Hedging Transactions And Derivative Financial Instruments (Schedule Of Amounts Included In Accumulated Other Comprehensive Income (Loss) Related To Foreign Currency Forward Contracts) (Details) (Forward Contracts [Member], USD $) In Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2011	Jun. 26, 2010	Jul. 02, 2011	Jun. 26, 2010
Research And Development [Member] | Cash Flow Hedging [Member]
Amount of gain (loss) on foreign currency forward contracts reclassified from accumulated other comprehensive income	$ 1	$ 1	$ 2	$ 2
Marketing, General And Administrative [Member] | Cash Flow Hedging [Member]
Amount of gain (loss) on foreign currency forward contracts reclassified from accumulated other comprehensive income	0	0	1	1
Other Income (Expense), Net [Member] | Nondesignated [Member]
Amount of gain (loss) on foreign currency forward contracts recognized in earnings	0	(10)	8	(26)
Cash Flow Hedging [Member]
Other comprehensive income (loss)	$ (1)	$ (2)	$ (2)	$ (1)