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Goodwill and other intangible assets (Tables) | 3 Months Ended
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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 |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267 + Details
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