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Employee Severance and Termination Costs - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
9 Months Ended 12 Months Ended
Sep. 27, 2013
Employees
Sep. 28, 2012
Dec. 31, 2012
Employees
Restructuring And Related Activities [Abstract]      
Employee severance and other related termination costs $ 19 $ 19 $ 23
Number of employees terminated 1,400   1,600
Remaining balance of employee termination costs $ 8   $ 9