DIVESTITURES Material Sciences Components of Income (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income from discontinued operations, net of tax	$ 0	$ 566	$ 0	$ 1,212
Income (Loss) from Discontinued Operations, Attributable to Noncontrolling Interests, Net of Tax	$ 0	$ (25)	$ 0	72
Materials Science Division [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net Sales, Discontinued Operation				10,867
Cost of Sales, Discontinued Operations				8,917
Research and Development Expense, Discontinued Operations				163
Selling, General and Administrative Expense, Discontinued Operations				329
Amortization of Intangibles, Discontinued Operations				116
Restructuring and Asset Related Charges - Net, Discontinued Operations				157
Integration and Separation Costs, Discontinued Operations				44
Equity in Earnings on Nonconsolidated Affiliates, Discontinued Operations				(13)
Sundry Income (expense), Discontinued Operations				99
Interest Expense, Discontinued Operations				240
Income (Loss) from Discontinued Operation, before Income Tax				987
Provision for Income Taxes on Discontinued Operations				261
Income from discontinued operations, net of tax				726
Income (Loss) from Discontinued Operations, Attributable to Noncontrolling Interests, Net of Tax				37
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent				$ 689