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Goodwill and other intangible assets (Tables) | 3 Months Ended
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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 adjustment | 6 |
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, 2023 |  | December 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 rights | 3,864 |  |  | (3,160) |  |  | 704 |  |  | 3,864 |  |  | (3,123) |  |  | 741 |
Marketing-related rights | 1,326 |  |  | (1,188) |  |  | 138 |  |  | 1,326 |  |  | (1,167) |  |  | 159 |
Research and development technology rights | 1,387 |  |  | (1,204) |  |  | 183 |  |  | 1,378 |  |  | (1,190) |  |  | 188 |
Total finite-lived intangible assets | 35,615 |  |  | (21,231) |  |  | 14,384 |  |  | 35,596 |  |  | (20,525) |  |  | 15,071 |
Indefinite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |
In-process research and development | 1,009 |  |  | — |  |  | 1,009 |  |  | 1,009 |  |  | — |  |  | 1,009 |
Total other intangible assets | $ | 36,624 |  |  | $ | (21,231) |  |  | $ | 15,393 |  |  | $ | 36,605 |  |  | $ | (20,525) |  |  | $ | 16,080 |

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