Debt Instrument, Renewal Option, Term

No definition available.

Name:	tap_DebtInstrumentRenewalOptionTerm
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Period Type:	duration

- Definition

Equity Method Investments, Intercompany Transactions, Net Payables Due

+ References

No definition available.

+ Details

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Namespace Prefix:	tap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Guarantor Obligation, Percentage

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of Variable Interest Entities

+ References

No definition available.

+ Details

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
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Balance Type:	na
Period Type:	duration

- Definition

Fair value portion of guarantee, including, but not limited to, financial standby letter of credit, fair value guarantee, guarantee of collection of scheduled contractual cash flows from financial assets, and contracts that contingently require the guarantor to make payments or perform services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12201-110248

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 22
-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

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- Details

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- Details

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Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
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Data Type:	na
Balance Type:
Period Type:

- Details

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Investments Narrative (Details) $ in Millions	3 Months Ended
Investments Narrative (Details) $ in Millions	Jun. 30, 2015 CAD	Mar. 31, 2016 USD ($) VIE	Dec. 31, 2015 USD ($) VIE
Schedule of Equity Method Investments [Line Items]
Number of Variable Interest Entities with Debt \| VIE		0	0
Revolving credit facility, maximum borrowing capacity		$ 750.0
Guarantees, Fair Value Disclosure		30.4	$ 16.9
MillerCoors
Schedule of Equity Method Investments [Line Items]
Equity Method Investments, Intercompany Transactions, Net Payables Due		$ (8.3)	$ (7.6)
Brewers' Retail Inc. (BRI) [Member]
Schedule of Equity Method Investments [Line Items]
Guarantee obligation, percentage	45.90%
Brewers' Retail Inc. (BRI) [Member] \| Revolving credit facility [Member] \| Canadian Imperial Bank of Commerce (CIBC) [Member]
Schedule of Equity Method Investments [Line Items]
Revolving credit facility, maximum borrowing capacity \| CAD	CAD 150,000,000
Debt instrument, term	1 year
Revolving credit facility, renewal option, term	1 year