RELATED PARTY TRANSACTIONS (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Related Party Transaction [Line Items]
Payments of Dividends			$ 169,000,000	$ 550,000,000
Proceeds from Dividends Received	5,000,000	10,000,000	5,000,000	17,000,000
The Dow Chemical Company [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party	732,000,000	850,000,000	1,514,000,000	1,690,000,000
Service Fee with Parent			10.00%
Notes Receivable, Related Parties	1,900,000,000		1,900,000,000		2,300,000,000
Line of Credit Facility, Maximum Borrowing Capacity	1,000,000,000		1,000,000,000
Notes Receivable, Related Parties, Noncurrent	835,000,000		835,000,000		820,000,000
Payments of Dividends	69,000,000	275,000,000	169,000,000	550,000,000
Sundry income (expense) [Member] | The Dow Chemical Company [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party	6,000,000	8,000,000	13,000,000	16,000,000
Cost of Sales [Member] | The Dow Chemical Company [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party	$ 13,000,000	$ 11,000,000	$ 24,000,000	$ 23,000,000