Goodwill and other intangible assets (Tables)

9 Months Ended

Sep. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill

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

	Nine months ended September 30, 2018
Beginning balance	$	14,761
Addition from K-A acquisition	6
Currency translation adjustment	(83		)
Ending balance	$	14,684

Schedule of identifiable intangible assets

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

	September 30, 2018							December 31, 2017
	Gross carrying amounts		Accumulated amortization			Intangible assets, net		Gross carrying amounts		Accumulated amortization			Intangible assets, net
Finite-lived intangible assets:
Developed-product-technology rights	$	12,586	$	(7,312	)	$	5,274	$	12,589	$	(6,796	)	$	5,793
Licensing rights	3,771		(1,921		)	1,850		3,275		(1,601		)	1,674
Marketing-related rights	1,285		(982		)	303		1,319		(920		)	399
R&D technology rights	1,159		(860		)	299		1,161		(804		)	357
Total finite-lived intangible assets	18,801		(11,075		)	7,726		18,344		(10,121		)	8,223
Indefinite-lived intangible assets:
In-process research and development	56		—			56		386		—			386
Total other intangible assets	$	18,857	$	(11,075	)	$	7,782	$	18,730	$	(10,121	)	$	8,609