Intangible Assets and Goodwill (Tables)

6 Months Ended

Jun. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible assets

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

		As of June 30, 2023						As of December 31, 2022
(In millions)	Estimated Life	Cost		Accumulated Amortization		Net		Cost		Accumulated Amortization		Net
Completed technology	4-28 years	$	7,444.7	$	(5,732.3)	$	1,712.4	$	7,415.3	$	(5,629.2)	$	1,786.1
Trademarks and trade names	Indefinite	64.0		—		64.0		64.0		—		64.0
Total intangible assets		$	7,508.7	$	(5,732.3)	$	1,776.4	$	7,479.3	$	(5,629.2)	$	1,850.1

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 June 30, 2023
2023 (remaining six months)	$	110.0
2024	200.0
2025	190.0
2026	175.0
2027	170.0
2028	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:

(In millions)	As of June 30, 2023
Goodwill, December 31, 2022	$	5,749.0
Other	4.7
Goodwill, June 30, 2023	$	5,753.7