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Share Repurchase (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
 3 Months Ended 9 Months Ended
Nov. 02, 2013
Oct. 27, 2012
Nov. 02, 2013
Oct. 27, 2012
Share Repurchase Information        
Total number of shares purchased 0 1.7 21.9 21.8
Repurchase of stock, average price per share (in dollars per share) $ 0.00 $ 62.90 $ 67.41 $ 57.53
Total Investment $ 0 $ 104 $ 1,474 $ 1,255
Total number of shares purchased 0 [1] 0.1 [1] 0.2 [1] 0.5 [1]
Cash investment
        
Share Repurchase Information        
Total Investment 0 [1] 4 [1] 14 [1] 25 [1]
Prepaid forward contracts market value
        
Share Repurchase Information        
Aggregate market value(b) $ 0 [1],[2] $ 5 [1],[2] $ 17 [1],[2] $ 29 [1],[2]
[1] These contracts are among the investment vehicles used to reduce our economic exposure related to our nonqualified deferred compensation plans. The details of our positions in prepaid forward contracts are provided in Note 7.
[2] At their respective settlement dates.