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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The weighted average price as of the beginning of the year at which grantees can acquire the shares reserved for issuance under the stock option plan.

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The weighted average period between the balance sheet date and expiration for all awards outstanding under the plan, which may be expressed in a decimal value for number of years.

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The number of exercisable share options (fully vested and expected to vest) that may be converted as of the balance sheet date.

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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.

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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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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

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The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

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The weighted-average period remaining as of the balance sheet date until option expiration pertaining to the outstanding stock options for all option plans in the customized range of exercise prices, which may be expressed in a variety of ways (for example, years, months).

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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. 03, 2012 year	Jan. 28, 2011	Jan. 29, 2010	Jan. 30, 2009	Feb. 03, 2012 $0 - $9.99 year	Feb. 03, 2012 $10.00 - $19.99 year	Feb. 03, 2012 $20.00 - $29.99 year	Feb. 03, 2012 $30.00 - $39.99 year	Feb. 03, 2012 $40 and over year
Range of Exercise Prices for options outstanding and exercisable
Number Outstanding (in millions)					8	42	45	31	17
Weighted-Average Exercise Price per Share (in years)					$ 7.38	$ 15.57	$ 25.86	$ 34.31	$ 40.23
Weighted-Average Remaining Contractual Life					3.9	8.1	1.8	2.2	3.1
Number Exercisable (in millions)					3	12	45	31	17
Weighted-Average Exercise Price Per Share					$ 7.42	$ 16.72	$ 25.86	$ 34.31	$ 40.23
Number of options outstanding, Ending Balance	143	161	205	230
Weighted-Average Exercise price, Outstanding at end	$ 25.37	$ 26.49	$ 30.00	$ 31.85
Weighted Average Remaining Contractual Term	4.2
Exercisable, Number of options	108
Exercisable, Weighted Average Exercise Price	$ 29.02
Exercise price range, lower range limit (in dollars per share)					$ 0.00	$ 10.00	$ 20.00	$ 30.00	$ 40.00
Exercise price range, upper range limit (in dollars per share)					$ 9.99	$ 19.99	$ 29.99	$ 39.99