Other Income (Expense), Net (Schedule Of Other Income (Expense)) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Sep. 29, 2012	Oct. 01, 2011
Other Nonoperating Income (Expense) [Abstract]
Interest income	$ 1	$ 1	$ 3	$ 3
Interest expense	(18)	(17)	(55)	(52)
Other	(2)	(4)	(15)	(23)
Total other income (expense), net	$ (19)	$ (20)	$ (67)	$ (72)