Share-Based Compensation Share-Based Compensation - Arrangement By Share-Based Payment Award, Outstanding And Exercisable (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Feb. 02, 2013
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Shares	12,800,355
Options Outstanding, Weighted-Average Remaining Contractual Life (in years)	5 years 325 days
Options Outstanding, Weighted-Average Exercise Price	$ 20.56
Options Exercisable, Shares	6,657,655
Options Exercised, Weighted-Average Exercise Price	$ 18.77
Vested or expected to vest as of February 2, 2013, Shares	11,376,064
Vested or expected to vest as of February 2, 2013, Weighted-Average Remaining Contractual Life (in years)	5 years 223 days
Vested or expected to vest as of February 2, 2013, Weighted-Average Exercise Price	$ 20.32
$11.77-$16.44 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Shares	2,817,605
Options Outstanding, Weighted-Average Remaining Contractual Life (in years)	4 years 219 days
Options Outstanding, Weighted-Average Exercise Price	$ 15.01
Options Exercisable, Shares	1,981,010
Options Exercised, Weighted-Average Exercise Price	$ 15.36
$16.90-$19.68 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Shares	3,127,468
Options Outstanding, Weighted-Average Remaining Contractual Life (in years)	4 years 197 days
Options Outstanding, Weighted-Average Exercise Price	$ 18.92
Options Exercisable, Shares	2,644,343
Options Exercised, Weighted-Average Exercise Price	$ 18.94
$19.72-$21.79 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Shares	3,176,244
Options Outstanding, Weighted-Average Remaining Contractual Life (in years)	5 years 314 days
Options Outstanding, Weighted-Average Exercise Price	$ 21.60
Options Exercisable, Shares	1,435,212
Options Exercised, Weighted-Average Exercise Price	$ 21.42
$21.88-$25.09 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Shares	3,281,788
Options Outstanding, Weighted-Average Remaining Contractual Life (in years)	7 years 310 days
Options Outstanding, Weighted-Average Exercise Price	$ 24.21
Options Exercisable, Shares	596,340
Options Exercised, Weighted-Average Exercise Price	$ 22.90
$27.43-$36.10 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Shares	397,250
Options Outstanding, Weighted-Average Remaining Contractual Life (in years)	9 years 256 days
Options Outstanding, Weighted-Average Exercise Price	$ 34.50
Options Exercisable, Shares	750
Options Exercised, Weighted-Average Exercise Price	$ 28.41

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(c), d(2)

-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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- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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-Publisher FASB

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- Definition

The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(b)

-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.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

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-Subparagraph (c)(1)(i)-(ii)

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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-Publisher FASB

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- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

As of the balance sheet date, the weighted-average exercise price (at which grantees can acquire the shares reserved for issuance) for exercisable stock options that are fully vested or expected to vest.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

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