Investments Variable Interest Entity (Details) (USD $) In Millions	3 Months Ended				9 Months Ended
	Sep. 24, 2011		Sep. 25, 2010		Sep. 24, 2011		Sep. 25, 2010		Dec. 25, 2010
Variable Interest Entity
Assets	$ 12,429.9				$ 12,429.9				$ 12,697.6
Revenues	954.4		875.0		2,578.4		2,419.3
Pre-tax income	225.4		318.6		592.4		684.2
Grolsch
Variable Interest Entity
Assets	15.0				15.0				14.1
Revenues	6.8	[1]	7.2	[1]	19.7	[1]	23.0	[1]
Pre-tax income	1.0	[1]	1.0	[1]	2.8	[1]	3.3	[1]
Cobra
Variable Interest Entity
Assets	29.6				29.6				32.7
Revenues	10.1		9.9		28.7		27.8
Pre-tax income	$ 1.7		$ 1.8		$ 4.8		$ 5.1

[1] Substantially all such sales for Grolsch are made to us and as such, are eliminated in consolidation.