RESTRUCTURING AND OTHER COSTS - CONSOLIDATED STATEMENTS OF OPERATIONS (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Restructuring Cost and Reserve [Line Items]
Total restructuring and other costs	$ 6	$ 52	$ 14	$ 96
Cost of products sold
Restructuring Cost and Reserve [Line Items]
Total restructuring and other costs	0	33	(3)	33
Selling, general, and administrative expenses
Restructuring Cost and Reserve [Line Items]
Total restructuring and other costs	3	1	6	1
Restructuring and other costs
Restructuring Cost and Reserve [Line Items]
Total restructuring and other costs	$ 3	$ 18	$ 11	$ 62