GOODWILL AND OTHER INTANGIBLES Changes in Goodwill Balances (Details) - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2019	Dec. 31, 2018
Goodwill [Line Items]
Beginning balance		$ 5,547
Accumulated impairment losses (a)		(2,173)
Total		3,441	$ 3,374
Currency translation and other (b)	[1]	3
Additions/reductions		(48)
Accumulated impairment losses (a)		(2,061)
Ending balance		5,502
Accumulated impairment loss, other increases decreases		112
Industrial Packaging
Goodwill [Line Items]
Beginning balance		3,379
Accumulated impairment losses (a)		(296)
Total		3,147	3,083
Currency translation and other (b)	[1]	0
Additions/reductions	[2]	64
Accumulated impairment losses (a)		(296)
Ending balance		3,443
Accumulated impairment loss, other increases decreases		0
Global Cellulose Fibers
Goodwill [Line Items]
Beginning balance		52
Accumulated impairment losses (a)		0
Total		52	52
Currency translation and other (b)	[1]	0
Additions/reductions		0
Accumulated impairment losses (a)		0
Ending balance		52
Accumulated impairment loss, other increases decreases		0
Printing Papers
Goodwill [Line Items]
Beginning balance		2,116
Accumulated impairment losses (a)		(1,877)
Total		242	$ 239
Currency translation and other (b)	[1]	3
Additions/reductions	[3]	(112)
Accumulated impairment losses (a)		(1,765)
Ending balance		2,007
Accumulated impairment loss, other increases decreases	[3]	$ 112

[1] Represents the effects of foreign currency translations

[2] Reflects the provisional goodwill for the acquisitions of Industrial Packaging box plants in EMEA.

[3] Reflects the reclassification of India goodwill and accumulated impairment losses to held for sale.