Stock-Based Compensation - Summary of weighted-average assumptions used to calculate estimated value of stock options (Details) - Stock options - Innoviva [Member] - $ / shares	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Valuation Assumptions
Volatility	36.00%	38.00%
Weighted-average
Valuation Assumptions
Dividend yield	0.00%	0.00%	0.00%	0.00%
Minimum
Valuation Assumptions
Risk-free interest rate	4.30%	3.50%	4.10%	3.50%
Expected term (in years)	5 years 25 days	5 years 6 months	5 years 25 days	5 years 1 month 28 days
Volatility			36.00%	38.00%
Weighted-average estimated fair value of stock options granted	$ 6.21	$ 5.22	$ 4.97	$ 5.22
Maximum
Valuation Assumptions
Risk-free interest rate	4.60%	3.76%	4.60%	4.00%
Expected term (in years)	6 years 1 month 17 days	6 years 1 month 28 days	6 years 1 month 24 days	6 years 1 month 28 days
Volatility			36.80%	38.50%
Weighted-average estimated fair value of stock options granted	$ 6.71	$ 5.64	$ 6.93	$ 5.64

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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
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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)
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-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
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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
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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