Exhibit 12

Computation of Ratio of Earnings

	Fiscal Year
($ in millions except ratios)	2011			2010			2009		2008			2007
Earnings before income taxes and interest expense	$	1,443		$	1,974		$	1,822	$	1,585		$	1,432
Less: capitalized interest		(4	)		—			—		(8	)		(10	)
Total fixed charges		644			534			537		536			552
Earnings for calculation	$	2,083		$	2,508		$	2,359	$	2,113		$	1,974
Fixed charges:
Gross interest incurred	$	74		$	(8	)	$	6	$	1		$	26
Interest portion of rent expense (1)		570			542			531		535			526
Total fixed charges	$	644		$	534		$	537	$	536		$	552
Preferred stock dividends		—			—			—		—			—
Total fixed charges and preferred dividends	$	644		$	534		$	537	$	536		$	552
Ratio of earnings to fixed charges		3.2			4.7			4.4		3.9			3.6
Ratio of earnings to combined fixed charges and preferred dividends		3.2			4.7			4.4		3.9			3.6

(1) The interest portion of rent expense is calculated as forty-eight percent of rent expense.