Supplemental Guarantor Information Balance Sheet (Details) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 393.6	$ 624.6	$ 722.1	$ 442.3
Accounts receivable, net	524.6	527.7
Other receivables, net	91.8	94.0
Total inventories, net	224.5	202.2
Other current assets, net	89.8	101.4
Deferred tax assets	27.3	27.2
Total current assets	1,351.6	1,577.1
Properties, net	1,614.8	1,798.0
Goodwill	2,046.8	2,191.6
Other intangibles, net	4,923.6	5,755.8
Investment in MillerCoors	2,440.7	2,388.6
Deferred tax assets	38.5	58.2
Total assets	12,645.3	13,980.1
Current liabilities :
Deferred tax liabilities	164.8	164.8
Current portion of long-term debt and short-term borrowings	48.2	849.0
Discontinued operations	4.1	6.1
Total current liabilities	1,413.3	2,324.9
Long-term debt	2,953.9	2,321.3
Pension and postretirement benefits	243.0	542.9
Deferred tax liabilities	668.8	784.3
Discontinued operations	10.4	15.5
Total liabilities	5,372.6	6,094.0
MCBC stockholders' equity	7,250.3	7,863.3
Noncontrolling interests	22.4	22.8
Total equity	7,272.7	7,886.1
Total liabilities and equity	12,645.3	13,980.1
Parent Guarantor and 2012 Issuer [Member]
Current assets:
Cash and cash equivalents	45.1	40.9	51.4	90.6
Accounts receivable, net	0.0	2.3
Other receivables, net	13.0	17.4
Total inventories, net	0.0	0.0
Other current assets, net	3.0	5.6
Deferred tax assets	2.2	2.2
Intercompany accounts receivable	0.0	0.0
Total current assets	63.3	68.4
Properties, net	32.3	26.9
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	12,500.8	12,582.8
Deferred tax assets	11.9	21.3
Other assets	33.7	17.8
Total assets	12,642.0	12,717.2
Current liabilities :
Accounts payable and other current liabilities	65.7	61.9
Deferred tax liabilities	0.0	0.0
Current portion of long-term debt and short-term borrowings	10.0	0.0
Discontinued operations	0.0	0.0
Intercompany accounts payable	3,396.8	2,881.1
Total current liabilities	3,472.5	2,943.0
Long-term debt	1,907.9	1,892.6
Pension and postretirement benefits	3.2	2.9
Deferred tax liabilities	0.0	0.0
Other liabilities	9.2	16.6
Discontinued operations	0.0	0.0
Intercompany notes payable	0.0	0.0
Total liabilities	5,392.8	4,855.1
MCBC stockholders' equity	7,250.3	7,863.3
Intercompany notes receivable	(1.1)	(1.2)
Total stockholders' equity	7,249.2	7,862.1
Noncontrolling interests	0.0	0.0
Total equity	7,249.2	7,862.1
Total liabilities and equity	12,642.0	12,717.2
Subsidiary Guarantors [Member]
Current assets:
Cash and cash equivalents	178.8	470.7	487.4	248.7
Accounts receivable, net	359.8	391.0
Other receivables, net	56.6	50.3
Total inventories, net	183.6	170.1
Other current assets, net	49.6	55.0
Deferred tax assets	0.9	0.0
Intercompany accounts receivable	3,906.9	3,313.0
Total current assets	4,736.2	4,450.1
Properties, net	985.1	1,161.4
Goodwill	1,021.0	1,085.2
Other intangibles, net	3,446.8	3,883.9
Investment in MillerCoors	2,440.7	2,388.6
Net investment in and advances to subsidiaries	4,013.5	3,618.6
Deferred tax assets	14.1	23.4
Other assets	154.0	143.6
Total assets	16,811.4	16,754.8
Current liabilities :
Accounts payable and other current liabilities	762.2	903.3
Deferred tax liabilities	171.4	171.4
Current portion of long-term debt and short-term borrowings	0.0	773.9
Discontinued operations	0.0	0.0
Intercompany accounts payable	368.6	312.8
Total current liabilities	1,302.2	2,161.4
Long-term debt	1,046.0	428.7
Pension and postretirement benefits	233.8	534.0
Deferred tax liabilities	0.0	0.0
Other liabilities	41.9	45.8
Discontinued operations	0.0	0.0
Intercompany notes payable	1,299.7	1,211.9
Total liabilities	3,923.6	4,381.8
MCBC stockholders' equity	17,961.2	18,041.3
Intercompany notes receivable	(5,073.4)	(5,668.3)
Total stockholders' equity	12,887.8	12,373.0
Noncontrolling interests	0.0	0.0
Total equity	12,887.8	12,373.0
Total liabilities and equity	16,811.4	16,754.8
Subsidiary Non Guarantors [Member]
Current assets:
Cash and cash equivalents	169.7	113.0	183.3	103.0
