INCOME TAXES (Reconciliation to U.S. Statutory Rate) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Taxes at U.S. statutory rate		$ 1,545	$ 3,476	$ 1,843
Equity earnings effect		(52)	(197)	(307)
Foreign income taxed at rates other than 35% (1)	[1]	(309)	(398)	(195)
U.S. tax effect of foreign earnings and dividends, Negative Amount		(204)
U.S. tax effect of foreign earnings and dividends			130	54
Goodwill impact from divestitures		5	57	0
Discrete equity earnings (2)	[2]	0	21	26
Change in valuation allowances		8	(32)	33
Unrecognized tax benefits		(34)	81	(30)
Federal tax accrual adjustments		(6)	13	(3)
Gain on ownership restructure of Dow Corning (3)	[3]	(993)	0	0
Non-deductible costs associated with transactions and productivity actions		33	0	0
Impact from split-off of chlorine value chain (4)	[4]	21	(763)	0
Gain on Univation step acquisition (3)	[3]	0	(124)	0
Gain on sale of MEGlobal (5)	[5]	0	(120)	0
Other - net		(5)	3	5
Total tax provision		$ 9	$ 2,147	$ 1,426
Effective tax rate		0.20%	21.60%	27.10%

[1] Includes the tax provision for statutory taxable income in foreign jurisdictions for which there is no corresponding amount in “Income Before Income Taxes.”

[2] Includes nonrecurring charges related to equity in earnings of nonconsolidated affiliates in 2015 and 2014.

[3] See Note 4 for further information.

[4] See Note 6 for further information.

[5] See Note 5 for further information.