INCOME TAXES (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Tax Examination [Line Items]
Income tax provision	$ 5	$ 30	$ 11	$ 47
Effective income tax rate reconciliation, percent	25.00%	27.00%	21.00%	27.00%
Income tax examination, estimate of possible loss			$ 108
Income tax examination, penalties and interest expense			278
Income tax examination, tax liability, threshold	$ 300		$ 300
International Paper
Income Tax Examination [Line Items]
Income tax examination, tax liabilities payable, percentage	60.00%		60.00%
Sylvamo
Income Tax Examination [Line Items]
Income tax examination, tax liabilities payable, percentage	40.00%		40.00%