Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Carrying Amounts of Identifiable Intangible Assets

The carrying amounts of identifiable intangible assets are summarized as follows:

(in millions)	Indefinite-lived			Finite-lived			Total
December 31, 2023	$	17,578		$	680		$	18,258
Acquisition(1)		—			37			37
Amortization and impairment expense		(50	)		(116	)		(166	)
Other		—			5			5
September 30, 2024	$	17,528		$	606		$	18,134

(1)In connection with the SpiderRock Transaction, the Company acquired approximately $29 million of finite-lived customer relationships and $8 million of finite-lived technology-related intangible assets with weighted-average estimated lives of approximately eleven and five years, respectively.