NONCONTROLLING INTERESTS Noncontrolling Interests (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Apr. 30, 2019
Noncontrolling Interest [Line Items]
Dividends Paid to a Joint Venture Not Included in Distributions to NCI				$ 6
Variable Interest Entity Purchase Amount					$ 312
Transfer of Business Under Common Control			$ (1,963)	215
Payments to Noncontrolling Interests			127	0
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest	$ (15)	$ (25)	(47)	(46)
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Noncontrolling Interest	0	(6)	(13)	(20)
Balance at beginning of period			1,138
Balance at end of period	589	1,152	589	1,152
Noncontrolling Interest [Member]
Noncontrolling Interest [Line Items]
Transfer of Business Under Common Control	(353)	0	(353)	0
Payments to Noncontrolling Interests	(254)	0	(254)	0
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest	15	25	47	46
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Noncontrolling Interest	0	6	13	20
Balance at beginning of period	1,180	1,190	1,138	1,186
Distributions to noncontrolling interests 1	(5)	(37)	(14)	(61)
Cumulative translation adjustments	6	(34)	13	(40)
Other	0	2	(1)	1
Balance at end of period	589	1,152	589	1,152
Discontinued Operations [Member]
Noncontrolling Interest [Line Items]
Distributions to noncontrolling interests 1	0	$ (23)	(7)	$ (28)
Propylene Oxide Joint Venture [Member]
Noncontrolling Interest [Line Items]
Variable Interest Entity Purchase Amount	156		$ 156		$ 283
Other Additional Capital	29
Payments to Noncontrolling Interests	$ 127