v2.4.0.6
Credit Card Receivables (Details 2) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Oct. 27, 2012
Oct. 29, 2011
Oct. 27, 2012
Oct. 29, 2011
Allowance for Doubtful Accounts        
Bad debt expense $ 46 $ 40 $ 141 $ 67
Allowance before adjustment
       
Allowance for Doubtful Accounts        
Allowance at end of period 345   345  
Credit card receivables.
       
Allowance for Doubtful Accounts        
Allowance at beginning of period 365 480 430 690
Bad debt expense 46 40 141 67
Write-offs (95) (122) (326) (448)
Recoveries 29 33 100 122
Allowance at end of period   431   431
Credit card receivables. | Elimination of segment allowance
       
Allowance for Doubtful Accounts        
Allowance at end of period $ (345)   $ (345)