Supplemental Guarantor Information Balance Sheet (Details) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 9,981.5	$ 430.9	$ 393.6	$ 624.6
Accounts receivable, net	474.4	424.7
Other receivables, net	164.4	101.2
Total inventories, net	218.3	179.3
Other current assets, net	109.1	122.7
Total current assets	10,947.7	1,258.8
Properties, net	1,527.1	1,590.8
Goodwill	1,925.2	1,983.3
Other intangibles, net	4,880.4	4,745.7
Investment in MillerCoors	2,643.6	2,441.0
Deferred tax assets	26.7	20.2
Total assets	22,196.8	12,276.3
Current liabilities:
Current portion of long-term debt and short-term borrowings	326.9	28.7
Discontinued operations	4.9	4.1
Total current liabilities	1,605.7	1,217.2
Long-term debt	9,560.7	2,908.7
Pension and postretirement benefits	206.1	201.9
Deferred tax liabilities	798.1	799.8
Discontinued operations	12.6	10.3
Total liabilities	12,256.4	5,213.2
MCBC stockholders' equity	9,919.5	7,043.0
Noncontrolling interests	20.9	20.1
Total equity	9,940.4	7,063.1
Total liabilities and equity	22,196.8	12,276.3
Consolidation, 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	(1,280.2)	(3,802.2)
Total current assets	(1,280.2)	(3,802.2)
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	(19,691.6)	(20,618.5)
Deferred tax assets	(11.6)	(17.6)
Other assets	0.0	0.0
Total assets	(20,983.4)	(24,438.3)
Current liabilities:
Accounts payable and other current liabilities	0.0	0.0
Current portion of long-term debt and short-term borrowings	0.0	0.0
Discontinued operations	0.0	0.0
Intercompany accounts payable	(1,280.2)	(3,802.2)
Total current liabilities	(1,280.2)	(3,802.2)
Long-term debt	0.0	0.0
Pension and postretirement benefits	0.0	0.0
Deferred tax liabilities	(11.6)	(17.6)
Other liabilities	0.0	0.0
Discontinued operations	0.0	0.0
Intercompany notes payable	(7,906.8)	(4,759.3)
Total liabilities	(9,198.6)	(8,579.1)
MCBC stockholders' equity	(19,691.6)	(20,618.5)
Intercompany notes receivable	7,906.8	4,759.3
Total stockholders' equity	(11,784.8)	(15,859.2)
Noncontrolling interests	0.0	0.0
Total equity	(11,784.8)	(15,859.2)
Total liabilities and equity	(20,983.4)	(24,438.3)
Parent Guarantor and 2012 Issuer [Member]
Current assets:
Cash and cash equivalents	7,479.6	146.4	45.1	40.9
Accounts receivable, net	0.0	0.0
Other receivables, net	93.4	8.7
Total inventories, net	0.0	0.0
Other current assets, net	3.5	45.6
Intercompany accounts receivable	0.0	0.0
Total current assets	7,576.5	200.7
Properties, net	24.3	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	11,486.4	12,394.3
Deferred tax assets	35.1	37.7
Other assets	11.6	14.0
Total assets	19,133.9	12,667.1
Current liabilities:
Accounts payable and other current liabilities	131.1	72.7
Current portion of long-term debt and short-term borrowings	299.9	0.0
Discontinued operations	0.0	0.0
Intercompany accounts payable	1,028.2	3,652.6
Total current liabilities	1,459.2	3,725.3
Long-term debt	7,741.0	1,902.1
Pension and postretirement benefits	3.6	3.3
Deferred tax liabilities	0.0	0.0
Other liabilities	11.7	6.5
Discontinued operations	0.0	0.0
Intercompany notes payable	0.0	0.0
Total liabilities	9,215.5	5,637.2
MCBC stockholders' equity	9,919.5	7,031.0
Intercompany notes receivable	(1.1)	(1.1)
Total stockholders' equity	9,918.4	7,029.9
Noncontrolling interests	0.0	0.0
Total equity	9,918.4	7,029.9
Total liabilities and equity	19,133.9	12,667.1
Subsidiary Guarantors [Member]
Current assets:
Cash and cash equivalents	2,246.5	106.2	138.5	173.2
Accounts receivable, net	125.9	120.4
Other receivables, net	25.6	33.5
Total inventories, net	95.9	61.6
Other current assets, net	42.6	22.4
Intercompany accounts receivable	1,254.0	3,796.7
Total current assets	3,790.5	4,140.8
Properties, net	566.7	578.7
