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Employee Severance and Termination Costs (Details) (USD $)
In Millions, unless otherwise specified
6 Months Ended 12 Months Ended
Jul. 01, 2011
Dec. 31, 2010
Employee Severance and Termination Costs (Textuals)    
Employee severance and other related termination costs $ 10 $ 17
Number of employees terminated 600 700
Remaining balance of employee severance and other related termination costs to be paid $ 10