ACQUISITIONS Schedule of Finite-Lived Assets Acquired As Part of a Business Combination (Details) - Weyerhaeuser Pulp Business [Member] - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2016
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired	$ 212
Customer relationships and lists
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired	95
Acquired finite-lived intangible assets, weighted average useful life		24 years
Trade names, patents, trademarks and developed technology
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired	113
Acquired finite-lived intangible assets, weighted average useful life		8 years
Other
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired	$ 4
Acquired finite-lived intangible assets, weighted average useful life		10 years