Description of Operations and Summary of Significant Accounting Policies (Details) $ in Billions	3 Months Ended
Mar. 31, 2024 USD ($) Customer
Description of Operations and Summary of Significant Accounting Policies
Number of customers \| Customer	3
Customer Concentration Risk \| Net Product Sales \| La Jolla [Member] \| Customer One
Description of Operations and Summary of Significant Accounting Policies
Concentration Risk, Percentage	36.00%
Customer Concentration Risk \| Net Product Sales \| La Jolla [Member] \| Customer Two
Description of Operations and Summary of Significant Accounting Policies
Concentration Risk, Percentage	26.00%
Customer Concentration Risk \| Net Product Sales \| La Jolla [Member] \| Customer Three
Description of Operations and Summary of Significant Accounting Policies
Concentration Risk, Percentage	24.00%
Customer Concentration Risk \| Receivables from Net Product Sales \| La Jolla [Member] \| Customer One
Description of Operations and Summary of Significant Accounting Policies
Concentration Risk, Percentage	37.00%
Customer Concentration Risk \| Receivables from Net Product Sales \| La Jolla [Member] \| Customer Two
Description of Operations and Summary of Significant Accounting Policies
Concentration Risk, Percentage	21.00%
Customer Concentration Risk \| Receivables from Net Product Sales \| La Jolla [Member] \| Customer Three
Description of Operations and Summary of Significant Accounting Policies
Concentration Risk, Percentage	12.00%
Sarissa Capital
Description of Operations and Summary of Significant Accounting Policies
Percentage of common stock owned by a related party	11.60%
Long-Acting Beta2 Agonist (LABA) Collaboration \| GSK \| RELVAR/BREO
Description of Operations and Summary of Significant Accounting Policies
Royalty rate for first level of annual global net sales (as a percent)	15.00%
Annual global sales level used to determine royalty rate \| $	$ 3.0
Royalty rate for sales above first level of annual global net sales (as a percent)	5.00%
Long-Acting Beta2 Agonist (LABA) Collaboration \| GSK \| ANORO \| Minimum
Description of Operations and Summary of Significant Accounting Policies
Royalty rate for combination products (as a percent)	6.50%
Long-Acting Beta2 Agonist (LABA) Collaboration \| GSK \| ANORO \| Maximum
Description of Operations and Summary of Significant Accounting Policies
Royalty rate for combination products (as a percent)	10.00%

Represents the royalty rate for combination products.

No definition available.

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- Definition

Represents the royalty rate which the entity will receive under the collaboration agreement on the first defined level of annual global net sales.

+ References

No definition available.

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Represents the royalty rate which the entity will receive under the collaboration agreement on sales which exceed the first defined level of annual global net sales.

+ References

No definition available.

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- Definition

Represents the annual global net sales amount which determines the royalty rate applied under the collaboration arrangement.

+ References

No definition available.

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- Definition

Number of customers.

+ References

No definition available.

+ Details

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- Definition

The percentage of ownership of common stock in the reporting entity owned by related parties.

+ References

No definition available.

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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

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-42

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482907/825-10-50-21

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482907/825-10-50-20

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482861/275-10-50-18

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482861/275-10-50-20

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