Supplemental Guarantor Information Income statement (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Sales	$ 1,665.4	$ 1,685.8	$ 4,509.9	$ 4,134.8
Excise taxes	(494.2)	(490.3)	(1,332.2)	(1,248.5)
Net sales	1,171.2	1,195.5	3,177.7	2,886.3
Cost of goods sold	(670.0)	(687.0)	(1,901.2)	(1,705.9)
Gross profit	501.2	508.5	1,276.5	1,180.4
Marketing, general and administrative expenses	(307.8)	(300.6)	(897.4)	(853.6)
Special items, net	(163.0)	(35.9)	(165.8)	(58.6)
Equity income in MillerCoors	148.3	132.0	438.3	436.5
Operating income (loss)	178.7	304.0	651.6	704.7
Interest income (expense), net	(17.8)	(54.4)	(133.9)	(162.8)
Other income (expense), net	(5.5)	(6.4)	(8.5)	(78.3)
Income (loss) from continuing operations before income taxes	155.4	243.2	509.2	463.6
Income tax benefit (expense)	(32.7)	(42.5)	(70.3)	(85.7)
Net Income (loss) from continuing operations	122.7	200.7	438.9	377.9
Income (loss) from discontinued operations, net of tax	0.9	0.7	1.7	1.6
Net income (loss) including noncontrolling interests	123.6	201.4	440.6	379.5
Add back (less): Loss (net income) attributable to noncontrolling interests		(3.0)		3.5
Net income (loss) attributable to MCBC	121.8	198.4	435.8	383.0
Comprehensive income attributable to MCBC	403.7	461.7	369.3	708.0
Parent Guarantor, 2007 and 2012 Issuer [Member]
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Sales	7.3	7.4	20.8	20.6
Excise taxes	0	0	0	0
Net sales	7.3	7.4	20.8	20.6
Cost of goods sold	0	0	0	0
Gross profit	7.3	7.4	20.8	20.6
Marketing, general and administrative expenses	(26.3)	(28.3)	(91.2)	(113.7)
Special items, net	(0.2)	(0.3)	(1.2)	(1.4)
Equity income (loss) in subsidiaries	59.1	215.7	414.8	505.9
Equity income in MillerCoors	0	0	0	0
Operating income (loss)	39.9	194.5	343.2	411.4
Interest income (expense), net	(24.6)	(27.2)	(78.3)	(82.6)
Other income (expense), net	(7.4)	8.8	(6.0)	1.7
Income (loss) from continuing operations before income taxes	7.9	176.1	258.9	330.5
Income tax benefit (expense)	113.9	22.3	176.9	52.5
Net Income (loss) from continuing operations	121.8	198.4	435.8	383.0
Income (loss) from discontinued operations, net of tax	0	0	0	0
Net income (loss) including noncontrolling interests	121.8	198.4	435.8	383.0
Add back (less): Loss (net income) attributable to noncontrolling interests	0	0	0	0
Net income (loss) attributable to MCBC	121.8	198.4	435.8	383.0
Comprehensive income attributable to MCBC	403.7	461.7	369.3	708.0
Subsidiary Guarantors
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Sales	1,277.3	1,311.1	3,561.0	3,622.7
Excise taxes	(401.2)	(401.4)	(1,096.5)	(1,116.1)
Net sales	876.1	909.7	2,464.5	2,506.6
Cost of goods sold	(501.7)	(516.3)	(1,451.1)	(1,441.1)
Gross profit	374.4	393.4	1,013.4	1,065.5
Marketing, general and administrative expenses	(204.2)	(208.2)	(570.3)	(629.9)
Special items, net	(9.1)	(7.0)	(10.1)	(18.2)
Equity income (loss) in subsidiaries	(161.9)	(79.5)	(427.5)	(378.6)
Equity income in MillerCoors	148.3	132.0	438.3	436.5
Operating income (loss)	147.5	230.7	443.8	475.3
Interest income (expense), net	91.4	70.8	223.5	209.0
Other income (expense), net	(18.6)	(17.9)	2.0	(26.8)
Income (loss) from continuing operations before income taxes	220.3	283.6	669.3	657.5
Income tax benefit (expense)	(173.4)	(66.8)	(269.9)	(157.3)
Net Income (loss) from continuing operations	46.9	216.8	399.4	500.2
Income (loss) from discontinued operations, net of tax	0	0	0	0
Net income (loss) including noncontrolling interests	46.9	216.8	399.4	500.2
Add back (less): Loss (net income) attributable to noncontrolling interests	0	0	0	0
Net income (loss) attributable to MCBC	46.9	216.8	399.4	500.2
Comprehensive income attributable to MCBC	317.0	449.2	377.0	794.2
