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Income Taxes (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Nov. 02, 2013
Oct. 27, 2012
Nov. 02, 2013
Oct. 27, 2012
Feb. 02, 2013
Effective Income Tax Rate, Continuing Operations 35.00% 42.40% 37.30% 40.10%  
Combined Estimated Federal And State Rate 39.00% 39.00% 39.00% 39.00%  
Income Taxes Paid $ 123 $ 18 $ 431 $ 306  
Unrecognized Tax Benefits         185
Unrecognized Tax Benefits that Would Impact Effective Tax Rate         160
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit 87   87    
Unrecognized Tax Benefits, Period Increase (Decrease)     (36)    
Change in Unrecognized Tax Benefits That Impacted the Effective Tax Rate     2    
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued         $ 26