Investments Financials (Details) (MillerCoors, USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 25, 2011	Jun. 30, 2012	Jun. 25, 2011	Dec. 31, 2011
MillerCoors
Condensed balance sheets
Current assets	$ 1,040.0			$ 1,040.0		$ 810.9
Noncurrent assets	8,839.9			8,839.9		8,861.7
Total assets	9,879.9			9,879.9		9,672.6
Current liabilities	926.8			926.8		922.7
Noncurrent liabilities	1,392.3			1,392.3		1,471.3
Total liabilities	2,319.1			2,319.1		2,394.0
Noncontrolling interests	42.5			42.5		36.7
Owners' equity	7,518.3			7,518.3		7,241.9
Total liabilities and equity	9,879.9			9,879.9		9,672.6
Results of operations
Net sales	2,224.0	2,132.3		3,983.8	3,831.4
Cost of goods sold	(1,311.8)	(1,268.8)		(2,381.8)	(2,331.8)
Gross profit	912.2	863.5		1,602.0	1,499.6
Operating income	444.4	406.4		723.4	645.1
Net income attributable to MillerCoors	$ 438.3	$ 398.7	$ 398.7	$ 713.6	$ 633.4