Acquisition and Investments Financials (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2016	Jun. 30, 2017	Dec. 31, 2016	Oct. 10, 2016	Dec. 31, 2015
Equity Method Investment, Summarized Financial Information, Liabilities and Equity [Abstract]
Total equity	$ 9,871.9	$ 9,871.9	$ 12,305.8	$ 11,621.7		$ 7,063.1
MillerCoors
Equity Method Investment, Summarized Financial Information, Liabilities and Equity [Abstract]
MCBC economic interest	42.00%	42.00%			42.00%
Results of operations
Net sales	$ 2,126.7	$ 3,942.8
Cost of goods sold	(1,174.5)	(2,207.5)
Gross profit	952.2	1,735.3
Operating income	435.7	772.2
Net income attributable to MillerCoors	429.5	764.8
Accelerated depreciation expense	$ 33.0	$ 68.9
MillerCoors
Results of operations
Business Acquisition, Percentage of Voting Interests Acquired					50.00%