v2.4.0.6
Credit Card Receivables (Details) (USD $)
In Millions, unless otherwise specified
 9 Months Ended
Oct. 27, 2012
Jul. 28, 2012
Jan. 28, 2012
Oct. 29, 2011
Jul. 30, 2011
Jan. 29, 2011
Accounts, Notes, Loans and Financing Receivable            
Credit card receivables, net     $ 5,927 $ 5,713    
Credit card receivables.
            
Accounts, Notes, Loans and Financing Receivable            
Current     5,791 5,568    
1-29 days past due     260 266    
30-59 days past due     97 109    
60-89 days past due     62 64    
90+ days past due     147 137    
Credit card receivables, at par     6,357 6,144    
Allowance for doubtful accounts   365 430 431 480 690
Credit card receivables, net     5,927 5,713    
Number of days past due for accounts receivable to be written off P180D          
Age of Credit Card Receivables            
Current (as a percent)     91.10% 90.60%    
1-29 days past due (as a percent)     4.10% 4.30%    
30-59 days past due (as a percent)     1.50% 1.80%    
60-89 days past due (as a percent)     1.00% 1.10%    
90+ days past due (as a percent)     2.30% 2.20%    
Credit card receivables, at par (as a percent)     100.00% 100.00%    
Credit card receivables. | Held-for-sale
            
Accounts, Notes, Loans and Financing Receivable            
Current 5,355          
1-29 days past due 238          
30-59 days past due 82          
60-89 days past due 50          
90+ days past due 111          
Credit card receivables, at par 5,836          
Lower of cost or fair value adjustment 189          
Credit card receivables, net $ 5,647          
Age of Credit Card Receivables            
Current (as a percent) 91.70%          
1-29 days past due (as a percent) 4.10%          
30-59 days past due (as a percent) 1.40%          
60-89 days past due (as a percent) 0.90%          
90+ days past due (as a percent) 1.90%          
Credit card receivables, at par (as a percent) 100.00%