Significant Accounting Polices (Advertising) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jan. 28, 2012
Jan. 29, 2011
Jan. 30, 2010
Significant Accounting Policies [Abstract]      
Cooperative Advertising Amount $ 118 $ 142 $ 137
Marketing and Advertising Expense $ 1,039 $ 1,172 $ 1,175