DIVESTITURE - Cash Flow Statement (Details) - Global Cellulose Fibers Business - Discontinued Operations, Held-for-Sale or Disposed of by Sale - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash Provided By (Used For) Operating Activities	$ 5	$ 154
Cash Provided By (Used For) Investment Activities	$ (103)	$ (93)

Amount of cash inflow (outflow) from investing activity attributable to discontinued operation. Investing activity includes, but is not limited to, making and collecting loan, acquiring and disposing of debt and equity instruments, property, plant, and equipment, and other productive assets.

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Amount of cash inflow (outflow) from operating activity attributable to discontinued operation. Operating activity includes, but is not limited to, transaction, adjustment, and change in value not defined as investing or financing activity.

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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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 360
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