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Division Consolidation Costs (Tables)
9 Months Ended
Oct. 29, 2011
Division Consolidation Costs [Abstract]  
Activity Associated With Severance Accrual Established In Connection With Division Consolidation And Localization Initiative
     January 30,
2010
     Payments     October 30,
2010
 
     (millions)  

Severance costs

   $ 69       $ (69   $ 0