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Acquisitions - (Tables) | 12 Months Ended
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Dec. 31, 2019
Business Combinations [Abstract] |
Schedule of Business Acquisitions, by Acquisition | The following table summarizes the consideration transferred and the allocation of the estimated accumulated cost, including tax adjustments, to the assets acquired and liabilities assumed (in millions):
|  | Amounts
Cash purchase price |  | $ | 13,400 |
Transaction costs |  | 40 |
Accumulated cost (consideration transferred) |  | $ | 13,440 |
Intangible assets: |  |
Developed-product-technology rights |  | $ | 13,007 |
Marketing-related rights |  | 195 |
Inventory |  | 367 |
Deferred tax liability, net |  | (24 | )
Deferred credit |  | (96 | )
Other liabilities, net |  | (9 | )
Total assets acquired, net |  | $ | 13,440 |
Aggregate acquisition date consideration to acquire an entity | The aggregate share acquisition date consideration to acquire the remaining 50% ownership in K-A and the fair value of Amgen’s preacquisition investment consisted of the following (in millions):
|  | Amounts
Total cash paid to Kirin |  | $ | 780 |
Fair value of contingent consideration obligation |  | 45 |
Loss on settlement of preexisting relationship |  | (168 | )
Total consideration transferred to acquire K-A |  | 657 |
Fair value of Amgen’s investment in K-A |  | 825 |
Total acquisition date fair value |  | $ | 1,482 |

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- Definition Tabular disclosure of a material business combination completed during the period, including background, timing, and recognized assets and liabilities. This table does not include leveraged buyouts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1486-128463 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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