Accounts receivable, net	164.8	134.4
Other receivables, net	22.2	26.3
Total inventories, net	40.9	32.1
Other current assets, net	37.2	40.8
Deferred tax assets	30.8	31.6
Intercompany accounts receivable	321.0	251.8
Total current assets	786.6	630.0
Properties, net	597.4	609.7
Goodwill	1,025.8	1,106.4
Other intangibles, net	1,476.8	1,871.9
Investment in MillerCoors	0.0	0.0
Net investment in and advances to subsidiaries	5,429.4	5,998.2
Deferred tax assets	0.2	1.2
Other assets	41.6	49.4
Total assets	9,357.8	10,266.8
Current liabilities :
Accounts payable and other current liabilities	368.3	339.8
Deferred tax liabilities	0.0	0.0
Current portion of long-term debt and short-term borrowings	38.2	75.1
Discontinued operations	4.1	6.1
Intercompany accounts payable	462.5	370.9
Total current liabilities	873.1	791.9
Long-term debt	0.0	0.0
Pension and postretirement benefits	6.0	6.0
Deferred tax liabilities	656.5	772.0
Other liabilities	32.1	42.7
Discontinued operations	10.4	15.5
Intercompany notes payable	5,074.2	5,669.5
Total liabilities	6,652.3	7,297.6
MCBC stockholders' equity	3,982.5	4,158.3
Intercompany notes receivable	(1,299.4)	(1,211.9)
Total stockholders' equity	2,683.1	2,946.4
Noncontrolling interests	22.4	22.8
Total equity	2,705.5	2,969.2
Total liabilities and equity	9,357.8	10,266.8
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
Deferred tax assets	(6.6)	(6.6)
Intercompany accounts receivable	(4,227.9)	(3,564.8)
Total current assets	(4,234.5)	(3,571.4)
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	(21,943.7)	(22,199.6)
Deferred tax assets	12.3	12.3
Other assets	0.0	0.0
Total assets	(26,165.9)	(25,758.7)
Current liabilities :
Accounts payable and other current liabilities	0.0	0.0
Deferred tax liabilities	(6.6)	(6.6)
Current portion of long-term debt and short-term borrowings	0.0	0.0
Discontinued operations	0.0	0.0
Intercompany accounts payable	(4,227.9)	(3,564.8)
Total current liabilities	(4,234.5)	(3,571.4)
Long-term debt	0.0	0.0
Pension and postretirement benefits	0.0	0.0
Deferred tax liabilities	12.3	12.3
Other liabilities	0.0	0.0
Discontinued operations	0.0	0.0
Intercompany notes payable	(6,373.9)	(6,881.4)
Total liabilities	(10,596.1)	(10,440.5)
MCBC stockholders' equity	(21,943.7)	(22,199.6)
Intercompany notes receivable	6,373.9	6,881.4
Total stockholders' equity	(15,569.8)	(15,318.2)
Noncontrolling interests	0.0	0.0
Total equity	(15,569.8)	(15,318.2)
Total liabilities and equity	(26,165.9)	(25,758.7)
Consolidated [Member]
Current assets:
Cash and cash equivalents	393.6	624.6	$ 722.1	$ 442.3
Accounts receivable, net	524.6	527.7
Other receivables, net	91.8	94.0
Total inventories, net	224.5	202.2
Other current assets, net	89.8	101.4
Deferred tax assets	27.3	27.2
Intercompany accounts receivable	0.0	0.0
Total current assets	1,351.6	1,577.1
Properties, net	1,614.8	1,798.0
Goodwill	2,046.8	2,191.6
Other intangibles, net	4,923.6	5,755.8
Investment in MillerCoors	2,440.7	2,388.6
Net investment in and advances to subsidiaries	0.0	0.0
Deferred tax assets	38.5	58.2
Other assets	229.3	210.8
Total assets	12,645.3	13,980.1
Current liabilities :
Accounts payable and other current liabilities	1,196.2	1,305.0
Deferred tax liabilities	164.8	164.8
Current portion of long-term debt and short-term borrowings	48.2	849.0
Discontinued operations	4.1	6.1
Intercompany accounts payable	0.0	0.0
Total current liabilities	1,413.3	2,324.9
Long-term debt	2,953.9	2,321.3
Pension and postretirement benefits	243.0	542.9
Deferred tax liabilities	668.8	784.3
Other liabilities	83.2	105.1
Discontinued operations	10.4	15.5
Intercompany notes payable	0.0	0.0
Total liabilities	5,372.6	6,094.0
MCBC stockholders' equity	7,250.3	7,863.3
Intercompany notes receivable	0.0	0.0
Total stockholders' equity	7,250.3	7,863.3
Noncontrolling interests	22.4	22.8
Total equity	7,272.7	7,886.1
Total liabilities and equity	$ 12,645.3	$ 13,980.1