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Stock-Based Compensation - Valuation Assumptions (Details) - Employee Stock Option - Innoviva [Member] - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Valuation Assumptions
Risk-free interest rate	3.90%	4.15%
Expected term (in years)		6 years 1 month 20 days
Volatility		35.80%
Weighted-average estimated fair value of shares granted (in dollars per share)		$ 7.76
Weighted-average
Valuation Assumptions
Dividend yield	0.00%	0.00%	0.00%	0.00%
Minimum
Valuation Assumptions
Risk-free interest rate			3.90%	4.14%
Expected term (in years)	5 years 10 months 17 days		5 years 6 months	5 years 25 days
Volatility	33.60%		33.60%	35.80%
Weighted-average estimated fair value of shares granted (in dollars per share)	$ 7.32		$ 7.17	$ 4.97
Maximum
Valuation Assumptions
Risk-free interest rate			4.40%	4.65%
Expected term (in years)	6 years 1 month 17 days		6 years 1 month 20 days	6 years 1 month 24 days
Volatility	33.80%		34.90%	36.80%
Weighted-average estimated fair value of shares granted (in dollars per share)	$ 7.52		$ 7.92	$ 7.76

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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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- Definition

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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- Definition

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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- Definition

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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