Exhibit 12

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

(In millions, except ratios, unaudited)	Year Ended December 31,										Six Months Ended June 30,
	2007		2008		2009		2010		2011		2012
Earnings:
Pre-tax income from continuing operations	$	5,674	$	5,854	$	8,381	$	10,796	$	12,326	$	7,002
Add:
Fixed charges		56		108		109		103		185		161
Pre-tax income from continuing operations plus fixed charges	$	5,730	$	5,962	$	8,490	$	10,899	$	12,511	$	7,163
Fixed charges:
Interest expense and amortization of capitalized expenses related to indebtedness	$	1	$	3	$	1	$	5	$	58	$	42
Estimated interest component included in rent expense		55		105		108		98		127		119
Total fixed charges	$	56	$	108	$	109	$	103	$	185	$	161
Ratio of earnings to fixed charges		103		55		78		106		68		44