Intangible Assets and Goodwill (Tables)

12 Months Ended

Dec. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible assets

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

		As of December 31, 2022						As of December 31, 2021
(In millions)	Estimated Life	Cost		Accumulated Amortization		Net		Cost		Accumulated Amortization		Net
Completed technology	4-28 years	$	7,415.3	$	(5,629.2)	$	1,786.1	$	7,413.1	$	(5,388.5)	$	2,024.6
In-process research and development	Indefinite until commercialization	—		—		—		132.7		—		132.7
Trademarks and trade names	Indefinite	64.0		—		64.0		64.0		—		64.0
Total intangible assets		$	7,479.3	$	(5,629.2)	$	1,850.1	$	7,609.8	$	(5,388.5)	$	2,221.3

Estimated future amortization of 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 December 31, 2022
2023	$	215.0
2024	195.0
2025	190.0
2026	175.0
2027	165.0

Summary of roll forward of the changes in goodwill

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

	As of December 31,
(In millions)	2022		2021
Goodwill, beginning of year	$	5,761.1	$	5,762.1
Other	(12.1)		(1.0)
Goodwill, end of year	$	5,749.0	$	5,761.1