Goodwill and other intangible assets (Tables)

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill

The change in the carrying amount of goodwill was as follows (in millions):

	Three months ended March 31, 2020
Beginning balance	$	14,703
Currency translation adjustment	(20		)
Ending balance	$	14,683

Schedule of identifiable intangible assets

Other intangible assets consisted of the following (in millions):

	March 31, 2020							December 31, 2019
	Gross carrying amounts		Accumulated amortization			Other intangible assets, net		Gross carrying amounts		Accumulated amortization			Other intangible assets, net
Finite-lived intangible assets:
Developed-product-technology rights	$	25,549	$	(8,876	)	$	16,673	$	25,575	$	(8,322	)	$	17,253
Licensing rights	3,746		(2,494		)	1,252		3,761		(2,398		)	1,363
Marketing-related rights	1,375		(979		)	396		1,382		(965		)	417
Research and development technology rights	1,269		(967		)	302		1,273		(947		)	326
Total finite-lived intangible assets	31,939		(13,316		)	18,623		31,991		(12,632		)	19,359
Indefinite-lived intangible assets:
In-process research and development	30		—			30		54		—			54
Total other intangible assets	$	31,969	$	(13,316	)	$	18,653	$	32,045	$	(12,632	)	$	19,413