DISCONTINUED OPERATIONS AND OTHER DIVESTITURES - Components of the Net Gain on CF Divestitures (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds, net of cash and cash equivalents disposed of	$ 0	$ 403	$ 2,486
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 Cellulose Fibers divestitures			$ 546