Calculation of Basic and Diluted Earnings Per Share (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended
Nov. 02, 2013	Oct. 27, 2012	Nov. 02, 2013	Oct. 27, 2012
Capital Stock And Earnings Per Share
Basic earnings per share, Net income	$ 622,655	$ 461,551	$ 1,555,104	$ 1,301,843
Weighted average common shares outstanding for basic EPS	711,595	731,575	715,657	736,846
Basic earnings per share	$ 0.88	$ 0.63	$ 2.17	$ 1.77
Diluted earnings per share, Net income	$ 622,655	$ 461,551	$ 1,555,104	$ 1,301,843
Weighted average common shares outstanding for basic EPS	711,595	731,575	715,657	736,846
Assumed exercise/vesting of Stock options and awards	12,513	14,166	12,626	14,188
Weighted average common shares outstanding for diluted EPS	724,108	745,741	728,283	751,034
Diluted earnings per share	$ 0.86	$ 0.62	$ 2.14	$ 1.73

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The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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Net Income or Loss Available to Common Stockholders plus adjustments resulting from the assumption that dilutive convertible securities were converted, options or warrants were exercised, or that other shares were issued upon the satisfaction of certain conditions.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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