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.

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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.

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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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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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

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Stock-Based Compensation and Benefit Plans, Range of Outstanding and Exercisable Stock Options (Details 1) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Feb. 01, 2013	Feb. 03, 2012	Jan. 28, 2011	Jan. 29, 2010
Range of Exercise Prices for options outstanding and exercisable
Number of options outstanding, Ending Balance	118	143	161	205
Weighted-Average Exercise price, Outstanding at end	$ 22.51	$ 25.37	$ 26.49	$ 30.00
Weighted Average Remaining Contractual Term	4 years 8 months 12 days
Exercisable, Number of options	80
Exercisable, Weighted Average Exercise Price	$ 28.16
$0 - $9.99
Range of Exercise Prices for options outstanding and exercisable
Number Outstanding (in millions)	24
Weighted-Average Exercise Price per Share (in years)	$ 6.59
Weighted-Average Remaining Contractual Life	9 years 7 months 6 days
Number Exercisable (in millions)	3
Weighted-Average Exercise Price Per Share	$ 6.78
Exercise price range, lower range limit (in dollars per share)	$ 0.00
Exercise price range, upper range limit (in dollars per share)	$ 9.99
$10.00 - $19.99
Range of Exercise Prices for options outstanding and exercisable
Number Outstanding (in millions)	35
Weighted-Average Exercise Price per Share (in years)	$ 15.52
Weighted-Average Remaining Contractual Life	7 years 6 months
Number Exercisable (in millions)	18
Weighted-Average Exercise Price Per Share	$ 15.80
Exercise price range, lower range limit (in dollars per share)	$ 10.00
Exercise price range, upper range limit (in dollars per share)	$ 19.99
$20.00 - $29.99
Range of Exercise Prices for options outstanding and exercisable
Number Outstanding (in millions)	17
Weighted-Average Exercise Price per Share (in years)	$ 25.22
Weighted-Average Remaining Contractual Life	2 years 4 months 24 days
Number Exercisable (in millions)	17
Weighted-Average Exercise Price Per Share	$ 25.22
Exercise price range, lower range limit (in dollars per share)	$ 20.00
Exercise price range, upper range limit (in dollars per share)	$ 29.99
$30.00 - $39.99
Range of Exercise Prices for options outstanding and exercisable
Number Outstanding (in millions)	27
Weighted-Average Exercise Price per Share (in years)	$ 34.29
Weighted-Average Remaining Contractual Life	1 year 2 months 12 days
Number Exercisable (in millions)	27
Weighted-Average Exercise Price Per Share	$ 34.29
Exercise price range, lower range limit (in dollars per share)	$ 30.00
Exercise price range, upper range limit (in dollars per share)	$ 39.99
$40 and over
Range of Exercise Prices for options outstanding and exercisable
Number Outstanding (in millions)	15
Weighted-Average Exercise Price per Share (in years)	$ 40.22
Weighted-Average Remaining Contractual Life	2 years 1 month 6 days
Number Exercisable (in millions)	15
Weighted-Average Exercise Price Per Share	$ 40.22
Exercise price range, lower range limit (in dollars per share)	$ 40.00