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Goodwill and Intangible Assets, Future Amortization Expense of Finite-Lived Intangible Assets (Details 2) (USD $)
In Millions, unless otherwise specified
3 Months Ended
May 04, 2012
Feb. 03, 2012
Future amortization expense of finite lived intangible assets    
Fiscal Year 2013 (remaining nine months) $ 299  
Fiscal Year 2014 376  
Fiscal Year 2015 283  
Fiscal Year 2016 237  
Fiscal Year 2017 195  
Thereafter 351  
Total $ 1,741 $ 1,797