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Income Taxes (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Aug. 03, 2013
Jul. 28, 2012
Aug. 03, 2013
Jul. 28, 2012
Feb. 02, 2013
Effective Income Tax Rate, Continuing Operations 36.70% 37.40% 37.90% 39.40%  
Combined Estimated Federal And State Rate 39.00% 39.00% 39.00% 39.00%  
Income Taxes Paid $ 108 $ 100 $ 308 $ 288  
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 90   90    
Unrecognized Tax Benefits, Period Increase (Decrease)     34    
Change in Unrecognized Tax Benefits That Impacted the Effective Tax Rate     1    
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued         $ 26