Supplemental Guarantor Information Balance Sheet (Details) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 413.8	$ 624.6	$ 506.0	$ 442.3
Accounts receivable, net	595.1	527.7
Other receivables, net	90.5	94.0
Total inventories, net	244.3	202.2
Other current assets, net	105.3	103.2
Deferred tax assets	27.2	27.2
Total current assets	1,476.2	1,578.9
Properties, net	1,709.4	1,798.0
Goodwill	2,115.3	2,191.6
Other intangibles, net	5,373.3	5,755.8
Investment in MillerCoors	2,452.9	2,388.6
Deferred tax assets	51.2	58.2
Total assets	13,397.2	13,996.3
Current liabilities :
Deferred tax liabilities	179.0	164.8
Current portion of long-term debt and short-term borrowings	832.4	849.4
Discontinued operations	5.2	6.1
Total current liabilities	2,349.5	2,325.3
Long-term debt	2,305.2	2,337.1
Pension and postretirement benefits	269.0	542.9
Deferred tax liabilities	739.0	784.3
Discontinued operations	13.2	15.5
Total liabilities	5,765.8	6,110.2
MCBC stockholders' equity	7,607.1	7,863.3
Noncontrolling interests	24.3	22.8
Total equity	7,631.4	7,886.1
Total liabilities and equity	13,397.2	13,996.3
Parent Guarantor and 2012 Issuer [Member]
Current assets:
Cash and cash equivalents	85.1	40.9	77.4	90.6
Accounts receivable, net	0.0	2.3
Other receivables, net	25.1	17.4
Total inventories, net	0.0	0.0
Other current assets, net	6.2	7.0
Deferred tax assets	2.2	2.2
Intercompany accounts receivable	0.0	0.0
Total current assets	118.6	69.8
Properties, net	28.8	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	12,673.4	12,582.8
Deferred tax assets	18.0	21.3
Other assets	32.2	31.1
Total assets	12,871.0	12,731.9
Current liabilities :
Accounts payable and other current liabilities	44.1	61.9
Deferred tax liabilities	0.0	0.0
Current portion of long-term debt and short-term borrowings	65.0	0.0
Discontinued operations	0.0	0.0
Intercompany accounts payable	3,229.0	2,881.1
Total current liabilities	3,338.1	2,943.0
Long-term debt	1,905.3	1,907.3
Pension and postretirement benefits	3.1	2.9
Deferred tax liabilities	0.0	0.0
Other liabilities	18.5	16.6
Discontinued operations	0.0	0.0
Intercompany notes payable	0.0	0.0
Total liabilities	5,265.0	4,869.8
MCBC stockholders' equity	7,607.1	7,863.3
Intercompany notes receivable	(1.1)	(1.2)
Total stockholders' equity	7,606.0	7,862.1
Noncontrolling interests	0.0	0.0
Total equity	7,606.0	7,862.1
Total liabilities and equity	12,871.0	12,731.9
Subsidiary Guarantors [Member]
Current assets:
Cash and cash equivalents	199.1	470.7	263.6	248.7
Accounts receivable, net	384.9	391.0
Other receivables, net	44.2	50.3
Total inventories, net	195.1	170.1
Other current assets, net	59.1	55.4
Deferred tax assets	0.9	0.0
Intercompany accounts receivable	3,688.7	3,313.0
Total current assets	4,572.0	4,450.5
Properties, net	1,079.0	1,161.4
Goodwill	1,073.6	1,085.2
Other intangibles, net	3,624.8	3,883.9
Investment in MillerCoors	2,452.9	2,388.6
Net investment in and advances to subsidiaries	4,047.9	3,618.6
Deferred tax assets	20.7	23.4
Other assets	144.9	144.7
Total assets	17,015.8	16,756.3
Current liabilities :
Accounts payable and other current liabilities	882.6	903.3
Deferred tax liabilities	185.6	171.4
Current portion of long-term debt and short-term borrowings	720.2	774.3
Discontinued operations	0.0	0.0
Intercompany accounts payable	353.3	312.8
Total current liabilities	2,141.7	2,161.8
Long-term debt	399.9	429.8
Pension and postretirement benefits	259.9	534.0
Deferred tax liabilities	0.0	0.0
Other liabilities	34.0	45.8
Discontinued operations	0.0	0.0
Intercompany notes payable	1,379.4	1,211.9
Total liabilities	4,214.9	4,383.3
MCBC stockholders' equity	18,132.5	18,041.3
Intercompany notes receivable	(5,331.6)	(5,668.3)
Total stockholders' equity	12,800.9	12,373.0
Noncontrolling interests	0.0	0.0
Total equity	12,800.9	12,373.0
