NONCONSOLIDATED AFFILIATES AND RELATED COMPANY TRANSACTIONS, Summarized Financial Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015		Dec. 31, 2014	Dec. 31, 2013	[3]
Schedule of Equity Method Investments [Line Items]
Percent of principal nonconsolidated entities financial information which is presented	100.00%
Principal Nonconsolidated Affiliates [Member]
Schedule of Equity Method Investments [Line Items]
Current assets	$ 8,794	[1]	$ 9,611
Noncurrent assets	31,723	[1]	27,025
Total assets	40,517	[1]	36,636
Current liabilities	9,850	[1]	6,321
Noncurrent liabilities	21,461	[1]	21,047
Total liabilities	31,311	[1]	27,368
Noncontrolling interests	663	[1]	666
Sales	15,468	[2]	19,333	$ 18,257
Gross profit	3,206	[2]	3,526	3,403
Net income	$ 1,343	[2]	$ 1,673	$ 1,906

[1] The summarized balance sheet information for 2015 does not include Univation; MEGlobal is included as part of EQUATE.

[2] The summarized income statement information for 2015 includes the results of Univation through April 30, 2015 and MEGlobal through November 30, 2015.

[3] The summarized income statement information for 2013 does not include the results of The Kuwait Styrene Company K.S.C. as this entity became a principal nonconsolidated affiliate in 2014.