EQUITY METHOD INVESTMENTS Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Schedule of Equity Method Investments [Line Items]
Equity earnings (loss), net of taxes	$ 114	$ 95
Equity method dividends received	$ 6	116
Reportable Subsegments | Graphic Packaging LLC [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of equity interest	20.50%
Equity earnings (loss), net of taxes	$ 13	2
Equity method dividends received	6
Equity method investments	1,100		$ 1,100
Equity method investment, difference between carrying amount and underlying equity	568		562
Revenue from related parties	$ 69	60
Reportable Subsegments | Ilim Holding
Schedule of Equity Method Investments [Line Items]
Percentage of equity interest	50.00%
Equity earnings (loss), net of taxes	$ 101	92
Equity method dividends received		116
Equity method investments	594		478
Equity method investment, difference between carrying amount and underlying equity	150		$ 145
Related party transaction, purchases from related party	$ 53	$ 53