Total liabilities and equity	17,015.8	16,756.3
Subsidiary Non Guarantors [Member]
Current assets:
Cash and cash equivalents	129.6	113.0	165.0	103.0
Accounts receivable, net	210.2	134.4
Other receivables, net	21.2	26.3
Total inventories, net	49.2	32.1
Other current assets, net	40.0	40.8
Deferred tax assets	30.8	31.6
Intercompany accounts receivable	316.5	251.8
Total current assets	797.5	630.0
Properties, net	601.6	609.7
Goodwill	1,041.7	1,106.4
Other intangibles, net	1,748.5	1,871.9
Investment in MillerCoors	0.0	0.0
Net investment in and advances to subsidiaries	5,587.1	5,998.2
Deferred tax assets	0.2	1.2
Other assets	41.8	49.4
Total assets	9,818.4	10,266.8
Current liabilities :
Accounts payable and other current liabilities	406.2	339.8
Deferred tax liabilities	0.1	0.0
Current portion of long-term debt and short-term borrowings	47.2	75.1
Discontinued operations	5.2	6.1
Intercompany accounts payable	422.9	370.9
Total current liabilities	881.6	791.9
Long-term debt	0.0	0.0
Pension and postretirement benefits	6.0	6.0
Deferred tax liabilities	726.7	772.0
Other liabilities	37.4	42.7
Discontinued operations	13.2	15.5
Intercompany notes payable	5,332.7	5,669.5
Total liabilities	6,997.6	7,297.6
MCBC stockholders' equity	4,175.9	4,158.3
Intercompany notes receivable	(1,379.4)	(1,211.9)
Total stockholders' equity	2,796.5	2,946.4
Noncontrolling interests	24.3	22.8
Total equity	2,820.8	2,969.2
Total liabilities and equity	9,818.4	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	(6.7)	(6.6)
Intercompany accounts receivable	(4,005.2)	(3,564.8)
Total current assets	(4,011.9)	(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	(22,308.4)	(22,199.6)
Deferred tax assets	12.3	12.3
Other assets	0.0	0.0
Total assets	(26,308.0)	(25,758.7)
Current liabilities :
Accounts payable and other current liabilities	0.0	0.0
Deferred tax liabilities	(6.7)	(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	(4,005.2)	(3,564.8)
Total current liabilities	(4,011.9)	(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	(6,712.1)	(6,881.4)
Total liabilities	(10,711.7)	(10,440.5)
MCBC stockholders' equity	(22,308.4)	(22,199.6)
Intercompany notes receivable	6,712.1	6,881.4
Total stockholders' equity	(15,596.3)	(15,318.2)
Noncontrolling interests	0.0	0.0
Total equity	(15,596.3)	(15,318.2)
Total liabilities and equity	(26,308.0)	(25,758.7)
Consolidated [Member]
Current assets:
Cash and cash equivalents	413.8	624.6	$ 506.0	$ 442.3
Accounts receivable, net	595.1	527.7
Other receivables, net	90.5	94.0
Total inventories, net	244.3	202.2
Other current assets, net	105.3	103.2
Deferred tax assets	27.2	27.2
Intercompany accounts receivable	0.0	0.0
Total current assets	1,476.2	1,578.9
Properties, net	1,709.4	1,798.0
Goodwill	2,115.3	2,191.6
Other intangibles, net	5,373.3	5,755.8
Investment in MillerCoors	2,452.9	2,388.6
Net investment in and advances to subsidiaries	0.0	0.0
Deferred tax assets	51.2	58.2
Other assets	218.9	225.2
Total assets	13,397.2	13,996.3
Current liabilities :
Accounts payable and other current liabilities	1,332.9	1,305.0
Deferred tax liabilities	179.0	164.8
Current portion of long-term debt and short-term borrowings	832.4	849.4
Discontinued operations	5.2	6.1
Intercompany accounts payable	0.0	0.0
Total current liabilities	2,349.5	2,325.3
Long-term debt	2,305.2	2,337.1
Pension and postretirement benefits	269.0	542.9
Deferred tax liabilities	739.0	784.3
Other liabilities	89.9	105.1
Discontinued operations	13.2	15.5
Intercompany notes payable	0.0	0.0
Total liabilities	5,765.8	6,110.2
MCBC stockholders' equity	7,607.1	7,863.3
Intercompany notes receivable	0.0	0.0
Total stockholders' equity	7,607.1	7,863.3
Noncontrolling interests	24.3	22.8
Total equity	7,631.4	7,886.1
Total liabilities and equity	$ 13,397.2	$ 13,996.3