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Chipset Design Issue (Detail) (Chipset Design Issue [Member], USD $)
In Millions
3 Months Ended 9 Months Ended
Jul. 02, 2011
Apr. 02, 2011
Dec. 25, 2010
Jul. 02, 2011
Chipset Design Issue [Member]
       
Loss Contingencies [Line Items]        
Loss Contingency and Inventory Write-down, Estimate of Total Loss       $ 733
Loss Contingency, Loss in Period     244  
Inventory Write-down     67  
Loss Contingency and Inventory Write-Down Charge to Cost of Sales 79 343 311  
Loss Contingency Accrual, at Carrying Value $ 346     $ 346