Supplemental Guarantor Information Balance Sheet (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 2,602.9	$ 430.9	$ 317.6	$ 624.6
Accounts receivable, net	456.5	424.7
Other receivables, net	316.4	101.2
Total inventories, net	230.4	179.3
Other current assets, net	156.6	122.7
Total current assets	3,762.8	1,258.8
Properties, net	1,588.7	1,590.8
Goodwill	2,028.9	1,983.3
Other intangibles, net	4,984.9	4,745.7
Investment in MillerCoors	2,580.9	2,441.0
Deferred tax assets	23.1	20.2
Total assets	15,210.3	12,276.3
Current liabilities:
Total short-term borrowings	63.5	28.7
Discontinued operations	4.5	4.1
Total current liabilities	1,221.9	1,217.2
Long-term debt	2,973.4	2,908.7
Pension and postretirement benefits	208.9	201.9
Deferred tax liabilities	796.1	799.8
Discontinued operations	11.4	10.3
Total liabilities	5,291.0	5,213.2
MCBC stockholders' equity	9,898.8	7,043.0
Noncontrolling interests	20.5	20.1
Total equity	9,919.3	7,063.1
Total liabilities and equity	15,210.3	12,276.3
Parent Guarantor and 2012 Issuer [Member]
Current assets:
Cash and cash equivalents	2,416.5	146.4	50.1	40.9
Accounts receivable, net	0.2	0.0
Other receivables, net	88.0	8.7
Total inventories, net	0.0	0.0
Other current assets, net	44.0	45.6
Intercompany accounts receivable	0.0	0.0
Total current assets	2,548.7	200.7
Properties, net	21.9	20.4
Goodwill	0.0	0.0
Other intangibles, net	0.0	0.0
Investment in MillerCoors	0.0	0.0
Net investment in and advances to subsidiaries	9,323.8	12,394.3
Deferred tax assets	39.9	37.7
Other assets	13.2	14.0
Total assets	11,947.5	12,667.1
Current liabilities:
Accounts payable and other current liabilities	81.3	72.7
Total short-term borrowings	0.0	0.0
Discontinued operations	0.0	0.0
Intercompany accounts payable	53.1	3,652.6
Total current liabilities	134.4	3,725.3
Long-term debt	1,901.7	1,902.1
Pension and postretirement benefits	3.4	3.3
Deferred tax liabilities	0.0	0.0
Other liabilities	10.3	6.5
Discontinued operations	0.0	0.0
Intercompany notes payable	0.0	0.0
Total liabilities	2,049.8	5,637.2
MCBC stockholders' equity	9,898.8	7,031.0
Intercompany notes receivable	(1.1)	(1.1)
Total stockholders' equity	9,897.7	7,029.9
Noncontrolling interests	0.0	0.0
Total equity	9,897.7	7,029.9
Total liabilities and equity	11,947.5	12,667.1
Subsidiary Guarantors [Member]
Current assets:
Cash and cash equivalents	65.7	171.3	168.8	470.7
Accounts receivable, net	318.8	297.8
Other receivables, net	190.9	61.0
Total inventories, net	183.7	145.1
Other current assets, net	68.1	43.5
Intercompany accounts receivable	452.5	3,980.6
Total current assets	1,279.7	4,699.3
Properties, net	949.6	975.7
Goodwill	986.5	991.7
Other intangibles, net	3,492.0	3,316.9
Investment in MillerCoors	2,580.9	2,441.0
Net investment in and advances to subsidiaries	3,660.3	3,926.1
Deferred tax assets	2.5	0.0
Other assets	187.8	181.2
Total assets	13,139.3	16,531.9
Current liabilities:
Accounts payable and other current liabilities	738.8	790.6
Total short-term borrowings	0.0	0.0
Discontinued operations	0.0	0.0
Intercompany accounts payable	360.3	344.4
Total current liabilities	1,099.1	1,135.0
Long-term debt	1,071.7	1,006.6
Pension and postretirement benefits	199.2	192.8
Deferred tax liabilities	227.5	220.7
Other liabilities	38.2	37.8
Discontinued operations	0.0	0.0
Intercompany notes payable	818.7	840.6
Total liabilities	3,454.4	3,433.5
MCBC stockholders' equity	14,774.7	17,861.4
Intercompany notes receivable	(5,089.8)	(4,763.0)
Total stockholders' equity	9,684.9	13,098.4
Noncontrolling interests	0.0	0.0
Total equity	9,684.9	13,098.4
Total liabilities and equity	13,139.3	16,531.9
Subsidiary Non Guarantors [Member]
Current assets:
Cash and cash equivalents	120.7	113.2	98.7	113.0
Accounts receivable, net	137.5	126.9
Other receivables, net	37.5	31.5
