Goodwill and Intangible Assets Intangible Assets (Details) (USD $)	12 Months Ended			12 Months Ended			12 Months Ended						12 Months Ended						12 Months Ended							12 Months Ended																		3 Months Ended		6 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 25, 2010	Dec. 29, 2012 Brands		Dec. 31, 2011 Brands	Dec. 29, 2012 Brands Minimum	Dec. 31, 2011 Brands Minimum	Dec. 29, 2012 Brands Maximum	Dec. 31, 2011 Brands Maximum	Dec. 29, 2012 Distribution rights	Dec. 31, 2011 Distribution rights	Dec. 29, 2012 Distribution rights Minimum	Dec. 31, 2011 Distribution rights Minimum	Dec. 29, 2012 Distribution rights Maximum	Dec. 31, 2011 Distribution rights Maximum	Dec. 29, 2012 Patents and technology and distribution channels	Dec. 31, 2011 Patents and technology and distribution channels	Dec. 29, 2012 Patents and technology and distribution channels Minimum	Dec. 31, 2011 Patents and technology and distribution channels Minimum	Dec. 29, 2012 Patents and technology and distribution channels Maximum	Dec. 31, 2011 Patents and technology and distribution channels Maximum	Dec. 29, 2012 Favorable contracts, land use rights and other		Dec. 31, 2011 Favorable contracts, land use rights and other	Dec. 29, 2012 Favorable contracts, land use rights and other Minimum	Dec. 31, 2011 Favorable contracts, land use rights and other Minimum	Dec. 29, 2012 Favorable contracts, land use rights and other Maximum	Dec. 31, 2011 Favorable contracts, land use rights and other Maximum	Dec. 29, 2012 Distribution networks	Dec. 31, 2011 Distribution networks	Dec. 29, 2012 Other	Dec. 31, 2011 Other	Dec. 29, 2012 U.K.	Dec. 31, 2011 U.K.	Dec. 25, 2010 U.K.	Dec. 29, 2012 U.K. Brands	Dec. 29, 2012 Canada	Dec. 31, 2011 Canada	Dec. 25, 2010 Canada	Dec. 29, 2012 Central Europe	Dec. 31, 2011 Central Europe	Dec. 25, 2010 Central Europe	Sep. 30, 2012 MC Si Hai [Member]	Jun. 30, 2012 MC Si Hai [Member]	Dec. 29, 2012 MC Si Hai [Member]	Dec. 31, 2011 MC Si Hai [Member]	Dec. 29, 2012 License Agreement
Intangible assets subject to amortization:
Gross				$ 480,600,000	[1]	$ 316,900,000					$ 350,800,000	$ 342,000,000					$ 35,300,000	$ 34,900,000					$ 13,600,000	[1]	$ 6,500,000
Accumulated amortization	(497,200,000)	(442,700,000)		(205,700,000)	[1]	(179,000,000)					(255,000,000)	(234,000,000)					(31,100,000)	(28,900,000)					(5,400,000)	[1]	(800,000)
Net				274,900,000	[1]	137,900,000					95,800,000	108,000,000					4,200,000	6,000,000					8,200,000	[1]	5,700,000																							70,000,000
Intangible assets not subject to amortization:
Indefinite-lived intangible assets				5,821,600,000	[1]	3,322,400,000																								1,014,700,000	990,500,000	15,400,000	15,500,000				324,800,000				2,413,600,000
Total Gross	7,732,000,000	5,028,700,000
Total Net	7,234,800,000	4,586,000,000
Finite-lived intangible assets, fair value				145,600,000																			12,000,000
Useful life, minimum (in years)				30 years			3 years	3 years	40 years	40 years			2 years	2 years	23 years	23 years			3 years	3 years	10 years	10 years	2 years			2 years	2 years	42 years	42 years
Indefinite-lived intangible assets, fair value				2,281,000,000
Percentage of fair value exceeding carrying value				14.00%																														7.00%				15.00%									4.00%
Indefinite-lived intangibles				3,063,800,000
Goodwill	2,453,100,000	1,453,300,000	1,489,100,000																															863,200,000	746,100,000	731,400,000		764,000,000	689,500,000	748,600,000	817,700,000	0	0
Ownership percentage by noncontrolling owners																																													49.00%
Loss on goodwill impairment	0	0																																											9,500,000
Deconsolidation, related costs																																													900,000	1,200,000
Asset impairment charges																																												$ 27,600,000	$ 10,400,000

[1] Includes the preliminary fair values, using a foreign exchange rate at the date of Acquisition, of $145.6 million for brand intangibles with a 30 year useful life, $2,281.0 million, as adjusted in the second half of 2012, for brand intangibles with an indefinite-life and a preliminary fair value of a favorable supply contract and other intangibles of $12.0 million with a 2 year useful life as a result of the Acquisition. See Note 3, "Acquisition of StarBev" for total allocation of consideration.