Employee Severance and Termination Costs (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 30, 2012 Employee	Apr. 01, 2011	Dec. 31, 2011 Employee
Employee Severance and Termination Costs (Textual)
Employee severance and other related termination costs	$ 8	$ 2	$ 24
Number of employees terminated	400		1,400
Remaining balance of employee severance and other related termination costs to be paid	$ 12