Collaboration revenue attributable to Ex-U.S XTANDI net sales.

No definition available.

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- Definition

Commercialization cost sharing payments income (expense) under collaboration agreement.

+ References

No definition available.

+ Details

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- Definition

Development cost sharing payments income (expense) under collaboration agreement.

+ References

No definition available.

+ Details

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- Definition

Percentage of net sales of XTANDI in the United States, pursuant to collaboration agreement.

+ References

No definition available.

+ Details

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- Definition

Percentage of all Sublicensing Income, as defined in agreement, payable to licensor.

+ References

No definition available.

+ Details

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- Definition

Share percentage of ex-U.S. development and commercialization cost under collaboration arrangement.

+ References

No definition available.

+ Details

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- Definition

Share percentage of U.S. development and commercialization cost under collaboration arrangement.

+ References

No definition available.

+ Details

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- Definition

The carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 605

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 13.A.4(a).Q1)

-URI http://asc.fasb.org/extlink&oid=27012821&loc=d3e214044-122780

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section 45

-Paragraph 8

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6935-107765

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 13

-Section A

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Collaboration Agreement - Collaboration Revenue and Collaboration Receivables - Additional Information (Detail) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Percentage of sublicensing income	10.00%mdvn_PercentageOfSublicensingIncome
Collaboration revenue percentage compared to U.S. XTANDI net sales	50.00%	50.00%
Collaboration revenue related to ex-U.S. XTANDI net sales	$ 15,800,000	$ 5,700,000
Deferred revenue, Current	1,411,000us-gaap_DeferredRevenueCurrent		2,822,000us-gaap_DeferredRevenueCurrent
Collaborative agreement [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Deferred revenue, Current	1,400,000		2,800,000
Development cost-sharing payments [Member] \| Collaborative agreement [Member] \| Medivation Inc [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Share of developing and commercializing XTANDI U.S.	50.00%
Share of developing and commercializing XTANDI ex-U.S.	33.33%
Development cost-sharing payments [Member] \| Astellas Pharma Inc. [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Development cost-sharing payments	13,800,000	15,900,000
Commercial cost sharing-payments [Member] \| Astellas Pharma Inc. [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Commercialization cost-sharing payments	$ 20,100,000	$ 7,600,000
Commercial cost sharing-payments [Member] \| Astellas Pharma Inc. [Member] \| Collaborative agreement [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Share of developing and commercializing XTANDI U.S.	50.00%
Share of developing and commercializing XTANDI ex-U.S.	66.67%