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Spinoff Transaction, Common Stock Distributed, Percentage

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The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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Amount of transactions with related party during the financial reporting period.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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BACKGROUND AND SUMMARY OF BUSINESS (Details) $ in Millions		12 Months Ended
BACKGROUND AND SUMMARY OF BUSINESS (Details) $ in Millions	Sep. 29, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2023	Oct. 01, 2021	Sep. 30, 2021 USD ($) term_loan
Schedule of Equity Method Investments [Line Items]
General corporate expenses		$ 119
Long-term debt					$ 1,500
Number of term loans \| term_loan					2
Debt Instrument, interest rate, stated percentage			7.00%
Seven Percent Senior Notes Due 2029 \| Senior Notes
Schedule of Equity Method Investments [Line Items]
Debt Instrument, interest rate, stated percentage			7.00%		7.00%
International Paper \| Sylvamo Corporation
Schedule of Equity Method Investments [Line Items]
Ownership percentage by parent				19.90%
International Paper
Schedule of Equity Method Investments [Line Items]
Spinoff transaction, common stock distributed, percentage				80.10%
International Paper \| Special Payment
Schedule of Equity Method Investments [Line Items]
Payment related to letter agreement	$ 1,500