INVENTORIES 2 (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cost of products and services sold	$ 22,169	$ 24,339	$ 29,046
Change In Accounting Principle Other [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Percentage of LIFO Inventory	6.00%
Change In Accounting Principle Other [Member] | Product [Member] | Performance Materials And Technologies [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cost of products and services sold	$ (7)