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Earnings Per Share And Shareholders' Equity (Schedule of Company's Repurchase Program) (Details) (USD $)
In Millions, except Share data in Thousands, unless otherwise specified
 3 Months Ended 0 Months Ended 3 Months Ended 3 Months Ended
May 04, 2013
Apr. 28, 2012
Apr. 28, 2012
November 2011 [Member]
Nov. 12, 2012
February 2012 Repurchase Program [Member]
Apr. 28, 2012
February 2012 Repurchase Program [Member]
May 04, 2013
February 2012 Repurchase Program [Member]
May 04, 2013
November 2012 Repurchase Program [Member]
Amount Authorized     $ 250   $ 500 [1]   $ 250 [1]
Shares Repurchased 1,217 8,251 3,657   4,594   1,217
Amount Repurchased 55 381 164   217   55
Average Stock Price of Shares Repurchased within Program     $ 44.90   $ 47.13   $ 44.91
Remaining authorized repurchase amount       50     184
Share repurchase reflected in Accounts payable           $ 0  
[1] .