Credit Card Receivables (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Apr. 28, 2012	Jan. 28, 2012	Apr. 30, 2011
Accounts, Notes, Loans and Financing Receivable
Number of days past due for accounts receivable to be written off	P180D
Age of Credit Card Receivables
Period-end gross credit card receivables	$ 5,943	$ 6,357	$ 6,286
Period-end gross credit card receivables (as a percent)	100.00%	100.00%	100.00%
Current
Age of Credit Card Receivables
Period-end gross credit card receivables	5,488	5,791	5,749
Period-end gross credit card receivables (as a percent)	92.40%	91.10%	91.50%
1-29 days past due
Age of Credit Card Receivables
Period-end gross credit card receivables	221	260	227
Period-end gross credit card receivables (as a percent)	3.70%	4.10%	3.60%
30-59 days past due
Age of Credit Card Receivables
Period-end gross credit card receivables	74	97	100
Period-end gross credit card receivables (as a percent)	1.20%	1.50%	1.60%
60-89 days past due
Age of Credit Card Receivables
Period-end gross credit card receivables	45	62	59
Period-end gross credit card receivables (as a percent)	0.80%	1.00%	0.90%
90+ days past due
Age of Credit Card Receivables
Period-end gross credit card receivables	$ 115	$ 147	$ 151
Period-end gross credit card receivables (as a percent)	1.90%	2.30%	2.40%