EQUITY METHOD INVESTMENTS Summarized Financial Information of Equity Method Investees (Details) - Reportable Subsegments - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Graphic Packaging LLC [Member]
Schedule of Equity Method Investments [Line Items]
Current assets	$ 1,831		$ 1,757
Noncurrent assets	5,450		5,292
Current liabilities	995		1,148
Noncurrent liabilities	3,528		3,156
Net sales	1,506	$ 1,476
Gross profit	266	223
Income from continuing operations	95	62
Net income	95	62
Ilim Holding
Schedule of Equity Method Investments [Line Items]
Current assets	1,136		981
Noncurrent assets	2,019		1,710
Current liabilities	706		545
Noncurrent liabilities	1,542		1,470
Noncontrolling interests	18		$ 11
Net sales	620	677
Gross profit	336	375
Income from continuing operations	205	189
Net income	$ 199	$ 183