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Debt Guarantee Extension (Details) (USD $)
In Millions
3 Months Ended 3 Months Ended
May 01, 2011
Jan. 30, 2011
Aug. 30, 2007
May 02, 2010
Interest and Other, net [Member]
May 01, 2011
Scenario, Previously Reported [Member]
Debt guarantee   $ 938 $ 1,000    
Expiration date of guarantee on loan April 1, 2014       August 30, 2012
Fair value of the guarantee 67   16    
Charge to Interest and Other, net       $ 51