBP, Investment, Plan Interest in Master Trust, Fair and Contract Value Investment, number of shares (in shares) EBP, Investment, Number of Shares Transfer to plan due to changes in employment status EBP, Change In Net Asset Available For Benefit, Transfer To Plan, Net Transfers Due To Changes In Employment Status EBP, Change In Net Asset Available For Benefit, Transfer To Plan, Net Transfers Due To Changes In Employment Status Threshold age of death for continued annual benefit payments to non-designated beneficiary EBP, Threshold Age Of Death For Continued Annual Benefit Payments To Non-Designated Beneficiary EBP, Threshold Age Of Death For Continued Annual Benefit Payments To Non-Designated Beneficiary Maximum number of primary residence loans outstanding EBP, Note Receivable From Participant, Maximum Number Of Primary Residence Loans Outstanding EBP, Note Receivable From Participant, Maximum Number Of Primary Residence Loans Outstanding EBP, Master Trust [Abstract] Use of Estimates EBP, Use of Estimate [Policy Text Block] Schedule H, Line 4i – Schedule of Assets (Held At End of Year) EBP, Schedule of Asset Held for Investment [Text Block] Cover [Abstract] Minimum Minimum [Member] Investment Type [Axis] Investment Type [Axis] Interest income on notes receivable from participants EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant Investment income — Self-directed brokerage accounts EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment Involuntary cash-out limit EBP, Involuntary Cash-out Limit EBP, Involuntary Cash-out Limit EBP, Description of Plan [Line Items] EBP, Description of Plan [Line Items] Fees paid for trustee services EBP, Fees Paid For Trustee Services EBP, Fees Paid For Trustee Services DESCRIPTION OF THE PLAN EBP, Description of Plan [Text Block] Derivatives Derivative [Member] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Table] EBP, Statement of Net Asset Available for Benefit [Table] Involuntary cash-out threshold for automatic distribution to IRA EBP, Involuntary Cash-out Threshold For Automatic Distribution To Individual Retirement Account EBP, Involuntary Cash-out Threshold For Automatic Distribution To Individual Retirement Account Interest EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Investment EBP, Schedule of Asset Held for Investment [Line Items] EBP, Schedule of Asset Held for Investment [Line Items] EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Domain] EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Domain] Common stock of International Paper Company EBP, Employer, Common Stock [Member] Investment, Identifier [Axis] Investment, Identifier [Axis] Administrative expenses EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense EBP 118 EBP 118 [Member] EBP 118 Stable Value fund at contract value EBP, Investment, Contract Value EBP, General Employer Matching Contribution EBP, General Employer Matching Contribution [Member] EBP, General Employer Matching Contribution Participant compensation matched, percentage EBP, Employer Contribution, Participant Compensation Matched, Percentage EBP, Statement of Change in Net Asset Available for Benefit [Abstract] Maximum vesting age EBP, Employer Contribution Maximum Vesting Age Maximum Vesting age of participant for company contribution and/ or investment earning in Company Matching Contributions, Fixed Rate Contributions, Discretionary Profit-Sharing Contributions, Qualified Non-Elective Contributions, and Disability Contributions. INVESTMENT CONTRACTS EBP, Investment [Text Block] EBP, Investment EBP, Tax Status [Table] EBP, Tax Status [Table] EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract] Dividends Dividend income EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment Primary residence, maximum borrowing term EBP, Note Receivable From Participant, Account, Primary Residence, Maximum Borrowing Term EBP, Note Receivable From Participant, Account, Primary Residence, Maximum Borrowing Term Asset held for investment, excluding plan interest in master trust, current value EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value Collateral held under securities lending Securities lending collateral Collateral Held Under Securities Lending [Member] Collateral Held Under Securities Lending Vesting percentage EBP, Employer Contribution Vesting Percentage Company contribution and/ or investment earning percentage vesting to the participant in Company Matching Contributions, Fixed Rate Contributions, Discretionary Profit-Sharing Contributions, Qualified Non-Elective Contributions, and Disability Contributions, upon completion of minimum service period or attainment of maximum vesting age Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Securities Not Denominated In United States Dollars Securities Not Denominated In United States Dollars [Member] Securities Not Denominated In United States Dollars Payable for securities purchased EBP, Liability for Investment Purchase EBP, Tax Status [Abstract] General loan, minimum borrowing term EBP, Note Receivable From Participant, General Loan, Minimum Borrowing Term EBP, Note Receivable From Participant, General Loan, Minimum Borrowing Term Other payables EBP, Other Liability Investment income — Plan interest in Master Trust EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Change in Plan Interest in Master Trust Benefit liquidation period for minor eligible designated beneficiary EBP, Benefit Liquidation Period For Minor Eligible Designated Beneficiary EBP, Benefit Liquidation Period For Minor Eligible Designated Beneficiary Participant loan, current value EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution Investment Valuation and Income Recognition EBP, Investment [Policy Text Block] PLAN TERMINATION EBP, Plan Termination [Text Block] Entity Central Index Key Entity Central Index Key NET ASSETS AVAILABLE FOR BENEFITS: EBP, Net Asset Available for Benefit [Abstract] EBP, Tax Status [Line Items] EBP, Tax Status [Line Items] Loaned Securities, Type [Domain] Loaned Securities, Type [Domain] Loaned Securities, Type [Domain] Master Trust Balances EBP, Nonconsolidated, Master Trust [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Qualified birth and adoption withdrawals per child, maximum EBP, Qualified Birth And Adoption Withdrawals Per Child, Maximum EBP, Qualified Birth And Adoption Withdrawals Per Child, Maximum SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES EBP, Summary of Accounting Policy [Text Block] Non-cash Collateral Held Under Securities Lending, Noncash [Member] Collateral Held Under Securities Lending, Noncash SUBSEQUENT EVENTS EBP, Subsequent Event [Text Block] INCOME TAX STATUS EBP, Tax Status [Text Block] Maximum borrowing, to total account, percentage EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage Real Estate Funds Real Estate Funds [Member] EBP, Subsequent Event [Line Items] EBP, Subsequent Event [Line Items] Document Information [Table] Document Information [Table] Basis spread on variable rate EBP, Participant Loan, Basis Spread On Variable Rate EBP, Participant Loan, Basis Spread On Variable Rate EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Axis] EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Axis] Redemption notice period EBP, Fair Value, Investment, NAV, Redemption, Notice Period Self-directed brokerage accounts EBP, Investment, Excluding Plan Interest in Master Trust, Fair and Contract Value Entity [Domain] Entity [Domain] Forfeited nonvested account EBP, Forfeited Nonvested Account Matching percentage EBP, Employer Contribution, Matching Percentage Preceding period for general withdrawals EBP, Preceding Period For General Withdrawals EBP, Preceding Period For General Withdrawals Fixed income Fixed Income Investments [Member]