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Stock-Based Compensation - Summary of weighted-average assumptions used to calculate estimated value of stock options (Details) - Employee Stock Option - Innoviva [Member] - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Valuation Assumptions
Risk-free interest rate	4.15%
Expected term (in years)	6 years 1 month 20 days
Volatility	35.80%
Weighted-average estimated fair value of stock options granted	$ 7.76
Weighted-average
Valuation Assumptions
Dividend yield	0.00%	0.00%	0.00%	0.00%
Minimum
Valuation Assumptions
Risk-free interest rate		4.13%	4.14%	3.50%
Expected term (in years)		6 years 3 days	5 years 25 days	5 years 1 month 28 days
Volatility		37.30%	35.80%	37.30%
Weighted-average estimated fair value of stock options granted		$ 5.66	$ 4.97	$ 5.22
Maximum
Valuation Assumptions
Risk-free interest rate		4.21%	4.65%	4.21%
Expected term (in years)		6 years 2 months 19 days	6 years 1 month 24 days	6 years 2 months 19 days
Volatility		37.80%	36.80%	38.50%
Weighted-average estimated fair value of stock options granted		$ 5.97	$ 7.76	$ 5.97

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(iii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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The risk-free interest rate assumption that is used in valuing an option on its own shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(iv)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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Rate of weighted-average expected volatility for award under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(ii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (d)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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