Subsidiary Non-Guarantors
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Sales	451.3	428.4	1,098.3	651.0
Excise taxes	(93.0)	(88.9)	(235.7)	(132.4)
Net sales	358.3	339.5	862.6	518.6
Cost of goods sold	(210.2)	(222.2)	(576.2)	(397.4)
Gross profit	148.1	117.3	286.4	121.2
Marketing, general and administrative expenses	(105.9)	(73.7)	(280.0)	(136.9)
Special items, net	(153.7)	(28.6)	(154.5)	(39.0)
Equity income (loss) in subsidiaries	115.1	126.4	308.6	276.1
Equity income in MillerCoors	0	0	0	0
Operating income (loss)	3.6	141.4	160.5	221.4
Interest income (expense), net	(84.6)	(98.0)	(279.1)	(289.2)
Other income (expense), net	20.5	2.7	(4.5)	(53.2)
Income (loss) from continuing operations before income taxes	(60.5)	46.1	(123.1)	(121.0)
Income tax benefit (expense)	26.8	2.0	22.7	19.1
Net Income (loss) from continuing operations	(33.7)	48.1	(100.4)	(101.9)
Income (loss) from discontinued operations, net of tax	0.9	0.7	1.7	1.6
Net income (loss) including noncontrolling interests	(32.8)	48.8	(98.7)	(100.3)
Add back (less): Loss (net income) attributable to noncontrolling interests	(1.8)	(3.0)	(4.8)	3.5
Net income (loss) attributable to MCBC	(34.6)	45.8	(103.5)	(96.8)
Comprehensive income attributable to MCBC	106.9	140.3	(56.0)	35.2
Eliminations
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Sales	(70.5)	(61.1)	(170.2)	(159.5)
Excise taxes	0	0	0	0
Net sales	(70.5)	(61.1)	(170.2)	(159.5)
Cost of goods sold	41.9	51.5	126.1	132.6
Gross profit	(28.6)	(9.6)	(44.1)	(26.9)
Marketing, general and administrative expenses	28.6	9.6	44.1	26.9
Special items, net	0	0	0	0
Equity income (loss) in subsidiaries	(12.3)	(262.6)	(295.9)	(403.4)
Equity income in MillerCoors	0	0	0	0
Operating income (loss)	(12.3)	(262.6)	(295.9)	(403.4)
Interest income (expense), net	0	0	0	0
Other income (expense), net	0	0	0	0
Income (loss) from continuing operations before income taxes	(12.3)	(262.6)	(295.9)	(403.4)
Income tax benefit (expense)	0	0	0	0
Net Income (loss) from continuing operations	(12.3)	(262.6)	(295.9)	(403.4)
Income (loss) from discontinued operations, net of tax	0	0	0	0
Net income (loss) including noncontrolling interests	(12.3)	(262.6)	(295.9)	(403.4)
Add back (less): Loss (net income) attributable to noncontrolling interests	0	0	0	0
Net income (loss) attributable to MCBC	(12.3)	(262.6)	(295.9)	(403.4)
Comprehensive income attributable to MCBC	(423.9)	(589.5)	(321.0)	(829.4)
Consolidated [Member]
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Sales	1,665.4	1,685.8	4,509.9	4,134.8
Excise taxes	(494.2)	(490.3)	(1,332.2)	(1,248.5)
Net sales	1,171.2	1,195.5	3,177.7	2,886.3
Cost of goods sold	(670.0)	(687.0)	(1,901.2)	(1,705.9)
Gross profit	501.2	508.5	1,276.5	1,180.4
Marketing, general and administrative expenses	(307.8)	(300.6)	(897.4)	(853.6)
Special items, net	(163.0)	(35.9)	(165.8)	(58.6)
Equity income (loss) in subsidiaries	0	0	0	0
Equity income in MillerCoors	148.3	132.0	438.3	436.5
Operating income (loss)	178.7	304.0	651.6	704.7
Interest income (expense), net	(17.8)	(54.4)	(133.9)	(162.8)
Other income (expense), net	(5.5)	(6.4)	(8.5)	(78.3)
Income (loss) from continuing operations before income taxes	155.4	243.2	509.2	463.6
Income tax benefit (expense)	(32.7)	(42.5)	(70.3)	(85.7)
Net Income (loss) from continuing operations	122.7	200.7	438.9	377.9
Income (loss) from discontinued operations, net of tax	0.9	0.7	1.7	1.6
Net income (loss) including noncontrolling interests	123.6	201.4	440.6	379.5
Add back (less): Loss (net income) attributable to noncontrolling interests	(1.8)	(3.0)	(4.8)	3.5
Net income (loss) attributable to MCBC	121.8	198.4	435.8	383.0
Comprehensive income attributable to MCBC	$ 403.7	$ 461.7	$ 369.3	$ 708.0