INDUSTRY SEGMENT INFORMATION Operating Profit by Industry Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating profit	$ 697	$ 157	$ 1,209	$ 571
Earnings (loss) from continuing operations before income taxes and equity earnings	490	(23)	846	194
Interest expense, net	(133)	(137)	(268)	(279)
Noncontrolling interests/equity earnings adjustment	(4)	(1)	(5)	(1)
Corporate items, net	30	17	39	41
Corporate special items, net	12	(7)	21	(7)
Non-operating pension expense	36	46	40	84
Non-operating pension expense		34		65
Segment Reconciling Items
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Interest expense, net	133	137	268	279
Industrial Packaging
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating profit	537	64	974	448
Global Cellulose Fibers
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating profit	66	7	77	(63)
Printing Papers
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating profit	$ 94	$ 86	$ 158	$ 186