Supplemental Guarantor Information (Details)	Dec. 31, 2013 USD ($)	Dec. 29, 2012 USD ($)	May 03, 2012 Senior Notes USD ($)	Oct. 06, 2010 Senior Notes USD ($)	Dec. 31, 2013 $575 million 2.5% convertible Senior Notes due 2013	Jul. 31, 2013 $575 million 2.5% convertible Senior Notes due 2013 USD ($)	Dec. 31, 2013 $300 million 2.0% notes due 2017 Senior Notes	May 03, 2012 $300 million 2.0% notes due 2017 Senior Notes USD ($)	Dec. 31, 2013 $500 million 3.5% notes due 2022 Senior Notes	May 03, 2012 $500 million 3.5% notes due 2022 Senior Notes USD ($)	Dec. 31, 2013 $1.1 billion 5.0% notes due 2042 Senior Notes	May 03, 2012 $1.1 billion 5.0% notes due 2042 Senior Notes USD ($)	Dec. 31, 2013 Parent Guarantor and 2007 Issuer USD ($)	Dec. 29, 2012 Parent Guarantor and 2007 Issuer USD ($)	Dec. 29, 2012 Parent Guarantor and 2007 Issuer As previously reported USD ($)	Jun. 15, 2007 Parent Guarantor and 2007 Issuer $575 million 2.5% convertible Senior Notes due 2013 USD ($)	Sep. 22, 2005 2005 Issuers and 2010 Issuer $300 million 4.85% Senior Notes due 2010 USD ($)	Sep. 22, 2005 2005 Issuers and 2010 Issuer Canadian dollar ("CAD") 900 million 5.0% notes due 2015 CAD	Sep. 22, 2005 2005 Issuers and 2010 Issuer Senior Notes 4.85% and 5% due 2010 and 2015 USD ($)	Dec. 29, 2012 Parent Guarantor and 2007 Issuer [Member] USD ($)	Dec. 29, 2012 Parent Guarantor and 2007 Issuer [Member] As previously reported USD ($)
Debt Instrument [Line Items]
Debt instrument, face amount			$ 1,900,000,000	$ 500,000,000		$ 575,000,000.0		$ 300,000,000		$ 500,000,000		$ 1,100,000,000				$ 575,000,000	$ 300,000,000	900,000,000.0	$ 1,100,000,000.0
Net investment in and advances to subsidiaries													12,860,900,000	10,465,200,000	10,465,200,000						11,342,200,000
MillerCoors owners' equity	$ 8,638,900,000	$ 7,966,900,000											$ 8,638,900,000	$ 7,966,900,000	$ 8,843,900,000					$ 7,966,900,000
Note, stated interest rate, percentage (as a percent)					2.50%		2.00%	2.00%	3.50%	3.50%	5.00%	5.00%				2.50%	4.85%	5.00%