EQUITY AFFILIATES - Assets and Liabilities of Equity Affiliates (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Schedule of Equity Method Investments [Line Items]
Current assets	$ 89	$ 123
Noncurrent assets	101	413
Current liabilities	25	30
Noncurrent liabilities	$ 6	$ 109