Annual report pursuant to Section 13 and 15(d)

Earnings Per Share (Computation Of Basic and Diluted Earnings (Loss) Per Share) (Details)

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Earnings Per Share (Computation Of Basic and Diluted Earnings (Loss) Per Share) (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Jan. 28, 2012
Oct. 29, 2011
Jul. 30, 2011
Apr. 30, 2011
Jan. 29, 2011
Oct. 30, 2010
Jul. 31, 2010
May 01, 2010
Jan. 28, 2012
Jan. 29, 2011
Jan. 30, 2010
Earnings Per Share [Abstract]                      
Net income (loss) $ 745 $ 139 $ 241 $ 131 $ 667 $ 10 $ 147 $ 23 $ 1,256 $ 847 $ 329
Net income (loss) available to common stockholders, basic                 1,256 847 329
Net income (loss) available to common stockholders, diluted                 $ 1,256 $ 847 $ 329
Basic earnings (loss) per share $ 1.77 $ 0.33 $ 0.56 $ 0.31 $ 1.57 $ 0.02 $ 0.35 $ 0.05 $ 2.96 $ 2.00 $ 0.78
Diluted earnings (loss) per share $ 1.74 $ 0.32 $ 0.55 $ 0.30 $ 1.55 $ 0.02 $ 0.35 $ 0.05 $ 2.92 $ 1.98 $ 0.78
Average number of shares issued, basic                 423.5 422.2 420.4
Shares to be issued under deferred compensation plans                 1.0 1.1 1.3
Average number of shares outstanding, basic                 424.5 423.3 421.7
Effect of dilutive securities-stock options, restricted stock and restricted stock units                 5.9 4.0 1.5
Average number of shares outstanding, diluted                 430.4 427.3 423.2