Investments Transactions with MillerCoors (Details) (MillerCoors, USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2014	Mar. 30, 2013
MillerCoors
Schedule of Equity Method Investments [Line Items]
Sales of beer to MillerCoors	$ 2.6	$ 4.4
Purchases of beer from MillerCoors	7.1	3.1
Service agreement and other charges to MillerCoors	0.4	0.6
Service agreement costs from MillerCoors	$ 0.2	$ 0.2

This item represents the amount of intercompany service agreement and other charges (to investee) on transactions between the Entity and unconsolidated subsidiaries (including certain corporate joint ventures, and noncontrolled corporations), accounted for under the equity method of accounting, which have not been eliminated in preparing the Entity's financial statements.

No definition available.

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Namespace Prefix:	tap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration