REVENUE RECOGNITION (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Revenue from External Customer [Line Items]
NET SALES	$ 933	$ 919	$ 1,838	$ 1,860
Contract liabilities	2		2		$ 8
Europe
Revenue from External Customer [Line Items]
NET SALES	205	210	412	440
Latin America
Revenue from External Customer [Line Items]
NET SALES	235	235	443	441
North America
Revenue from External Customer [Line Items]
NET SALES	493	474	983	979
Uncoated Papers | Europe
Revenue from External Customer [Line Items]
NET SALES	180	192	366	395
Uncoated Papers | Latin America
Revenue from External Customer [Line Items]
NET SALES	220	215	416	401
Uncoated Papers | North America
Revenue from External Customer [Line Items]
NET SALES	474	463	945	949
Market Pulp | Europe
Revenue from External Customer [Line Items]
NET SALES	25	18	46	45
Market Pulp | Latin America
Revenue from External Customer [Line Items]
NET SALES	15	20	27	40
Market Pulp | North America
Revenue from External Customer [Line Items]
NET SALES	$ 19	$ 11	$ 38	$ 30