GOODWILL AND OTHER INTANGIBLES Changes in Goodwill Balances (Details) - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2018	Dec. 31, 2017
Goodwill [Line Items]
Beginning balance		$ 5,584
Accumulated impairment losses (a)	[1]	(2,173)
Total		3,371	$ 3,411
Currency translation and other (b)	[2]	(38)
Additions/reductions		(2)
Accumulated impairment losses (a)	[1]	(2,173)
Ending balance		5,544
Industrial Packaging
Goodwill [Line Items]
Beginning balance		3,382
Accumulated impairment losses (a)	[1]	(296)
Total		3,084	3,086
Currency translation and other (b)	[2]	0
Additions/reductions	[3]	(2)
Accumulated impairment losses (a)	[1]	(296)
Ending balance		3,380
Global Cellulose Fibers
Goodwill [Line Items]
Beginning balance		52
Accumulated impairment losses (a)	[1]	0
Total		52	52
Currency translation and other (b)	[2]	0
Additions/reductions		0
Accumulated impairment losses (a)	[1]	0
Ending balance		52
Printing Papers
Goodwill [Line Items]
Beginning balance		2,150
Accumulated impairment losses (a)	[1]	(1,877)
Total		235	$ 273
Currency translation and other (b)	[2]	(38)
Additions/reductions		0
Accumulated impairment losses (a)	[1]	(1,877)
Ending balance		$ 2,112

[1] Represents accumulated goodwill impairment charges since the adoption of ASC 350, "Intangibles-Goodwill and Other" in 2002.

[2] Represents the effects of foreign currency translations and reclassifications.

[3] Reflects a reduction from tax benefits generated by the deduction of goodwill amortization for tax purposes in the US.