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Income Taxes (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Aug. 02, 2014
Aug. 03, 2013
Aug. 02, 2014
Aug. 03, 2013
Effective Income Tax Rate, Continuing Operations 36.40% 36.70% 37.40% 37.90%
Income Taxes Paid $ 172 $ 108 $ 369 $ 308