Debt (Tables)

12 Months Ended

Dec. 31, 2013

Debt Instruments [Abstract]

Debt

At December 31, our debt consisted of the following:

	2013			2012
	(In millions)
Senior unsecured debt:
Revolving credit facility — LIBOR based loans	$	585		$	—
Money market lines of credit(1)	64			—
Total credit arrangements	649			—
5¾% Senior Notes due 2022	750			750
5⅝% Senior Notes due 2024	1,000			1,000
Total senior unsecured debt	1,750			1,750
7⅛% Senior Subordinated Notes due 2018	600			600
6⅞% Senior Subordinated Notes due 2020	700			700
Discount on notes	(5		)	(5		)
Total long-term debt	$	3,694		$	3,045

 _________________

(1) Because capacity under our credit facility was available to repay borrowings under our money market lines of credit as of the indicated dates, amounts outstanding under these obligations, if any, are classified as long-term.