Share-Based Compensation - Innoviva's Equity Plans (Details)	Jun. 02, 2014 plan
Share-Based Compensation
Number of plans	3
2012 Equity Incentive Plan
Share-Based Compensation
Number of plans	1
2012 Equity Incentive Plan \| Options
Share-Based Compensation
Term (in years)	10 years
Vesting period	4 years
Period of forfeiture of unvested option upon termination of service	3 months
Vesting after one year \| 2012 Equity Incentive Plan \| Options
Share-Based Compensation
Vesting of RSU (as a percent)	25.00%
Monthly vesting over the remaining three years \| 2012 Equity Incentive Plan \| Options
Share-Based Compensation
Vesting of RSU (as a percent)	75.00%

Represents the period upon termination of service when forfeiture of equity awards occurs.

No definition available.

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- Definition

Represents the number of equity-based compensation plans of the entity.

+ References

No definition available.

+ Details

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- 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.

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- Definition

Percentage of vesting of award under share-based payment arrangement.

+ References

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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