Goodwill and Other Intangibles (Tables)

12 Months Ended

Dec. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill Activity by Segment

The following table summarizes goodwill activity by segment:

	Pharmaceutical		Animal Health		Total
Balance January 1, 2023	$	17,936	$	3,268	$	21,204
Other (1)	(14)		7		(7)
Balance December 31, 2023 (2)	17,922		3,275		21,197
Acquisitions	—		518		518
Other (1)	(19)		(28)		(47)
Balance December 31, 2024 (2)	$	17,903	$	3,765	$	21,668

(1)    Includes cumulative translation adjustments on goodwill balances.

(2)    Accumulated goodwill impairment losses were $531 million at both December 31, 2024 and 2023.

Other Intangibles

Other acquired intangibles at December 31 consisted of:

	2024						2023
	Gross Carrying Amount		Accumulated Amortization		Net		Gross Carrying Amount		Accumulated Amortization		Net
Product rights	$	29,988	$	19,066	$	10,922	$	23,643	$	17,765	$	5,878
IPR&D	430		—		430		6,816		—		6,816
Trade names	2,881		954		1,927		2,881		776		2,105
Licenses and other	8,863		5,772		3,091		8,263		5,051		3,212
	$	42,162	$	25,792	$	16,370	$	41,603	$	23,592	$	18,011