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Income Taxes - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Dec. 01, 2012
Dec. 03, 2011
Dec. 01, 2012
Dec. 03, 2011
Income Tax [Line Items]        
Number of months within which company does not anticipate significant change in unrecognized tax benefits     12 months  
Unrecognized tax benefits decreased     $ 14  
Effective tax rate 47.10% 9.30% 43.90% 1.60%
Discrete tax expense 3      
Valuation allowance $ 5   $ 5