Earnings/(Loss) per Share (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended
May 04, 2013
Apr. 28, 2012
Earnings Per Share Abstract    
Net income/(loss) $ (348) $ (163)
Weighted average common shares outstanding (basic shares) 219.9 218.3
Weighted average shares assuming dilution (diluted shares) 219.9 218.3
Basic $ (1.58) $ (0.75)
Diluted $ (1.58) $ (0.75)
Stock options, restricted stock awards and warrant 25.4 25.4