Exhibit 12.1

Ratio of Earnings to Fixed Charges

	Year Ended December 31,
	2009			2008			2007			2006			2005
	(in millions)
Income before income taxes	$	1,161		$	901		$	660		$	377		$	428
Plus fixed charges:
Interest expense including amortization of debt issuance costs		34			71			77			78			92
Assumed interest element included in rent expense		21			21			17			16			5
		55			92			94			94			97
Adjusted earnings		1,216			993			754			471			525
Fixed charges		(55	)		(92	)		(94	)		(94	)		(97	)
Excess of earnings to cover fixed charges	$	1,161		$	901		$	660		$	377		$	428
Ratio of earnings to fixed charges (1)		22.29			10.84			8.02			5.01			5.41

(1) The ratio of earnings to fixed charges is computed by dividing (i) income before income taxes and losses from equity interests, plus fixed charges by (ii) fixed charges.