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Goodwill and other intangible assets (Identifiable Intangible Assets) (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross carrying amounts | $ 35,615 |  | $ 35,596
Accumulated amortization | (21,231) |  | (20,525)
Other intangible assets, net | 14,384 |  | 15,071
Gross carrying amount | 36,624 |  | 36,605
Accumulated amortization | (21,231) |  | (20,525)
Intangible assets, net | 15,393 |  | 16,080
Amortization charges associated with finite-lived intangible assets | 693 | $ 637 |
In-process research and development |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |
Indefinite-lived intangible assets: | 1,009 |  | 1,009
Developed-product-technology rights |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross carrying amounts | 29,038 |  | 29,028
Accumulated amortization | (15,679) |  | (15,045)
Other intangible assets, net | 13,359 |  | 13,983
Licensing rights |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross carrying amounts | 3,864 |  | 3,864
Accumulated amortization | (3,160) |  | (3,123)
Other intangible assets, net | 704 |  | 741
Marketing-related rights |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross carrying amounts | 1,326 |  | 1,326
Accumulated amortization | (1,188) |  | (1,167)
Other intangible assets, net | 138 |  | 159
Research and development technology rights |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross carrying amounts | 1,387 |  | 1,378
Accumulated amortization | (1,204) |  | (1,190)
Other intangible assets, net | $ 183 |  | $ 188

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(16)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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