Financial Instruments and Fair Value Measures - Significant Level 3 Unobservable Inputs (Details)		Sep. 30, 2023	Dec. 31, 2022
Weighted average | Discount rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Significant unobservable input for contingent consideration	[1]	0.055	0.048
Weighted average | Probability of payment for unachieved milestones
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Significant unobservable input for contingent consideration	[1]	1	1
Weighted average | Probability of payment for royalties by indication
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Significant unobservable input for contingent consideration	[1],[2]	0.99	0.99
Weighted average | Projected year of payments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Significant unobservable input for contingent consideration	[1]	2,027	2,028
Minimum | Discount rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Significant unobservable input for contingent consideration		0.053	0.047
Minimum | Probability of payment for unachieved milestones
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Significant unobservable input for contingent consideration		1	1
Minimum | Probability of payment for royalties by indication
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Significant unobservable input for contingent consideration	[2]	0.89	0.56
Minimum | Projected year of payments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Significant unobservable input for contingent consideration		2,023	2,023
Minimum | Probability of payment for royalties excluding approved indications
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Significant unobservable input for contingent consideration		0.89	0.56
Maximum | Discount rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Significant unobservable input for contingent consideration		0.061	0.051
Maximum | Probability of payment for unachieved milestones
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Significant unobservable input for contingent consideration		1	1
Maximum | Probability of payment for royalties by indication
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Significant unobservable input for contingent consideration	[2]	1	1
Maximum | Projected year of payments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Significant unobservable input for contingent consideration		2,034	2,034
Maximum | Probability of payment for royalties excluding approved indications
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Significant unobservable input for contingent consideration		0.89	0.56

[1] (a) Unobservable inputs were weighted by the relative fair value of the contingent consideration liabilities.

[2] (b) Excluding approved indications, the estimated probability of payment was 89% at September 30, 2023 and 56% at December 31, 2022.