Acquisition of StarBev - Allocation of Consideration Transferred (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended					0 Months Ended		12 Months Ended
	Dec. 31, 2013	Dec. 29, 2012	Dec. 31, 2011	Jun. 15, 2012 Molson Coors Central Europe (MCCE)		Jun. 29, 2012 Molson Coors Central Europe (MCCE) Subordinated Deferred Payment Obligation, Including Interest and Other Costs [Member]	Jun. 15, 2012 Molson Coors Central Europe (MCCE) Subordinated Deferred Payment Obligation, Including Interest and Other Costs [Member]	Dec. 31, 2013 Europe Brand Impairment [Member]
Business Acquisition [Line Items]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)								$ 150.9	[1]
Purchase price adjustment	(15.4)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Cash and cash equivalents				143.6
Current assets				263.5	[2]
Properties				571.7
Other intangibles, net				2,481.0	[3]
Other assets				36.7
Total assets acquired				3,496.5
Current liabilities				849.0			423.4
Non-current liabilities				456.1
Total liabilities assumed				1,305.1
Total identifiable net assets				2,191.4
Noncontrolling interest measured at fair value				40.6
Goodwill	2,418.7	2,453.1	1,453.3	896.1
Total consideration				3,046.9
Business acquisition, assets assumed, net receivables				167.5
Business acquisition, assets assumed, inventory				57.3
Payments on debt assumed in Acquisition	0	424.3	0			425.7
Deferred tax liabilities	$ 911.4	$ 948.5		$ 404.0

[1] During the third quarter of 2013, we recognized impairment charges related to indefinite-lived intangible assets in Europe. See Note 12, "Goodwill and Intangible Assets" for further discussion.

[2] Includes trade receivables of $167.5 million and inventory of $57.3 million.

[3] (3)Includes the $423.4 million SDPO assumed, which was subsequently repaid for $425.7 million on June 29, 2012.