Exhibit 12

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

(In millions, except ratios)

	Year Ended December 31,															Nine Months Ended September 30,
	2009			2010			2011			2012			2013			2014
Earnings:
(Loss) income from continuing operations before (benefit) provision for income taxes	$	(107	)	$	(63	)	$	164		$	88		$	605		$	539
Add:
Fixed charges, net of capitalized interest	288			279			271			504			521			389
Total earnings available for fixed charges	181			216			435			592			1,126			928
Fixed charges (1):
Interest expense, net	226			255			228			512			475			436
Add back interest income, which is netted in interest expense	1			1			1			2			1			1
Add back gains (losses) on bond repurchases/retirement of subordinated convertible debentures, included in interest expense	20			(28		)	(5		)	(72		)	(3		)	(80		)
Interest expense—subordinated convertible debentures, net	(4		)	8			7			4			3			—
Capitalized interest	1			—			—			—			—			—
Interest component of rent expense	45			43			40			58			45			32
Fixed charges	$	289		$	279		$	271		$	504		$	521		$	389
Ratio of earnings to fixed charges	—  (2)			—  (2)			1.6x			1.2x			2.2x			2.4x

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(1) Fixed charges consist of interest expense, which includes amortization of deferred finance charges, interest expense-subordinated debentures, capitalized interest and imputed interest on our lease obligations. The interest component of rent was determined based on an estimate of a reasonable interest factor at the inception of the leases.

(2) Due to our losses for the years ended December 31, 2010 and 2009, the ratio coverage was less than 1:1 for these years. We would have had to have generated additional earnings of $63 and $108 for the years ended December 31, 2010 and 2009, respectively, to have achieved coverage ratios of 1:1.