Supplemental Guarantor Information Balance Sheet (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017
Condensed financial statements
Other Assets, Noncurrent	$ 903.3	$ 698.0
Current assets:
Cash and cash equivalents	234.4	1,057.9	$ 197.9	$ 418.6
Accounts receivable, net	909.5	744.4
Other receivables, net	141.6	126.6
Total inventories, net	687.9	591.8
Other current assets, net	364.6	245.6
Total current assets	2,338.0	2,766.3
Properties, net	4,553.3	4,608.3
Goodwill	8,279.4	8,260.8
Other intangibles, net	13,749.6	13,776.4
Total assets	29,823.6	30,109.8
Accounts payable and other current liabilities	2,561.3	2,706.4
Current liabilities:
Current portion of long-term debt and short-term borrowings	1,641.1	1,594.5
Total current liabilities	4,202.4	4,300.9
Long-term debt	8,484.8	8,893.8
Pension and postretirement benefits	726.9	726.6
Deferred tax liabilities	2,151.5	2,128.9
Other Liabilities, Noncurrent	369.9	323.8
Total liabilities	15,935.5	16,374.0
MCBC stockholders' equity	13,647.3	13,507.4
Noncontrolling interests	240.8	228.4
Total equity	13,888.1	13,735.8	13,415.8	13,187.3
Total liabilities and equity	29,823.6	30,109.8
Consolidation, Eliminations [Member]
Condensed financial statements
Other Assets, Noncurrent	(91.1)	(91.1)
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	(2,679.8)	(2,397.0)
Total current assets	(2,679.8)	(2,397.0)
Properties, net	0.0	0.0
Goodwill	0.0	0.0
Other intangibles, net	0.0	0.0
Net investment in and advances to subsidiaries	(34,172.5)	(33,947.9)
Total assets	(36,943.4)	(36,436.0)
Accounts payable and other current liabilities	0.0	0.0
Current liabilities:
Current portion of long-term debt and short-term borrowings	0.0	0.0
Intercompany accounts payable	(2,679.8)	(2,397.0)
Total current liabilities	(2,679.8)	(2,397.0)
Long-term debt	0.0	0.0
Pension and postretirement benefits	0.0	0.0
Deferred tax liabilities	(91.1)	(91.1)
Other Liabilities, Noncurrent	0.0	0.0
Intercompany notes payable	(7,399.1)	(7,409.8)
Total liabilities	(10,170.0)	(9,897.9)
MCBC stockholders' equity	(34,172.5)	(33,947.9)
Intercompany notes receivable	7,399.1	7,409.8
Total stockholders' equity	(26,773.4)	(26,538.1)
Noncontrolling interests	0.0	0.0
Total equity	(26,773.4)	(26,538.1)
Total liabilities and equity	(36,943.4)	(36,436.0)
Parent Company [Member]
Condensed financial statements
Other Assets, Noncurrent	139.6	159.9
Current assets:
Cash and cash equivalents	11.7	515.8	10.0	6.6
Accounts receivable, net	0.0	0.0
Other receivables, net	47.9	50.0
Total inventories, net	0.0	0.0
Other current assets, net	49.2	3.0
Intercompany accounts receivable	0.0	0.0
Total current assets	108.8	568.8
Properties, net	16.1	19.0
Goodwill	0.0	0.0
Other intangibles, net	5.5	6.0
Net investment in and advances to subsidiaries	25,765.0	25,475.0
Total assets	26,035.0	26,228.7
Accounts payable and other current liabilities	121.8	170.8
Current liabilities:
Current portion of long-term debt and short-term borrowings	1,602.4	1,572.6
Intercompany accounts payable	1,989.0	1,836.5
Total current liabilities	3,713.2	3,579.9
Long-term debt	7,248.7	7,765.6
Pension and postretirement benefits	3.3	3.2
Deferred tax liabilities	0.0	0.0
Other Liabilities, Noncurrent	75.9	26.0
Intercompany notes payable	1,347.6	1,347.6
Total liabilities	12,388.7	12,722.3
MCBC stockholders' equity	13,647.3	13,507.4
Intercompany notes receivable	(1.0)	(1.0)
Total stockholders' equity	13,646.3	13,506.4
Noncontrolling interests	0.0	0.0
Total equity	13,646.3	13,506.4
Total liabilities and equity	26,035.0	26,228.7
Subsidiary Guarantors [Member]
Condensed financial statements
Other Assets, Noncurrent	337.1	193.2
Current assets:
Cash and cash equivalents	26.5	156.1	26.5	140.9
