Annual report pursuant to Section 13 and 15(d)

Income Taxes (Deferred Tax Assets/Liabilities in Consolidated Balance Sheets) (Details)

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Income Taxes (Deferred Tax Assets/Liabilities in Consolidated Balance Sheets) (Details) (USD $)
In Millions, unless otherwise specified
Jan. 28, 2012
Jan. 29, 2011
Income Taxes [Abstract]    
Other current assets $ 180 $ 126
Other long-term liabilities (888) (1,192)
Total net deferred tax (liabilities) $ (708) $ (1,066)