Accounts Receivable (Aging And Delinquency Status Of Credit Card Receivables) (Details) (USD $) In Millions, unless otherwise specified	May 02, 2015	Jan. 31, 2015	May 03, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	$ 2,227us-gaap_AccountsReceivableGrossCurrent	$ 2,284us-gaap_AccountsReceivableGrossCurrent	$ 2,140us-gaap_AccountsReceivableGrossCurrent
Credit card receivables, % of total	100.00%	100.00%	100.00%
Receivables not accruing finance charges	11	13	11
Receivables 90 days or more delinquent and still accruing finance charges	13	13	7
Current [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	2,108	2,134	2,036
Credit card receivables, % of total	94.60%	93.40%	95.10%
1 - 29 days delinquent [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	80	103	70
Credit card receivables, % of total	3.60%	4.50%	3.30%
30 - 59 days delinquent [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	11	16	12
Credit card receivables, % of total	0.50%	0.70%	0.60%
60 - 89 days delinquent [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	8	10	9
Credit card receivables, % of total	0.40%	0.50%	0.40%
90 days or more delinquent [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	20	21	13
Credit card receivables, % of total	0.90%	0.90%	0.60%
Total 30 days or more delinquent [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit card receivables	$ 39	$ 47	$ 34
Credit card receivables, % of total	1.80%	2.10%	1.60%

Credit Card Receivables As A Percent Of Total

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- Definition

Amounts due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer) for goods or services (including trade receivables) that have been delivered or sold in the normal course of business.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 3

-Subparagraph a, b

-Article 5

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- Definition

Recorded investment in financing receivables that are 90 days or more past due and still accruing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5111-111524

+ Details

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- Definition

Reflects the carrying amount of loans deemed to be questionable as to collection on which no interest is continuing to be recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5111-111524

+ Details

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