Consolidated Balance Sheets (Parenthetical) (USD $)	Apr. 29, 2012	Jan. 30, 2011
Statement of Financial Position [Abstract]
Common Stock, par value	$ 0.05
Common Stock, authorized	10,000,000,000
Common Stock, Shares, Issued	1,745,000,000	1,733,000,000
Common Stock, Shares, Outstanding	1,530,000,000	1,537,000,000
Treasury Stock, shares	215,000,000	196,000,000