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Goodwill and other intangible assets (Tables)
 3 Months Ended
Mar. 31, 2023
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, 2023
Beginning balance$15,529 
Adjustments to goodwill resulting from acquisitions and divestitures, net(1)
(4)
Currency translation adjustment6 
Ending balance$15,531 
____________
(1)     For the three months ended March 31, 2023, adjustments to goodwill consisted of a measurement period adjustment related to our acquisition of ChemoCentryx. See Note 3, Acquisitions and divestitures.
Schedule of identifiable intangible assets
Other intangible assets consisted of the following (in millions):
 March 31, 2023December 31, 2022
 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$29,038 $(15,679)$13,359 $29,028 $(15,045)$13,983 
Licensing rights3,864 (3,160)704 3,864 (3,123)741 
Marketing-related rights1,326 (1,188)138 1,326 (1,167)159 
Research and development technology rights1,387 (1,204)183 1,378 (1,190)188 
Total finite-lived intangible assets35,615 (21,231)14,384 35,596 (20,525)15,071 
Indefinite-lived intangible assets:
In-process research and development1,009 — 1,009 1,009 — 1,009 
Total other intangible assets$36,624 $(21,231)$15,393 $36,605 $(20,525)$16,080