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. 01, 2014	Nov. 02, 2013	Nov. 01, 2014	Nov. 02, 2013
Capital Stock And Earnings Per Share
Net income	$ 594,957	$ 622,655	$ 1,566,898	$ 1,555,104
Weighted average common shares outstanding for basic EPS	690,183	711,595	695,142	715,657
Basic earnings per share	$ 0.86	$ 0.88	$ 2.25	$ 2.17
Net income	$ 594,957	$ 622,655	$ 1,566,898	$ 1,555,104
Weighted average common shares outstanding for basic EPS	690,183	711,595	695,142	715,657
Assumed exercise/vesting of Stock options and awards	10,822	12,513	10,980	12,626
Weighted average common shares outstanding for diluted EPS	701,005	724,108	706,122	728,283
Diluted earnings per share	$ 0.85	$ 0.86	$ 2.22	$ 2.14

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

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The amount of net income (loss) for 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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