Restructuring, Impairment And Integration Charges (Schedule Of Productivity For Growth Activity) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended					12 Months Ended				12 Months Ended
	Dec. 31, 2011	Dec. 26, 2009	Dec. 25, 2010 Productivity For Growth Program [Member]	Dec. 26, 2009 Productivity For Growth Program [Member]	Dec. 27, 2008 Productivity For Growth Program [Member]	Dec. 26, 2009 Severance And Other Employee Costs [Member]	Dec. 25, 2010 Severance And Other Employee Costs [Member] Productivity For Growth Program [Member]	Dec. 26, 2009 Severance And Other Employee Costs [Member] Productivity For Growth Program [Member]	Dec. 27, 2008 Severance And Other Employee Costs [Member] Productivity For Growth Program [Member]	Dec. 26, 2009 Asset Impairment [Member] Productivity For Growth Program [Member]	Dec. 26, 2009 Other Costs [Member]	Dec. 25, 2010 Other Costs [Member] Productivity For Growth Program [Member]	Dec. 26, 2009 Other Costs [Member] Productivity For Growth Program [Member]	Dec. 27, 2008 Other Costs [Member] Productivity For Growth Program [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges	$ 383	$ 36		$ 36		$ 17		$ 17		$ 12	$ 19		$ 7
Cash payments			(31)	(196)			(6)	(128)				(25)	(68)
Non-cash charges			(3)				(2)					(1)
Currency translation			(1)	(1)				(14)		(12)		(1)	25
Liability			$ 2	$ 37	$ 198		$ 1	$ 9	$ 134			$ 1	$ 28	$ 64