GOODWILL AND OTHER INTANGIBLE ASSETS

3 Months Ended

Mar. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

The changes in the carrying amounts in Goodwill were as follows:


Dollars in millions
Balance at December 31, 2023	$	21,169
Acquisitions (Note 4)	580
Currency translation and other adjustments	(11)
Balance at March 31, 2024	$	21,738

Other Intangible Assets

Other intangible assets consisted of the following:


	Estimated Useful Lives	March 31, 2024						December 31, 2023
Dollars in millions		Gross carrying amounts		Accumulated amortization		Other intangible assets, net		Gross carrying amounts		Accumulated amortization		Other intangible assets, net

R&D technology(a)	6 years	$	1,980	$	(28)	$	1,952	$	—	$	—	$	—
Acquired marketed product rights(a)	3 – 15 years	63,871		(42,514)		21,357		63,076		(40,184)		22,892
Capitalized software	3 – 10 years	1,545		(1,059)		486		1,497		(1,027)		470
IPRD(a)		8,965		—		8,965		3,710		—		3,710
Total		$	76,361	$	(43,601)	$	32,760	$	68,283	$	(41,211)	$	27,072

(a) Includes assets acquired in connection with Mirati and RayzeBio acquisitions, as further described in "—Note 4. Acquisitions, Divestitures, Licensing and Other Arrangements."

Amortization expense of Other intangible assets was $2.4 billion and $2.3 billion during the three months ended March 31, 2024 and 2023, respectively.

An IPRD impairment charge of $20 million was included in Research and development expenses during the three months ended March 31, 2023.