Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets, Net

“Other intangible assets, net” consisted of the following:

		As of December 31, 2024						As of December 31, 2023
	Estimated Useful lives	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
		(in millions, except useful lives)
In-process research and development	Indefinite	$	603.6	$	—	$	603.6	$	603.6	$	—	$	603.6
Finite-lived intangible assets - marketed products	10 to 12 yrs.	238.0		(21.9)		216.1		238.0		(1.7)		236.3
Finite-lived intangible assets - assembled workforce	3 yrs.	7.7		(1.5)		6.2		—		—		$	—
Total other intangible assets, net		$	849.3	$	(23.4)	$	825.9	$	841.6	$	(1.7)	$	839.9

Schedule of Indefinite-Lived Intangible Assets

“Other intangible assets, net” consisted of the following:

		As of December 31, 2024						As of December 31, 2023
	Estimated Useful lives	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
		(in millions, except useful lives)
In-process research and development	Indefinite	$	603.6	$	—	$	603.6	$	603.6	$	—	$	603.6
Finite-lived intangible assets - marketed products	10 to 12 yrs.	238.0		(21.9)		216.1		238.0		(1.7)		236.3
Finite-lived intangible assets - assembled workforce	3 yrs.	7.7		(1.5)		6.2		—		—		$	—
Total other intangible assets, net		$	849.3	$	(23.4)	$	825.9	$	841.6	$	(1.7)	$	839.9

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

As of December 31, 2024, the estimated future amortization of our finite-lived intangible assets was as follows:

Year	Estimated Amortization Expense
	(in millions)
2025	$	22.7
2026	$	22.7
2027	$	21.3
2028	$	20.2
2029	$	20.2