Percentage Of Fair Value Exceeding Carrying Value

No definition available.

Name:	tap_PercentageOfFairValueExceedingCarryingValue
Namespace Prefix:	tap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Proceeds From Collection of Termination Fees

+ References

No definition available.

+ Details

Name:	tap_ProceedsFromCollectionofTerminationFees
Namespace Prefix:	tap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount, after allowance, receivable from customers, clients, or other third-parties, and receivables classified as other due within one year or the normal operating cycle, if longer.

+ References

No definition available.

+ Details

Name:	us-gaap_AccountsAndOtherReceivablesNetCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.P.3)
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

+ Details

Name:	us-gaap_BusinessExitCosts1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

+ Details

Name:	us-gaap_GainLossOnContractTermination
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The loss recognized on termination of a contract.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 912
-SubTopic 275
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=68065670&loc=d3e54681-109401

+ Details

Name:	us-gaap_LossOnContractTermination
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of positions eliminated during the period as a result of restructuring activities.

+ References

No definition available.

+ Details

Name:	us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of accelerated depreciation charged against earnings associated with exit from or disposal of business activities or restructuring plan.

+ References

No definition available.

+ Details

Name:	us-gaap_RestructuringReserveAcceleratedDepreciation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of restructuring charges, remediation cost, and asset impairment loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

Name:	us-gaap_RestructuringSettlementAndImpairmentProvisions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of gain recognized in the income statement for an event or transaction that is unusual in nature or infrequent in occurrence, or both.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 20
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=64828382&loc=d3e15138-107781

+ Details

Name:	us-gaap_UnusualOrInfrequentItemGainGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of insurance proceeds for an event or transaction that is unusual in nature or infrequent in occurrence, or both.

+ References

+ Details

Name:	us-gaap_UnusualOrInfrequentItemInsuranceProceeds
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_UnusualOrInfrequentItemLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=country_CA
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_UnusualOrInfrequentItemAxis=tap_SaleofAssetMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_UnusualOrInfrequentItemAxis=tap_AssetAbandonmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=us-gaap_EuropeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_UnusualOrInfrequentItemAxis=tap_FloodInsuranceReimbursementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_UnusualOrInfrequentItemAxis=tap_TerminationFeesandOtherGainsLossesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=tap_MciMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=tap_HeinekenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=tap_BurtonSouthMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=tap_PlovdivMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=tap_TorontoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=tap_VancouverMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=us-gaap_EuropeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=tap_AltonBreweryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=country_CN
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RestructuringCostAndReserveAxis=us-gaap_OtherRestructuringMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RestructuringCostAndReserveAxis=us-gaap_FacilityClosingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Special Items Special Items Recorded By Segment (Narrative) (Details) £ in Millions, CAD in Millions, $ in Millions	1 Months Ended	12 Months Ended							24 Months Ended	48 Months Ended
	Dec. 31, 2013 GBP (£)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($) employee	Dec. 31, 2015 GBP (£) employee	Dec. 31, 2014 USD ($) employee	Dec. 31, 2014 GBP (£) employee	Dec. 31, 2013 employee	Dec. 29, 2012 employee	Dec. 31, 2015 USD ($) employee	Dec. 31, 2015 USD ($) employee	Mar. 31, 2016 USD ($)	Mar. 31, 2016 CAD
Unusual or Infrequent Item [Line Items]
Accelerated depreciation		$ 12.4	$ 49.4		$ 4.0
Restructuring, Settlement and Impairment Provisions		(2,523.9)	346.7		324.4
Accounts and Other Receivables, Net, Current		$ 669.5	424.7						$ 424.7	$ 424.7	$ 140.8	CAD 183.1
Canada
Unusual or Infrequent Item [Line Items]
Percentage Of Fair Value Exceeding Carrying Value		29.00%
Canada \| Sale of Asset [Member]
Unusual or Infrequent Item [Line Items]
Unusual or Infrequent Item, Gain, Gross		$ (110.4)	0.0		0.0
Canada \| Asset Abandonment [Member]
Unusual or Infrequent Item [Line Items]
Accelerated depreciation		4.9	1.2
Restructuring, Settlement and Impairment Provisions		$ 5.0	25.1		0.0
Europe [Member]
Unusual or Infrequent Item [Line Items]
Percentage Of Fair Value Exceeding Carrying Value		14.00%
Europe [Member] \| Asset Abandonment [Member]
Unusual or Infrequent Item [Line Items]
Restructuring, Settlement and Impairment Provisions		$ 10.8	27.5		4.0
Europe [Member] \| Flood Insurance Reimbursement [Member]
Unusual or Infrequent Item [Line Items]
Unusual or Infrequent Item, Insurance Proceeds		9.3
Europe [Member] \| Termination Fees and Other (Gains)/Losses [Member]
Unusual or Infrequent Item [Line Items]
Restructuring, Settlement and Impairment Provisions		0.0	10.0		0.0
MCI [Member] \| Asset Abandonment [Member]
Unusual or Infrequent Item [Line Items]
Accelerated depreciation			0.7
Heineken [Member]
Unusual or Infrequent Item [Line Items]
Gain (Loss) on Contract Termination \| £	£ 13.0
Proceeds From Collection of Termination Fees \| £				£ 8.0		£ 5.0
Burton South [Member] \| Europe [Member]
Unusual or Infrequent Item [Line Items]
Business Exit Costs		8.5
Accelerated depreciation		7.5	1.4
Plovdiv [Member] \| Europe [Member]
Unusual or Infrequent Item [Line Items]
Business Exit Costs		1.8	2.1
Accelerated depreciation			1.0
Toronto [Member] \| Canada \| Asset Abandonment [Member]
Unusual or Infrequent Item [Line Items]
Accelerated depreciation			7.9
Vancouver [Member] \| Canada \| Asset Abandonment [Member]
Unusual or Infrequent Item [Line Items]
Accelerated depreciation			15.4
Europe [Member]
Unusual or Infrequent Item [Line Items]
Loss on Contract Termination			29.4	£ 19.0
Europe [Member] \| Heineken [Member]
Unusual or Infrequent Item [Line Items]
Proceeds From Collection of Termination Fees			19.4
Alton Brewery [Member] \| Europe [Member]
Unusual or Infrequent Item [Line Items]
Business Exit Costs		$ 0.5	24.0
Accelerated depreciation			$ 21.8		$ 4.0
CHINA
Unusual or Infrequent Item [Line Items]
Number of positions eliminated \| employee			125	125
Reduction of labor and general overhead costs
Unusual or Infrequent Item [Line Items]
Number of positions eliminated \| employee					160	160	310	600		1,070
Closing of brewing facility
Unusual or Infrequent Item [Line Items]
Number of positions eliminated \| employee			329	329	72	72			401