Accounts Receivable (Distribution Of Credit Card Receivables Across FICO Score Ranges) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	May 02, 2015		Jan. 31, 2015		May 03, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	$ 2,227		$ 2,284		$ 2,140
Credit card receivables, % of total	100.00%		100.00%		100.00%
Credit scores updated	90 days
801 plus [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	366	[1]	369	[1]	366	[1]
Credit card receivables, % of total	16.40%	[1]	16.20%	[1]	17.10%	[1]
660 - 800 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	1,375	[1]	1,435	[1]	1,326	[1]
Credit card receivables, % of total	61.80%	[1]	62.80%	[1]	62.00%	[1]
001 - 659 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	392	[1]	392	[1]	358	[1]
Credit card receivables, % of total	17.60%	[1]	17.10%	[1]	16.80%	[1]
Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	$ 94	[1],[2]	$ 88	[1],[2]	$ 90	[1],[2]
Credit card receivables, % of total	4.20%	[1],[2]	3.90%	[1],[2]	4.10%	[1],[2]

[1] Credit scores for our credit cardholders are updated at least every 90 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.