RELATED PARTY TRANSACTIONS (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Related Party Transaction [Line Items]
Payments of Dividends			$ 775,000,000	$ 675,000,000
Proceeds from Dividends Received	2,000,000	2,000,000	19,000,000	3,000,000
The Dow Chemical Company [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party	685,000,000	963,000,000	2,375,000,000	2,777,000,000
Service Fee with Parent			10.00%
Notes Receivable, Related Parties	2,100,000,000		2,100,000,000		3,200,000,000
Line of Credit Facility, Maximum Borrowing Capacity	1,000,000,000		1,000,000,000
Notes Receivable, Related Parties, Noncurrent	856,000,000		856,000,000		870,000,000
Payments of Dividends	225,000,000	275,000,000	775,000,000	675,000,000
Sundry income (expense) [Member] | The Dow Chemical Company [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party	8,000,000	12,000,000	24,000,000	37,000,000
Cost of Sales [Member] | The Dow Chemical Company [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party	$ 11,000,000	$ 9,000,000	$ 34,000,000	$ 26,000,000