Intangible Assets and Goodwill (Tables)

3 Months Ended

Mar. 31, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible assets

Intangible assets, net of accumulated amortization, impairment charges and adjustments are summarized as follows:

		As of March 31, 2025						As of December 31, 2024
(In millions)	Estimated Life	Cost		Accumulated Amortization		Net		Cost		Accumulated Amortization		Net
Completed technology	2-31 years	$	14,103.6	$	(6,325.9)	$	7,777.7	$	14,138.4	$	(6,254.1)	$	7,884.3
In-process research and development	Indefinite until commercialization	1,642.9		—		1,642.9		1,642.9		—		1,642.9
Priority review voucher	Indefinite	100.0		—		100.0		100.0		—		100.0
Trademarks and trade names	Indefinite	64.0		—		64.0		64.0		—		64.0
Total intangible assets		$	15,910.5	$	(6,325.9)	$	9,584.6	$	15,945.3	$	(6,254.1)	$	9,691.2

Estimated future amortization for acquired intangible assets

The estimated future amortization of finite-lived intangible assets for the next five years is expected to be as follows:

(In millions)	As of March 31, 2025
2025 (remaining nine months)	$	350.0
2026	560.0
2027	600.0
2028	630.0
2029	665.0
2030	700.0

Summary of roll forward of the changes in goodwill

The following table provides a roll forward of the changes in our goodwill balance:

(In millions)	As of March 31, 2025
Goodwill, December 31, 2024	$	6,478.9
Goodwill resulting from HI-Bio acquisition(1)	(5.1)
Other	3.3
Goodwill, March 31, 2025	$	6,477.1

(1) Goodwill resulting from HI-Bio acquisition for the three months ended March 31, 2025, relates to HI-Bio measurement period adjustments recognized during the first quarter of 2025 related to certain income tax adjustments. For additional information on our acquisition of HI-Bio, please read Note 2, Acquisitions, to these condensed consolidated financial statements.