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Calculation of Basic and Diluted Earnings Per Share (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	May 03, 2014	May 04, 2013
Capital Stock And Earnings Per Share
Net income	$ 454,317	$ 452,890
Weighted average common shares outstanding for basic EPS	701,027	719,528
Basic earnings per share	$ 0.65	$ 0.63
Net income	$ 454,317	$ 452,890
Weighted average common shares outstanding for basic EPS	701,027	719,528
Assumed exercise/vesting of Stock options and awards	11,875	13,027
Weighted average common shares outstanding for diluted EPS	712,902	732,555
Diluted earnings per share	$ 0.64	$ 0.62

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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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