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Goodwill And Purchased Intangible Assets (Schedule Of Estimated Future Amortization Expense Of Purchased Intangible Assets) (Detail) (USD $)
In Millions, unless otherwise specified
Apr. 26, 2014
Jul. 27, 2013
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]    
2014 (remaining three months) $ 259  
2015 959  
2016 726  
2017 550  
2018 398  
Thereafter 425  
Total $ 3,317 $ 3,317