BASIS OF PRESENTATION (Policies)	6 Months Ended
Jun. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Accounting	Prior to the spin-off, we historically operated as part of International Paper and not as a standalone company. These condensed consolidated and combined financial statements reflect the combined historical results of operations and cash flows of the Company as historically managed within International Paper for the periods prior to the completion of the spin-off and reflect our consolidated financial position, results of operations and cash flows for the period after the completion of the spin-off. The condensed consolidated and combined financial statements have been prepared in United States (“U.S.”) dollars and in conformity with accounting principles generally accepted in the United States (‘‘U.S. GAAP’’). We recommend that the accompanying condensed consolidated and combined financial statements be read in conjunction with the audited consolidated combined financial statements and the notes thereto included in our 2021 Form 10-K. The accompanying condensed consolidated and combined financial statements reflect all normal and recurring adjustments that are, in the opinion of management, necessary for the fair presentation of the financial position, results of operations and cash flows for the interim periods presented. The results of operations for any interim period are not indicative of the results that might be achieved for a full year.
Consolidation	All intracompany transactions have been eliminated. Related party transactions between the Company and International Paper relating to general operating activities have been included in these condensed consolidated and combined financial statements. These related party transactions historically settled in cash between the Company and International Paper have been reflected in the condensed consolidated and combined statements of cash flows as either “Accounts and notes receivable” or “Accounts payable and accrued liabilities” within operating activities. The aggregate net effect of transactions with International Paper not settled in cash, including corporate allocations, has been reflected in the condensed consolidated and combined statements of cash flows as “Net transfers from Parent” within financing activities. In addition, certain of the Company’s Europe locations participated in International Paper’s centralized cash pooling arrangement. Amounts due from the cash pool were generally settled on a daily basis with the aggregate net activity between the Company and International Paper reflected in the condensed consolidated and combined statements of cash flows as “Cash pool arrangements with Parent” within investing activities. Our participation in International Paper’s centralized cash pooling arrangements was terminated prior to September 30, 2021. International Paper utilized a centralized approach to cash management and financing its operations. This arrangement was not reflective of the manner in which the Company would have been able to finance its operations had it been independent from International Paper for the periods prior to the completion of the spin-off. The cash and temporary investments held by International Paper at the corporate level were not specifically identifiable to the Company and therefore were not reflected in the Company’s condensed combined statements of cash flows. Cash and temporary investments in the condensed combined statements of cash flows for the periods prior to the completion of the spin-off represent only cash and temporary investments held locally by the Company.The condensed combined financial statements for the periods prior to the completion of the spin-off included certain assets and liabilities that were historically held at the International Paper corporate level but were specifically identifiable or otherwise attributable to the Company. International Paper’s third-party debt and the related interest expense have not been allocated to the Company for any of the periods presented as the Company was not the legal obligor of such debt. During the third quarter of 2021, we entered into a series of financing transactions under which we incurred $1.5 billion of debt in conjunction with our spin-off from International Paper, consisting of two term loan facilities, the 7% senior notes due 2029 (the “2029 Senior Notes”) and borrowings from our cash flow-based revolving credit facility. The proceeds of the debt were used primarily to fund a $1.5 billion special payment to International Paper on September 29, 2021 and pay related fees and expenses.
Recently Issued Accounting Pronouncements Not Yet Adopted	Recently Issued Accounting Pronouncements Not Yet Adopted Reference Rate Reform In March 2020, the FASB issued ASU 2020-04, “Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting.” This guidance provides companies with optional guidance to ease the potential accounting burden associated with transitioning away from reference rates that are expected to be discontinued. This guidance is effective upon issuance and generally can be applied through December 31, 2022. We will apply the amendments in this update to account for contract modifications due to changes in reference rates once those occur. We do not expect these amendments to have a material impact on our condensed consolidated and combined financial statements.

BASIS OF PRESENTATION (Policies)

6 Months Ended

Jun. 30, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Prior to the spin-off, we historically operated as part of International Paper and not as a standalone company. These condensed consolidated and combined financial statements reflect the combined historical results of operations and cash flows of the Company as historically managed within International Paper for the periods prior to the completion of the spin-off and reflect our consolidated financial position, results of operations and cash flows for the period after the completion of the spin-off. The condensed consolidated and combined financial statements have been prepared in United States (“U.S.”) dollars and in conformity with accounting principles generally accepted in the United States (‘‘U.S. GAAP’’). We recommend that the accompanying condensed consolidated and combined financial statements be read in conjunction with the audited consolidated combined financial statements and the notes thereto included in our 2021 Form 10-K. The accompanying condensed consolidated and combined financial statements reflect all normal and recurring adjustments that are, in the opinion of management, necessary for the fair presentation of the financial position, results of operations and cash flows for the interim periods presented. The results of operations for any interim period are not indicative of the results that might be achieved for a full year.

Consolidation

All intracompany transactions have been eliminated. Related party transactions between the Company and International Paper relating to general operating activities have been included in these condensed consolidated and combined financial statements. These related party transactions historically settled in cash between the Company and International Paper have been reflected in the condensed consolidated and combined statements of cash flows as either “Accounts and notes receivable” or “Accounts payable and accrued liabilities” within operating activities.

The aggregate net effect of transactions with International Paper not settled in cash, including corporate allocations, has been reflected in the condensed consolidated and combined statements of cash flows as “Net transfers from Parent” within financing activities.

In addition, certain of the Company’s Europe locations participated in International Paper’s centralized cash pooling arrangement. Amounts due from the cash pool were generally settled on a daily basis with the aggregate net activity between the Company and International Paper reflected in the condensed consolidated and combined statements of cash flows as “Cash pool arrangements with Parent” within investing activities. Our participation in International Paper’s centralized cash pooling arrangements was terminated prior to September 30, 2021.

International Paper utilized a centralized approach to cash management and financing its operations. This arrangement was not reflective of the manner in which the Company would have been able to finance its operations had it been independent from International Paper for the periods prior to the completion of the spin-off. The cash and temporary investments held by International Paper at the corporate level were not specifically identifiable to the Company and therefore were not reflected in the Company’s condensed combined statements of cash flows. Cash and temporary investments in the condensed combined statements of cash flows for the periods prior to the completion of the spin-off represent only cash and temporary investments held locally by the Company.The condensed combined financial statements for the periods prior to the completion of the spin-off included certain assets and liabilities that were historically held at the International Paper corporate level but were specifically identifiable or otherwise attributable to the Company. International Paper’s third-party debt and the related interest expense have not been allocated to the Company for any of the periods presented as the Company was not the legal obligor of such debt. During the third quarter of 2021, we entered into a series of financing transactions under which we incurred $1.5 billion of debt in conjunction with our spin-off from International Paper, consisting of two term loan facilities, the 7% senior notes due 2029 (the “2029 Senior Notes”) and borrowings from our cash flow-based revolving credit facility. The proceeds of the debt were used primarily to fund a $1.5 billion special payment to International Paper on September 29, 2021 and pay related fees and expenses.

Recently Issued Accounting Pronouncements Not Yet Adopted

Reference Rate Reform

In March 2020, the FASB issued ASU 2020-04, “Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting.” This guidance provides companies with optional guidance to ease the potential accounting burden associated with transitioning away from reference rates that are expected to be discontinued. This guidance is effective upon issuance and generally can be applied through December 31, 2022. We will apply the amendments in this update to account for contract modifications due to changes in reference rates once those occur. We do not expect these amendments to have a material impact on our condensed consolidated and combined financial statements.