VARIABLE INTEREST ENTITIES (Nonconsolidated Variable Interest Entity) (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Jun. 01, 2016	Dec. 31, 2015
Variable Interest Entity [Line Items]
Net income attributable to noncontrolling interests	$ 14	$ 61	$ 54	$ 79
Investment in nonconsolidated affiliates	3,566		3,566			$ 3,958
Variable Interest in Midwest U.S. Ag Joint Venture [Member]
Variable Interest Entity [Line Items]
Net income attributable to noncontrolling interests		22
Variable Interest Entity, Not Primary Beneficiary [Member] | Hemlock Semiconductor LLC [Member]
Variable Interest Entity [Line Items]
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount	0		0
Variable Interest Entity, Not Primary Beneficiary [Member] | Silicon Inputs Joint Ventures [Member]
Variable Interest Entity [Line Items]
Investment in nonconsolidated affiliates	95		95
Variable Interest Entity, Not Primary Beneficiary [Member] | AFSI [Member]
Variable Interest Entity [Line Items]
Investment in nonconsolidated affiliates	190		190			191
Variable Interest Entity, Not Primary Beneficiary [Member] | Acrylic Acid Joint Venture [Member]
Variable Interest Entity [Line Items]
Investment in nonconsolidated affiliates	163		$ 163			160
Agricultural Sciences [Member] | Midwest US Ag Subsidiary [Member]
Variable Interest Entity [Line Items]
Gain on divestiture of Midwest US Ag Subsidiary		$ 44
Agricultural Sciences [Member] | AFSI [Member]
Variable Interest Entity [Line Items]
Warrants to purchase common shares			6
Accounts and notes receivable	5		$ 5			6
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount	$ 195		$ 195			$ 197
Other Noncurrent Obligations [Member] | Variable Interest Entity, Not Primary Beneficiary [Member] | Hemlock Semiconductor LLC [Member]
Variable Interest Entity [Line Items]
Investment in nonconsolidated affiliates					$ (934)