Accounts receivable, net	556.5	427.3
Other receivables, net	61.3	48.3
Total inventories, net	501.8	451.6
Other current assets, net	216.7	157.2
Intercompany accounts receivable	2,628.2	2,366.0
Total current assets	3,991.0	3,606.5
Properties, net	3,361.7	3,427.5
Goodwill	6,455.1	6,444.0
Other intangibles, net	11,810.5	11,800.0
Net investment in and advances to subsidiaries	3,727.6	3,893.2
Total assets	29,683.0	29,364.4
Accounts payable and other current liabilities	1,627.7	1,651.0
Current liabilities:
Current portion of long-term debt and short-term borrowings	1.4	0.0
Intercompany accounts payable	139.1	120.9
Total current liabilities	1,768.2	1,771.9
Long-term debt	1,160.8	1,097.4
Pension and postretirement benefits	711.3	711.2
Deferred tax liabilities	1,476.0	1,461.1
Other Liabilities, Noncurrent	208.6	199.3
Intercompany notes payable	29.4	63.6
Total liabilities	5,354.3	5,304.5
MCBC stockholders' equity	30,349.8	30,057.5
Intercompany notes receivable	(6,021.1)	(5,997.6)
Total stockholders' equity	24,328.7	24,059.9
Noncontrolling interests	0.0	0.0
Total equity	24,328.7	24,059.9
Total liabilities and equity	29,683.0	29,364.4
Subsidiary Non Guarantors [Member]
Condensed financial statements
Other Assets, Noncurrent	517.7	436.0
Current assets:
Cash and cash equivalents	196.2	386.0	161.4	271.1
Accounts receivable, net	353.0	317.1
Other receivables, net	32.4	28.3
Total inventories, net	186.1	140.2
Other current assets, net	98.7	85.4
Intercompany accounts receivable	51.6	31.0
Total current assets	918.0	988.0
Properties, net	1,175.5	1,161.8
Goodwill	1,824.3	1,816.8
Other intangibles, net	1,933.6	1,970.4
Net investment in and advances to subsidiaries	4,679.9	4,579.7
Total assets	11,049.0	10,952.7
Accounts payable and other current liabilities	811.8	884.6
Current liabilities:
Current portion of long-term debt and short-term borrowings	37.3	21.9
Intercompany accounts payable	551.7	439.6
Total current liabilities	1,400.8	1,346.1
Long-term debt	75.3	30.8
Pension and postretirement benefits	12.3	12.2
Deferred tax liabilities	766.6	758.9
Other Liabilities, Noncurrent	85.4	98.5
Intercompany notes payable	6,022.1	5,998.6
Total liabilities	8,362.5	8,245.1
MCBC stockholders' equity	3,822.7	3,890.4
Intercompany notes receivable	(1,377.0)	(1,411.2)
Total stockholders' equity	2,445.7	2,479.2
Noncontrolling interests	240.8	228.4
Total equity	2,686.5	2,707.6
Total liabilities and equity	11,049.0	10,952.7
Consolidated [Member]
Condensed financial statements
Other Assets, Noncurrent	903.3	698.0
Current assets:
Cash and cash equivalents	234.4	1,057.9	$ 197.9	$ 418.6
Accounts receivable, net	909.5	744.4
Other receivables, net	141.6	126.6
Total inventories, net	687.9	591.8
Other current assets, net	364.6	245.6
Intercompany accounts receivable	0.0	0.0
Total current assets	2,338.0	2,766.3
Properties, net	4,553.3	4,608.3
Goodwill	8,279.4	8,260.8
Other intangibles, net	13,749.6	13,776.4
Net investment in and advances to subsidiaries	0.0	0.0
Total assets	29,823.6	30,109.8
Accounts payable and other current liabilities	2,561.3	2,706.4
Current liabilities:
Current portion of long-term debt and short-term borrowings	1,641.1	1,594.5
Intercompany accounts payable	0.0	0.0
Total current liabilities	4,202.4	4,300.9
Long-term debt	8,484.8	8,893.8
Pension and postretirement benefits	726.9	726.6
Deferred tax liabilities	2,151.5	2,128.9
Other Liabilities, Noncurrent	369.9	323.8
Intercompany notes payable	0.0	0.0
Total liabilities	15,935.5	16,374.0
MCBC stockholders' equity	13,647.3	13,507.4
Intercompany notes receivable	0.0	0.0
Total stockholders' equity	13,647.3	13,507.4
Noncontrolling interests	240.8	228.4
Total equity	13,888.1	13,735.8
Total liabilities and equity	$ 29,823.6	$ 30,109.8