Accounts Receivable (Aging And Delinquency Status Of Credit Card Receivables) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 28, 2012	Jan. 29, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	$ 2,074	$ 2,103
Credit card receivables, % of Total	100.00%	100.00%
Receivables not accruing finance charges	15	14
Receivables 90 days or more delinquent and still accruing finance charges	11	21
Current [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	1,928	1,942
Credit card receivables, % of Total	93.00%	92.40%
1 - 29 Days Delinquent [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	92	97
Credit card receivables, % of Total	4.40%	4.60%
30 - 59 Days Delinquent [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	20	24
Credit card receivables, % of Total	1.00%	1.10%
60 - 89 Days Delinquent [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	13	17
Credit card receivables, % of Total	0.60%	0.80%
90 Days Or More Delinquent [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	21	23
Credit card receivables, % of Total	1.00%	1.10%
Total 30+ Days Delinquent [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	$ 54	$ 64
Credit card receivables, % of Total	2.60%	3.00%