FAIR VALUE MEASUREMENTS (Details 3) (Fair Value, Measurements, Non-Recurring, USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Fair Value, Measurements, Non-Recurring
Fair value measurements
Fair value adjustments related to nonfinancial assets or liabilities	$ 0	$ 0	$ 0	$ 0