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- Definition

Responsible Party Percentage

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- Definition

Responsible Party Percentage-Sylvamo

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- Definition

Shared Tax Assessment Payment

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- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

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- Definition

Increase (decrease) in the accrual for environmental loss contingencies during the reporting period.

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- Definition

Estimated amount of loss resulting from an adverse tax position.

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The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations.

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- Definition

Carrying amount as of the balance sheet date of reserves for the costs of settling insured claims and costs incurred in the claims settlement process attributable to asbestos and environmental claims, before estimated recoveries from reinsurers.

+ References

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The increase (decrease) during the reporting period in asbestos and environmental claims reserve, net of reinsurance recoveries.

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- Definition

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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Amount of loss contingency liability.

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Amount of damages awarded to the plaintiff in the legal matter.

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The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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- Definition

Number of defendants named in a legal action.

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COMMITMENTS AND CONTINGENCIES (Details) € in Millions, $ in Millions			1 Months Ended			9 Months Ended	12 Months Ended
	Jul. 29, 2025 defendant	Oct. 11, 2024 USD ($)	Jul. 31, 2024 USD ($)	Jul. 31, 2024 EUR (€)	Apr. 30, 2019 producer	Sep. 30, 2026 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2020	Dec. 31, 2016 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2019 EUR (€)
Loss Contingencies [Line Items]
Liability for asbestos and environmental claims, gross						$ 260	$ 270
Liability for asbestos and environmental claims, net						$ 113	103
Secretariat of the Federal Revenue Bureau of Brazil
Loss Contingencies [Line Items]
Responsible party percentage						60.00%
Loss contingency accrual						$ 48							$ 48
Income tax examination, estimate of possible loss		$ 277				440
Income tax examination, penalties and interest expense						$ 327
Responsible party percentage-Sylvamo						40.00%
Shared tax assessment payment						$ 300
Secretariat of the Federal Revenue Bureau of Brazil \| Tax Year 2007-2015
Loss Contingencies [Line Items]
Income tax examination, estimate of possible loss						113
Artuso Pastry Foods Corp v. Packaging Corp. of America (N.D. Ill.)
Loss Contingencies [Line Items]
Loss contingency, number of defendants \| defendant	12
Italian Competition Authority
Loss Contingencies [Line Items]
Loss contingency, number of defendants \| producer					30
Loss contingency accrual														$ 31	€ 29
Accrual for environmental loss contingencies, period decrease			$ 6	€ 6
Cass Lake, Minnesota
Loss Contingencies [Line Items]
Accrual for environmental loss contingencies						47	47
Kalamazoo River Superfund Site
Loss Contingencies [Line Items]
Loss contingency, damages sought, value										$ 37
Liability for asbestos and environmental claims, net						14	20					$ 27
Environmental remediation reserve adjustments							7	$ 27
Kalamazoo River Superfund Site \| Georgia-Pacific Consumer Products LP, Fort James Corporation and Georgia Pacific LLC Cost Recovery Action
Loss Contingencies [Line Items]
Loss contingency, damages sought, value						79
Loss contingency, damages awarded, value						$ 50
Loss contingencies, share of damages						15.00%
San Jacinto River Superfund Site
Loss Contingencies [Line Items]
Liability for asbestos and environmental claims, net						$ 96	97
Responsible party percentage									50.00%
Versailles Pond
Loss Contingencies [Line Items]
Liability for asbestos and environmental claims, net						$ 29	$ 29				$ 30