Accounts Receivable (Distributions Of Credit Card Receivables Across FICO Score Ranges) (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%
801+ [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	307	[1]	314	[1]
Credit card receivables, % of Total	14.80%	[1]	14.90%	[1]
720 - 800 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	741	[1]	731	[1]
Credit card receivables, % of Total	35.70%	[1]	34.80%	[1]
660 - 719 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	572	[1]	558	[1]
Credit card receivables, % of Total	27.60%	[1]	26.50%	[1]
600 - 659 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	270	[1]	274	[1]
Credit card receivables, % of Total	13.00%	[1]	13.00%	[1]
001 - 599 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	120	[1]	155	[1]
Credit card receivables, % of Total	5.80%	[1]	7.40%	[1]
Other Credit Card Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	$ 64	[1],[2]	$ 71	[1],[2]
Credit card receivables, % of Total	3.10%	[1],[2]	3.40%	[1],[2]

[1] Credit scores for our cardholders are updated at least every 60 days. Amounts listed in the table reflect the most recently obtained credit scores as of the dates indicated.

[2] Other consists of amounts not yet posted to customers' accounts and receivables from customers for whom FICO scores are temporarily unavailable.