EQUITY METHOD INVESTMENTS Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Schedule of Equity Method Investments [Line Items]
Equity earnings (loss), net of taxes	$ 70	$ 20	$ 165	$ 68
Equity method dividends received			$ 122	127
Reportable Subsegments | Graphic Packaging LLC [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of equity interest	20.50%		20.50%
Equity earnings (loss), net of taxes	$ 15		$ 17
Proceeds from dividends received	6		6
Equity method investments	1,119		1,119
Equity method investment, difference between carrying amount and underlying equity	528		528
Revenue from related parties	$ 58		$ 118
Reportable Subsegments | Ilim Holding
Schedule of Equity Method Investments [Line Items]
Percentage of equity interest	50.00%		50.00%
Equity earnings (loss), net of taxes	$ 57	21	$ 149	71
Equity method dividends received			116	127
Equity method investments	374		374		$ 338
Equity method investment, difference between carrying amount and underlying equity	154		154		$ 154
Related party transaction, purchases from related party	$ 56	$ 51	$ 109	$ 98