COMMITMENTS AND CONTINGENCIES (Details) € in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Dec. 31, 2017 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Sep. 30, 2019 EUR (€)
Loss Contingencies [Line Items]
Liability for Asbestos and Environmental Claims, Net			$ 104,000,000
Italian Competition Authority [Member]
Loss Contingencies [Line Items]
Potentially Responsible Parties				30
Loss Contingency Accrual				$ 28,000,000			€ 29
San Jacinto River Superfund Site
Loss Contingencies [Line Items]
Loss contingency, damages sought, value		$ 115,000,000
Responsible party percentage	50.00%
San Jacinto River Superfund Site | Southern Impoundment [Member]
Loss Contingencies [Line Items]
Loss contingency, damages sought, value			25,000,000
Liability for Asbestos and Environmental Claims, Net						$ 10,000,000
Secretariat of the Federal Revenue Bureau of Brazil [Member]
Loss Contingencies [Line Items]
Loss Contingency Accrual			48,000,000		$ 48,000,000
Income tax examination, estimate of possible loss			109,000,000
Income tax examination, penalties and interest expense			$ 346,000,000
Responsible party percentage-Sylvamo			40.00%
Responsible party percentage			60.00%
Shared Tax Assessment Payment			$ 300,000,000