FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Tables)

3 Months Ended

Mar. 31, 2013

FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS

Schedule of the carrying amounts and estimated fair values of material financial instruments

	As of March 31, 2013				As of December 31, 2012
	Carrying		Fair		Carrying		Fair
(In millions)	Amount		Value		Amount		Value
Total debt	$	888	$	935	$	876	$	920