Debt (Narrative) (Details) (USD $)		3 Months Ended				3 Months Ended				3 Months Ended
	Feb. 24, 2013	Feb. 26, 2012 Six Percent Notes Due February 2012 [Member]	Nov. 27, 2011 Three One Five Percent Notes Due 2021 [Member]	Feb. 26, 2012 Euribor Based Debt Due Dec 2014 [Member]	Aug. 28, 2011 Euribor Based Debt Due Dec 2014 [Member]	Nov. 25, 2012 Five Six Five Percent Notes Due September 2012 [Member]	Feb. 24, 2013 January 2013 Fixed Rate Notes [Member]	Feb. 24, 2013 Zero Eight Seven Five Percent Notes Due January 2016 [Member]	Feb. 24, 2013 Four One Five Percent Notes Due February 2043 [Member]	Feb. 24, 2013 Floating Rate Notes Due January 2016 [Member]	Feb. 24, 2013 Line Of Credit [Member]	Feb. 24, 2013 Line Of Credit [Member] Expiration Date April 2015 [Member]	Feb. 24, 2013 Line Of Credit [Member] Expiration Date April 2017 [Member]
Line Of Credit Facility [Line Items]
Fee-paid committed lines of credit											$ 2,700,000,000	$ 1,000,000,000	$ 1,700,000,000
Debt Instrument [Line Items]
Debt Instrument Face Amount			1,000,000,000	390,500,000	457,900,000		750,000,000	250,000,000	500,000,000	250,000,000
Extinguishment Of Debt Amount		1,000,000,000				520,800,000
Debt Interest Rate		6.00%	3.15%			5.65%		0.875%	4.15%
Debt instrument, variable rate basis										three-month LIBOR
Debt instrument spread on variable rate										0.30%
Line Of Credit Facility Uncomitted	364,900,000
Line Of Credit Facility Amount Outstanding	$ 86,000,000