REVENUE RECOGNITION (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Revenue from External Customer [Line Items]
NET SALES	$ 965	$ 897	$ 2,803	$ 2,757
Contract liabilities	1		1		$ 8
Europe
Revenue from External Customer [Line Items]
NET SALES	193	184	605	624
Latin America
Revenue from External Customer [Line Items]
NET SALES	240	237	683	678
North America
Revenue from External Customer [Line Items]
NET SALES	532	476	1,515	1,455
Uncoated Papers | Europe
Revenue from External Customer [Line Items]
NET SALES	168	162	534	558
Uncoated Papers | Latin America
Revenue from External Customer [Line Items]
NET SALES	223	225	639	626
Uncoated Papers | North America
Revenue from External Customer [Line Items]
NET SALES	510	464	1,455	1,413
Market Pulp | Europe
Revenue from External Customer [Line Items]
NET SALES	25	22	71	66
Market Pulp | Latin America
Revenue from External Customer [Line Items]
NET SALES	17	12	44	52
Market Pulp | North America
Revenue from External Customer [Line Items]
NET SALES	$ 22	$ 12	$ 60	$ 42