Accounts Receivable (Aging And Delinquency Status Of Credit Card Receivables) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended		12 Months Ended
	Oct. 29, 2011	Oct. 30, 2010	Jan. 29, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables not accruing finance charges	$ 18	$ 29	$ 14
Receivables greater than 90 days delinquent and still accruing finance charges	11	13	21
Current [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	1,899	1,929	1,942
Credit card receivables, % of Total	93.30%	91.80%	92.40%
1 - 29 Days Delinquent [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	80	100	97
Credit card receivables, % of Total	3.90%	4.70%	4.60%
30 - 59 Days Delinquent [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	21	25	24
Credit card receivables, % of Total	1.10%	1.20%	1.10%
60 - 89 Days Delinquent [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	15	19	17
Credit card receivables, % of Total	0.70%	0.90%	0.80%
Greater Than 90 Days Delinquent [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	20	29	23
Credit card receivables, % of Total	1.00%	1.40%	1.10%
Total 30+ Days Delinquent [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	56	73	64
Credit card receivables, % of Total	2.80%	3.50%	3.00%
Total Credit Card Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	$ 2,035	$ 2,102	$ 2,103
Credit card receivables, % of Total	100.00%	100.00%	100.00%