Goodwill	237.6	225.3
Other intangibles, net	3,104.8	2,954.2
Investment in MillerCoors	2,643.6	2,441.0
Net investment in and advances to subsidiaries	2,913.9	3,459.1
Deferred tax assets	3.1	0.0
Other assets	130.6	115.4
Total assets	13,390.8	13,914.5
Current liabilities:
Accounts payable and other current liabilities	342.7	332.0
Current portion of long-term debt and short-term borrowings	0.0	0.0
Discontinued operations	0.0	0.0
Intercompany accounts payable	93.9	70.6
Total current liabilities	436.6	402.6
Long-term debt	1,819.7	1,006.6
Pension and postretirement benefits	188.4	184.3
Deferred tax liabilities	221.0	215.7
Other liabilities	23.8	25.1
Discontinued operations	0.0	0.0
Intercompany notes payable	1,347.6	0.5
Total liabilities	4,037.1	1,834.8
MCBC stockholders' equity	15,911.8	16,837.4
Intercompany notes receivable	(6,558.1)	(4,757.7)
Total stockholders' equity	9,353.7	12,079.7
Noncontrolling interests	0.0	0.0
Total equity	9,353.7	12,079.7
Total liabilities and equity	13,390.8	13,914.5
Subsidiary Non Guarantors [Member]
Current assets:
Cash and cash equivalents	255.4	178.3	210.0	410.5
Accounts receivable, net	348.5	304.3
Other receivables, net	45.4	59.0
Total inventories, net	122.4	117.7
Other current assets, net	63.0	54.7
Intercompany accounts receivable	26.2	5.5
Total current assets	860.9	719.5
Properties, net	936.1	991.7
Goodwill	1,687.6	1,758.0
Other intangibles, net	1,775.6	1,791.5
Investment in MillerCoors	0.0	0.0
Net investment in and advances to subsidiaries	5,291.3	4,765.1
Deferred tax assets	0.1	0.1
Other assets	103.9	107.1
Total assets	10,655.5	10,133.0
Current liabilities:
Accounts payable and other current liabilities	800.1	779.7
Current portion of long-term debt and short-term borrowings	27.0	28.7
Discontinued operations	4.9	4.1
Intercompany accounts payable	158.1	79.0
Total current liabilities	990.1	891.5
Long-term debt	0.0	0.0
Pension and postretirement benefits	14.1	14.3
Deferred tax liabilities	588.7	601.7
Other liabilities	37.7	43.7
Discontinued operations	12.6	10.3
Intercompany notes payable	6,559.2	4,758.8
Total liabilities	8,202.4	6,320.3
MCBC stockholders' equity	3,779.8	3,793.1
Intercompany notes receivable	(1,347.6)	(0.5)
Total stockholders' equity	2,432.2	3,792.6
Noncontrolling interests	20.9	20.1
Total equity	2,453.1	3,812.7
Total liabilities and equity	10,655.5	10,133.0
Consolidated [Member]
Current assets:
Cash and cash equivalents	9,981.5	430.9	$ 393.6	$ 624.6
Accounts receivable, net	474.4	424.7
Other receivables, net	164.4	101.2
Total inventories, net	218.3	179.3
Other current assets, net	109.1	122.7
Intercompany accounts receivable	0.0	0.0
Total current assets	10,947.7	1,258.8
Properties, net	1,527.1	1,590.8
Goodwill	1,925.2	1,983.3
Other intangibles, net	4,880.4	4,745.7
Investment in MillerCoors	2,643.6	2,441.0
Net investment in and advances to subsidiaries	0.0	0.0
Deferred tax assets	26.7	20.2
Other assets	246.1	236.5
Total assets	22,196.8	12,276.3
Current liabilities:
Accounts payable and other current liabilities	1,273.9	1,184.4
Current portion of long-term debt and short-term borrowings	326.9	28.7
Discontinued operations	4.9	4.1
Intercompany accounts payable	0.0	0.0
Total current liabilities	1,605.7	1,217.2
Long-term debt	9,560.7	2,908.7
Pension and postretirement benefits	206.1	201.9
Deferred tax liabilities	798.1	799.8
Other liabilities	73.2	75.3
Discontinued operations	12.6	10.3
Intercompany notes payable	0.0	0.0
Total liabilities	12,256.4	5,213.2
MCBC stockholders' equity	9,919.5	7,043.0
Intercompany notes receivable	0.0	0.0
Total stockholders' equity	9,919.5	7,043.0
Noncontrolling interests	20.9	20.1
Total equity	9,940.4	7,063.1
Total liabilities and equity	$ 22,196.8	$ 12,276.3