Segment Reporting Income (Loss) From Continuing Operations (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 29, 2012		Sep. 24, 2011		Sep. 29, 2012		Sep. 24, 2011
Segment Reporting
Income (loss) from continuing operations before income taxes	$ 243.2		$ 225.4		$ 463.6		$ 592.4
Canada [Member]
Segment Reporting
Income (loss) from continuing operations before income taxes	147.0		162.0		330.8		346.0
U.S.
Segment Reporting
Income (loss) from continuing operations before income taxes	132.0		99.4		436.5		372.4
Central Europe
Segment Reporting
Income (loss) from continuing operations before income taxes	75.2	[1]	0	[1]	87.6	[1]	0	[1]
U.K. [Member]
Segment Reporting
Income (loss) from continuing operations before income taxes	7.7		25.3		25.3		64.4
MCI
Segment Reporting
Income (loss) from continuing operations before income taxes	(37.4)	[2]	(7.4)	[2]	(70.3)	[2]	(25.5)	[2]
Corporate
Segment Reporting
Income (loss) from continuing operations before income taxes	$ (81.3)	[3]	$ (53.9)	[3]	$ (346.3)	[3]	$ (164.9)	[3]

[1] Income from continuing operations before income taxes for the thirty-nine weeks ended September 29, 2012, for Central Europe represents activity from the Acquisition date of June 15, 2012.

[2] Reflects goodwill and other intangible asset impairments recorded in the second quarter of 2012 and asset impairments recorded in the third quarter of 2012 in China. See Note 5, "Investments" and Note 12, "Goodwill and Intangible Assets" for further discussion.

[3] Reflects acquisition-related costs as described further in Note 3, "Acquisition of StarBev."