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Consolidated Balance Sheets (Parenthetical)	Jan. 28, 2012	Jan. 29, 2011	Jan. 30, 2010	Jan. 31, 2009
Statement of Financial Position [Abstract]
Common stock, shares outstanding	414,181,000	423,341,300	420,843,200	420,083,800

Total number of shares of common stock held by shareholders. May be all or portion of the number of common shares authorized. These shares represent the ownership interest of the common shareholders. Shares outstanding equals shares issued minus shares held in treasury and other adjustments, if any.

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