Other Income (Expense), Net (Schedule Of Other Income (Expense)) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Apr. 02, 2011
Other Income (Expense), Net [Abstract]
Interest income	$ 1	$ 1
Interest expense	(18)	(18)
Other	(6)	(10)
Total other income (expense), net	$ (23)	$ (27)