Total inventories, net	46.7	34.2
Other current assets, net	44.5	33.6
Intercompany accounts receivable	304.5	288.1
Total current assets	691.4	627.5
Properties, net	617.2	594.7
Goodwill	1,042.4	991.6
Other intangibles, net	1,492.9	1,428.8
Investment in MillerCoors	0.0	0.0
Net investment in and advances to subsidiaries	5,788.0	5,421.2
Deferred tax assets	0.1	0.1
Other assets	40.0	41.3
Total assets	9,672.0	9,105.2
Current liabilities:
Accounts payable and other current liabilities	333.8	321.1
Total short-term borrowings	63.5	28.7
Discontinued operations	4.5	4.1
Intercompany accounts payable	343.6	271.7
Total current liabilities	745.4	625.6
Long-term debt	0.0	0.0
Pension and postretirement benefits	6.3	5.8
Deferred tax liabilities	588.0	596.7
Other liabilities	30.8	31.0
Discontinued operations	11.4	10.3
Intercompany notes payable	5,090.8	4,764.0
Total liabilities	6,472.7	6,033.4
MCBC stockholders' equity	3,997.4	3,892.2
Intercompany notes receivable	(818.6)	(840.5)
Total stockholders' equity	3,178.8	3,051.7
Noncontrolling interests	20.5	20.1
Total equity	3,199.3	3,071.8
Total liabilities and equity	9,672.0	9,105.2
Eliminations [Member]
Current assets:
Cash and cash equivalents	0.0	0.0	0.0	0.0
Accounts receivable, net	0.0	0.0
Other receivables, net	0.0	0.0
Total inventories, net	0.0	0.0
Other current assets, net	0.0	0.0
Intercompany accounts receivable	(757.0)	(4,268.7)
Total current assets	(757.0)	(4,268.7)
Properties, net	0.0	0.0
Goodwill	0.0	0.0
Other intangibles, net	0.0	0.0
Investment in MillerCoors	0.0	0.0
Net investment in and advances to subsidiaries	(18,772.1)	(21,741.6)
Deferred tax assets	(19.4)	(17.6)
Other assets	0.0	0.0
Total assets	(19,548.5)	(26,027.9)
Current liabilities:
Accounts payable and other current liabilities	0.0	0.0
Total short-term borrowings	0.0	0.0
Discontinued operations	0.0	0.0
Intercompany accounts payable	(757.0)	(4,268.7)
Total current liabilities	(757.0)	(4,268.7)
Long-term debt	0.0	0.0
Pension and postretirement benefits	0.0	0.0
Deferred tax liabilities	(19.4)	(17.6)
Other liabilities	0.0	0.0
Discontinued operations	0.0	0.0
Intercompany notes payable	(5,909.5)	(5,604.6)
Total liabilities	(6,685.9)	(9,890.9)
MCBC stockholders' equity	(18,772.1)	(21,741.6)
Intercompany notes receivable	5,909.5	5,604.6
Total stockholders' equity	(12,862.6)	(16,137.0)
Noncontrolling interests	0.0	0.0
Total equity	(12,862.6)	(16,137.0)
Total liabilities and equity	(19,548.5)	(26,027.9)
Consolidated [Member]
Current assets:
Cash and cash equivalents	2,602.9	430.9	$ 317.6	$ 624.6
Accounts receivable, net	456.5	424.7
Other receivables, net	316.4	101.2
Total inventories, net	230.4	179.3
Other current assets, net	156.6	122.7
Intercompany accounts receivable	0.0	0.0
Total current assets	3,762.8	1,258.8
Properties, net	1,588.7	1,590.8
Goodwill	2,028.9	1,983.3
Other intangibles, net	4,984.9	4,745.7
Investment in MillerCoors	2,580.9	2,441.0
Net investment in and advances to subsidiaries	0.0	0.0
Deferred tax assets	23.1	20.2
Other assets	241.0	236.5
Total assets	15,210.3	12,276.3
Current liabilities:
Accounts payable and other current liabilities	1,153.9	1,184.4
Total short-term borrowings	63.5	28.7
Discontinued operations	4.5	4.1
Intercompany accounts payable	0.0	0.0
Total current liabilities	1,221.9	1,217.2
Long-term debt	2,973.4	2,908.7
Pension and postretirement benefits	208.9	201.9
Deferred tax liabilities	796.1	799.8
Other liabilities	79.3	75.3
Discontinued operations	11.4	10.3
Intercompany notes payable	0.0	0.0
Total liabilities	5,291.0	5,213.2
MCBC stockholders' equity	9,898.8	7,043.0
Intercompany notes receivable	0.0	0.0
Total stockholders' equity	9,898.8	7,043.0
Noncontrolling interests	20.5	20.1
Total equity	9,919.3	7,063.1
Total liabilities and equity	$ 15,210.3	$ 12,276.3