Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Income Tax Disclosure [Abstract]
Unrecognized tax benefits that would affect the effective tax rate	$ 7	$ 11	$ 21
Tax-related interest and penalties, increase (decrease)	(1)	(4)	5
Liability for interest and penalties	7	5	11
Estimated unrecognized tax benefits, decrease in tax position	$ 2

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The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations.

+ References

+ Details

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The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations.

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- Definition

The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319

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

-Publisher FASB

-Name FASB Interpretation (FIN)

-Number 48

-Paragraph 21

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15A

-Subparagraph (b)

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-Name FASB Interpretation (FIN)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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