SUBSEQUENT EVENT Narrative (Details) - Subsequent Event [Member] - Weyerhaeuser Pulp Business [Member] $ in Millions	May. 02, 2016 USD ($) Facilities
Subsequent Event [Line Items]
Payments to acquire businesses, gross \| $	$ 2,200
Estimated realized tax benefit \| $	$ 300
2611 Pulp Mills [Member]
Subsequent Event [Line Items]
Number of facilities to be acquired \| Facilities	5
Converting facility [Member]
Subsequent Event [Line Items]
Number of facilities to be acquired \| Facilities	2

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585

Name:	us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration