RESTRUCTURING ACTIVITIES (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Restructuring Cost and Reserve [Line Items]
Income statement (income) expense	$ 14	$ (3)
Invigorate Program
Restructuring Cost and Reserve [Line Items]
Income statement (income) expense	14	(2)	$ 51
Invigorate Program | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Income statement (income) expense	9		22
Invigorate Program | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Income statement (income) expense	$ 5	$ (2)	$ 29