Annual report pursuant to Section 13 and 15(d)

Income Taxes (Narrative) (Details)

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Income Taxes (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jan. 28, 2012
Jan. 29, 2011
Jan. 30, 2010
Jan. 31, 2009
Income Taxes [Abstract]        
Current income taxes receivable   $ 233 $ 208  
Amount of unrecognized tax benefits that would impact effective tax rate if recognized 61 60 75  
Benefit of federal tax deduction of state taxes 21 21 26  
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Decrease to Unrecorded Benefit 25      
Accrued Interest for Unrecognized Tax Benefits 4 3 2  
Unrecognized tax benefits 110 162 165 192
Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities 45 16 59  
Additions for tax positions of prior years $ 10 $ 21 $ 37