Investments Transactions with MillerCoors (Details) (MillerCoors, USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 29, 2012
MillerCoors
Schedule of Equity Method Investments [Line Items]
Beer sales to MillerCoors	$ 13.1	$ 16.6	$ 18.9
Beer purchases from MillerCoors	37.3	19.2	13.1
Service agreement costs and other charges to MillerCoors	2.4	2.5	3.7
Service agreement costs and other charges from MillerCoors	1.0	1.1	1.2
Net payables due to affiliate	8.3
Net receivables due from affiliate		4.4
Undistributed Earnings, Basic	$ 0

Equity Method Investments, Intercompany Transactions, Net Payables Due

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The earnings that is allocated to common stock and participating securities to the extent that each security may share in earnings as if all of the earnings for the period had been distributed.

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