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Financial Services (Details Textual) (USD $)
3 Months Ended 9 Months Ended
Nov. 02, 2012
Oct. 28, 2011
Nov. 02, 2012
Oct. 28, 2011
Feb. 03, 2012
Accounts, Notes, Loans and Financing Receivable          
Repayment of revolving loan transactions     12 months    
Receivables under special programs $ 275,000,000   $ 275,000,000   $ 328,000,000
Future maturities of minimum lease payments, in Fiscal Year 2013 355,000,000   355,000,000    
Future maturities of minimum lease payments, in Fiscal Year 2014 996,000,000   996,000,000    
Future maturities of minimum lease payments, in Fiscal Year 2015 611,000,000   611,000,000    
Future maturities of minimum lease payments, in Fiscal Year 2016 208,000,000   208,000,000    
Future maturities of minimal lease payment, in Fiscal 2017 and beyond 27,000,000   27,000,000    
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance 330,000,000   330,000,000    
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net 117,000,000   117,000,000    
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion Period 2 years   2 years    
Customer receivables funded via securitization through SPEs 550,000,000 501,000,000 1,500,000,000 1,600,000,000  
General terms of securitization programs     12 months    
Financing Receivable, Significant Sales 77,000,000 62,000,000 375,000,000 107,000,000  
Structured financing debt related to fixed term leases, loans and revolving loans 1,400,000,000   1,400,000,000   1,300,000,000
Total debt capacity related to the loan securitization programs     $ 1,500,000,000    
Minimum
         
Accounts, Notes, Loans and Financing Receivable          
Duration of special programs     6 months    
Duration Of Leases With Business Customers     2 years    
Range of Fixed Term Loan     3 years    
Duration of debt     12 months    
Maximum
         
Accounts, Notes, Loans and Financing Receivable          
Duration of special programs     12 months    
Duration Of Leases With Business Customers     4 years    
Range of Fixed Term Loan     4 years    
Duration of debt     36 months