Consolidated Balance Sheets (Parenthetical) (USD $)	Jan. 28, 2012	Jan. 29, 2011
Consolidated Balance Sheets [Abstract]
Common stock, no par value
Common stock, shares authorized	1,000,000,000	1,000,000,000
Common stock, shares issued	207,600,000	218,000,000
Common stock, shares outstanding	207,600,000	218,000,000