NONCONTROLLING INTERESTS - Summary of Noncontrolling Interests (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Balance at beginning of period	$ 566	$ 1,654	$ 569	$ 1,608
Net income attributable to noncontrolling interests	7	34	13	85
Distributions to noncontrolling interests	(4)	(1)	(10)	(12)
Cumulative translation adjustments	3	9	(5)	16
Spin-off of Dow and Corteva	0	(1,124)	0	(1,124)
Other	0	(2)	5	(3)
Balance at end of period	$ 572	$ 570	$ 572	$ 570