DISCONTINUED OPERATIONS AND OTHER DIVESTITURES - Components of the Net Gain on CF Divestitures (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds, net of cash and cash equivalents disposed of	$ (403)	$ (2,486)	$ 0
Cellulose Fibers
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds, net of cash and cash equivalents disposed of		(2,486)
Net book value of assets and liabilities disposed of		1,678
Transaction costs, net of reimbursement		19
Net book value of contributed assets and transaction costs, net of reimbursement		1,697
Pretax gain on Cellulose Fibers divestitures		789
Income taxes		243
Net gain on divestiture		$ 546	$ 0